requejo@inifta.unlp.edu.ar2023
Evolución y estabilidad en la escala nanométrica: aspectos estructurales y electrónicos: Estudios experimentales in situ mediante absorción y dispersión de rayos X de la síntesis de nanoestructuras de Au Fecha: 27/09/2023LiFePO4 CO-dopado con rGO como material catódico para baterías de ion Li: caracterización xas en condiciones "in operando" Autores:Jori, Khalil Quiroga Argañaraz, María Pía Ortiz, Mariela Rodriguez, Agusto Mizrahi, Martín Daniel Ramallo López, José M. Requejo, Félix Gregorio Visintin, Arnaldo Fecha: 01/01/20232020
Emerging experimental strategies for studies on inhomogeneous nanomaterials: exploring electronics, atomic structure and properties by synchrotron X-ray-based techniques Autores:Requejo, Félix Gregorio Fecha: 01/06/2020Caracterización avanzada para superar los nuevos desafíos en el diseño de las baterías de ion-Li Autores:Giovanetti, Lisandro José Silveira, Andrés Joaquín Goitía, Helen Requejo, Félix Gregorio Díaz, Francisco Javier Fecha: 01/01/20202019
Halloysite nanotube and its firing products: Structural characterization of halloysite, metahalloysite, spinel type silicoaluminate and mullite Autores:Andrini, Leandro Rubén Moreira Toja, Ramiro Julián Conconi, María Susana Requejo, Félix Gregorio Rendtorff Birrer, Nicolás Maximiliano Fecha: 01/07/2019The surface chemistry of near-infrared resonant gold nanotriangles obtained via thiosulfate synthesis Autores:Huergo, María Ana Cristina Giovanetti, Lisandro José Rubert, Aldo Alberto Grillo, Claudia Alejandra Moreno, Mario Sergio Requejo, Félix Gregorio Salvarezza, Roberto Carlos Vericat, Carolina Fecha: 01/01/2019Estabilidad y reactividad de pequeños aglomerados atómicos (AQC): Estrategias de caracterización y aplicaciones en catálisis Fecha: 01/01/2019Structure stability of free copper nanoclusters: FSA-DFT Cubuilding and FDM-XANES study Autores:Andrini, Leandro Rubén Soldano, Germán J. Mariscal, Marcelo M. Requejo, Félix Gregorio Joly, Yves Fecha: 01/01/20192018
Unexpected compositional and structural modification of CoPt<SUB>3</SUB> nanoparticles by extensive surface purification Autores:Mizrahi, Martín Daniel Krylova, Galyna Giovanetti, Lisandro José Ramallo López, José Martín Liu, Yuzi Shevchenko, Elena V. Requejo, Félix Gregorio Fecha: 05/04/20182017
Advances in the study of nano-structured Co/MCM-41 materials: Surface and magnetic characterization Autores:Elías, Verónica R. Cuello, Natalia I. Andrini, Leandro Rubén Requejo, Félix Gregorio Oliva, Marcos I. Eimer, Griselda A. Fecha: 09/09/2017Estudos XAFS em catálise Autores:Requejo, Félix Gregorio Fecha: 01/07/2017New insight into the chemical nature of the plasmonic nanostructures synthesized by the reduction of Au(III) with sulfide species Autores:Huergo, María Ana C. Giovanetti, Lisandro José Moreno, Mario Sergio Jesus Maier, C. M. Requejo, Félix Gregorio Salvarezza, Roberto Carlos Vericat, Carolina Fecha: 01/07/2017Extended and local structural characterization of a natural and 800 °C fired Na-montmorillonite–Patagonian bentonite by XRD and Al/Si XANES Autores:Andrini, Leandro Rubén Moreira Toja, Ramiro Julián Gauna, Matías Roberto Conconi, María Susana Requejo, Félix Gregorio Rendtorff Birrer, Nicolás Maximiliano Fecha: 01/01/2017Advances in the study of nano-structured Co/MCM-41 materials: surface and magnetic characterization Autores:Elías, Verónica Cuello, Natalia Andrini, Leandro Rubén Requejo, Félix Gregorio Oliva, Marcos Eimer, Griselda Fecha: 01/01/2017Understanding and reducing photothermal forces for the fabrication of Au nanoparticle dimers by optical printing Autores:Gargiulo, Julian Brick, Thomas Violi, Ianina L. Herrera, Facundo Carlos Shibanuma, Toshihiko Albella, Pablo Requejo, Félix Gregorio Cortés, Emiliano Maier, Stefan A. Stefani, Fernando D. Fecha: 01/01/2017Inorganically coated colloidal quantum dots in polar solvents using a microemulsion-assisted method Autores:Acebrón, María Herrera, Facundo Carlos Mizrahi, Martín D. Navío, Cristina Gavito, Ramón Bernardo Granados, Daniel Requejo, Félix Gregorio Juarez, Beatriz H. Fecha: 01/01/2017Fluorescent silica nanoparticles with chemically reactive surface: Controlling spatial distribution in one-step synthesis Autores:Vera, María Laura Cánneva, Antonela Huck-Iriart, Cristián Requejo, Félix Gregorio González, Mónica Cristina Dell'Arciprete, María Laura Calvo, Alejandra Fecha: 01/01/20172016
Películas de óxidos de grafeno altamente reducido: diseño, síntesis, caracterización y aplicaciones Autores:Herrera, Facundo C. Ramallo López, José Martín Morales, Gustavo Lacconi, Gabriela Sánchez, Rodolfo D. Busalmen, Juan Pablo López Quintela, Arturo Requejo, Félix Gregorio Fecha: 01/09/2016Extended and local structural description of a kaolinitic clay, its fired ceramics and intermediates: an XRD and XANES analysis Autores:Andrini, Leandro Rubén Gauna, Matías Roberto Conconi, María Susana Suárez, Gustavo Requejo, Félix Gregorio Aglietti, Esteban Fausto Rendtorff Birrer, Nicolás Maximiliano Fecha: 01/01/20162015
In situ study of the endotaxial growth of hexagonal CoSi2 nanoplatelets in Si(001) Autores:Costa, Daniel Da Silva Huck Iriart, Cristian Kellermann, Guinther Giovanetti, Lisandro José Craievich, Aldo F. Requejo, Félix Gregorio Fecha: 01/11/2015Confined gold nanoparticles enhance the detection of small molecules in label-free impedance aptasensors Autores:Peinetti, Ana S. Ceretti, Helena Mizrahi, Martín Daniel González, Graciela A. Ramírez, Silvana A. Requejo, Félix Gregorio Montserrat, Javier M. Battaglini, Fernando Fecha: 01/01/2015Photostability of gold nanoparticles with different shapes: the role of Ag clusters Autores:Attia, Yasser A. Buceta, David Requejo, Félix Gregorio Giovanetti, Lisandro José López-Quintela, M. Arturo Fecha: 01/01/2015Nanoespecies de Co depositadas en silicatos mesoporosos MCM-41 altamente ordenados como prometedores materiales para novedosas aplicaciones: caracterización superficial Autores:Elías, Verónica R. Cuello, Natalia I. Ochoa, Pablo A. Gimenez, Nicolás Andrini, Leandro Rubén Requejo, Félix Gregorio Oliva, Marcos I. Casuscelli, Sandra G. Eimer, Griselda A. Fecha: 01/01/20152014
Nanointegracion: obtención controlada de nanoestructuras de óxido de grafeno reducido interconectadas en áreas macroscópicamente extendidas mediante la técnica de Langmuir Blodgett Autores:Herrera, Facundo C. Ramallo López, José Martín Morales, Gustavo Lacconi, Gabriela Sánchez, Rodolfo D. Lohr, Javier Requejo, Félix Gregorio Fecha: 01/01/20142013
XANES Study of the Radiation Damage on Alkanethiolates-Capped Au Nanoparticles Autores:Ramallo López, José Martín Giovanetti, Lisandro José Visentin, F. C. Requejo, Félix Gregorio Fecha: 01/01/20132012
Semi-analytical modeling of Ag and Au nanoparticles and fullerene (C60) embedded gate oxide compound semiconductor MOSFET memory devices Fecha: 01/12/2012New insights into the chemistry of thiolate-protected palladium nanoparticles Autores:Corthey, Gastón Rubert, Aldo Alberto Picone, Andrea Lorena Casillas, Gilberto Giovanetti, Lisandro José Ramallo López, José Martín Zelaya, Eugenia Benitez, Guillermo Alfredo Requejo, Félix Gregorio Jose Yacaman, Miguel Salvarezza, Roberto Carlos Fonticelli, Mariano Hernán Fecha: 23/04/2012Formation of an extended CoSi₂ thin nanohexagons array coherently buried in silicon single crystal Autores:Kellermann, Guinther Montoro, Luciano A. Giovanetti, Lisandro José Dos Santos Claro, Paula Cecilia Zhang, Liang Ramirez, Antonio J. Requejo, Félix Gregorio Craievich, Aldo F. Fecha: 10/02/20122011
Liquid-phase furfural hydrogenation employing silica-supported PtSn and PtGe catalysts prepared using surface organometallic chemistry on metals techniques Autores:Merlo, Andrea Beatriz Vetere, Virginia Ramallo López, José Martín Requejo, Félix Gregorio Casella, Mónica Laura Fecha: 01/12/2011Lowering the synthesis temperature of Ni<sub>2</sub>P/SiO<sub>2</sub> by palladium addition Autores:Teixeira Da Silva, V. Sousa, L. A. Amorim, R. M. Andrini, Leandro Rubén Figueroa, S. J. A. Requejo, Félix Gregorio Vicentini, Flavio C. Fecha: 12/02/2011‘‘Naked’’ gold nanoparticles supported on HOPG: melanin functionalization and catalytic activity Autores:González Orive, A. Grumelli, Doris Elda Vericat, Carolina Ramallo López, José Martín Giovanetti, Lisandro José Benitez, Guillermo Alfredo Azcárate, Julio César Corthey, Gastón Fonticelli, Mariano Hernán Requejo, Félix Gregorio Hernández Creus, A. Salvarezza, Roberto Carlos Fecha: 01/01/2011Interface and Structural Characterization of Buried CoSi2/Si(001) Nanoplatelets Autores:Montoro, Luciano A. Isaac, A Giovanetti, Lisandro José Requejo, Félix Gregorio Ramirez, Antonio J. Fecha: 01/01/20112010
Synthesis and Characterization of Gold@Gold(I)-Thiomalate Core@Shell Nanoparticles Autores:Corthey, Gastón Giovanetti, Lisandro José Ramallo López, José Martín Zelaya, Eugenia Rubert, Aldo Alberto Benitez, Guillermo Alfredo Requejo, Félix Gregorio Fonticelli, Mariano Hernán Salvarezza, Roberto Carlos Fecha: 01/01/20102009
Electrochemical Preparation and Delivery of Melanin–Iron Covered Gold Nanoparticles Autores:Grumelli, Doris Elda Vericat, Carolina Benitez, Guillermo Alfredo Ramallo López, José Martín Giovanetti, Lisandro José Requejo, Félix Gregorio Moreno, Mario Sergio Jesús González Orive, Alejandro Hernández Creus, Alberto Salvarezza, Roberto Carlos Fecha: 01/01/2009Oxygen Reduction on Iron-Melanin Granular Surfaces Autores:González Orive, Alejandro Hernández Creus, Alberto Grumelli, Doris Elda Benitez, Guillermo Alfredo Andrini, Leandro Rubén Requejo, Félix Gregorio Bonazzola, Cecilia Salvarezza, Roberto Carlos Fecha: 01/01/20092007
Cationic exchange in nanosized ZnFe₂O₄ spinel revealed by experimental and simulated near-edge absorption structure Autores:Stewart, Silvana Jacqueline Figueroa, S. J. A. Ramallo López, José Martín Marchetti, Sergio Gustavo Bengoa, José Fernando Prado, R. J. Requejo, Félix Gregorio Fecha: 13/02/2007Electrocatalytic and Magnetic Properties of Ultrathin Nanostructured Iron–Melanin Films on Au(111) Autores:González Orive, Alejandro Dip, Patricio Gimeno, Yurima Díaz, Pilar Carro, Pilar Hernández Creus, Alberto Benitez, Guillermo Alfredo Schilardi, Patricia Laura Andrini, Leandro Rubén Requejo, Félix Gregorio Salvarezza, Roberto Carlos Fecha: 01/01/20072006
Molecular conformation changes in alkylthiol ligands as a function of size in gold nanoparticles: X-ray absorption studies Autores:Ramallo López, José Martín Giovanetti, Lisandro José Requejo, Félix Gregorio Isaacs, Steven R. Shon, Young-Seok Salmeron, Miquel Fecha: 23/08/20062000
Combined TDPAC and EXAFS Study of InPt/FER Catalysts Autores:Ramallo López, José Martín Requejo, Félix Gregorio Bibiloni, Aníbal Guillermo Rentería, Mario Gutierrez, Laura Beatriz Miro, Eduardo Ernesto Fecha: 01/01/2000PAC identification of electric-nuclear-quadrupole interactions in Sm-sesquioxides Autores:Rentería, Mario Errico, Leonardo Antonio Bibiloni, Aníbal Guillermo Freitag, K. Requejo, Félix Gregorio Fecha: 01/01/20001998
Caracterización de zeolitas ZSM5 con In mediante el empleo de la técnica de correlaciones angulares perturbadas Fecha: 01/01/19981995
Dependencia con la temperatura del gradiente de campo eléctrico en “bixbitas” usando ¹⁸¹Hf como sonda Autores:Rentería, Mario Bibiloni, Aníbal Guillermo Pasquevich, Alberto Felipe Requejo, Félix Gregorio Shitu, Jorge Alejandro Freitag, K. Fecha: 01/01/1995Estudio CAP de Espinelas Autores:Shitu, Jorge Alejandro Errico, Leonardo Antonio Ramallo López, José Martín Bibiloni, Aníbal Guillermo Pasquevich, Alberto Felipe Rentería, Mario Requejo, Félix Gregorio Fecha: 01/01/19951993
Interacciones hiperfinas en sistemas catalíticos: aplicabilidad de la técnica de las correlaciones angulares perturbadas diferenciales en el tiempo al campo de la catálisis Autores:Requejo, Félix Gregorio Fecha: 01/01/1993Caracterización y preparación de catalizadores de Mo0₃/Ti0₂/Al₂0₃ Fecha: 01/01/1993Estudio TDPAC sobre CEO₂ mediante las sondas ¹¹¹IN y ¹⁸¹HF Autores:Requejo, Félix Gregorio Massolo, Claudia Patricia Bibiloni, Aníbal Guillermo Shitu, Jorge Alejandro Rentería, Mario Freitag, K. Fecha: 01/01/19931992
Gradiente de campo eléctrico en impurezas ubicadas en sitios catiónicos de sesquióxidos con estructura bixbita Autores:Requejo, Félix Gregorio Bibiloni, Aníbal Guillermo Pasquevich, Alberto Felipe Rentería, Mario Shitu, Jorge Alejandro Fecha: 01/01/19921991
TDPAC characterization of tin oxides using <SUP>181</SUP>Ta Autores:Moreno, Mario Sergio Jesús Desimoni, Judith Requejo, Félix Gregorio Rentería, Mario Bibiloni, Aníbal Guillermo Freitag, K. Fecha: 01/01/19911990
Vacancias de oxigeno en trioxido de molibdeno estudiadas mediante el empleo de una tecnica hiperfina Vacancias de oxigeno en trioxido de molibdeno estudiadas mediante el empleo de una tecnica hiperfinaFecha: 01/01/1990
No se encontraron resultados.
2025
Room temperature aerobic oxidation of thiophenes catalyzed by silver 5-atoms clusters Autores:Jori, Khalil Mizrahi, Martin Daniel Giovanetti, Lisandro Jose Ramallo Lopez, Jose Martin Buceta, D. Arias, I.R. Blanco Trillo, J. M. Lopez Quintela, M. A. Requejo, Felix Gregorio Fecha: 01/04/2025Enhancement of LiFePO4 cathodic material through incorporation of reduced graphene oxide via a simple two-step procedure Autores:Quiroga Argañaraz, María Pía Jori, Khalil Ramallo Lopez, Jose Martin Visintin, Arnaldo Requejo, Felix Gregorio Ortiz, Mariela Gisela Fecha: 01/01/20252023
Stability and Reversible Oxidation of Sub-Nanometric Cu5 Metal Clusters: Integrated Experimental Study and Theoretical Modeling Autores:Buceta, David Huseyinova, Shahana Cuerva, Miguel Lozano, Héctor Giovanetti, Lisandro Jose Ramallo Lopez, Jose Martin López Caballero, Patricia Zanchet, Alexandre Mitrushchenkov, Alexander O. Hauser, Andreas W. Barone, Giampaolo Huck Iriart, Cristián Escudero, Carlos Hernández Garrido, Juan Carlos Calvino, José Juan López Haro, Miguel de Lara Castells, María Pilar Requejo, Felix Gregorio López Quintela, Arturo Fecha: 01/09/2023Electrochemical Fine-Tuning of the Chemoresponsiveness of Langmuir-Blodgett Graphene Oxide Films Autores:Devida, Juan Marcelo Herrera, Facundo Carlos Daza Millone, Maria Antonieta Requejo, Felix Gregorio Pallarola, Diego Andres Fecha: 01/07/2023Synthesis of photocatalytic cysteine-capped Cu≈10 clusters using Cu5 clusters as catalysts Autores:Huseyinova, Shahana Blanco Trillo, José M. Ramallo Lopez, Jose Martin Requejo, Felix Gregorio Buceta, David López Quintela, Arturo Fecha: 01/02/2023Stochastic approaches: modeling the probability of encounters between H-molecules and metallic atomic clusters in a cubic box Autores:Riddick, Maximiliano Luis Andrini, Leandro Ruben Alvarez, Enrique Ernesto Requejo, Felix Gregorio Fecha: 01/01/20232022
Controlling the local-ensemble structure in mesoporous hybrid titania-silica thin films containing aminopropyl groups Autores:Calvo, Alejandra Andrini, Leandro Ruben Williams, Federico José Ramallo Lopez, Jose Martin Soler Illia, Galo Juan de Avila Arturo Requejo, Felix Gregorio Fecha: 01/04/2022Highly oriented NiSi2@Si thin-nanocomposite produced by solid state diffusion: Morphological and crystallographic characterization Autores:da Silva Costa, Daniel Kellermann, Guinther Craievich, Aldo Felix Montoro, Luciano A. Oliveira, Camilla K. B. Q. M. Afonso, Conrado R.M. Huck Iriart, Cristián Giovanetti, Lisandro Jose Requejo, Felix Gregorio Zanella, Igor G. Mazzaro, Irineu Szameitat, Erico S. Cardoso, Rodrigo P. Fecha: 01/04/2022Silver Clusters of Five Atoms as Highly Selective Antitumoral Agents Through Irreversible Oxidation of Thiols Autores:Porto, Vanesa Buceta, David Domínguez, Blanca Carneiro, Carmen Borrajo, Erea Fraile, María Davila Ferreira, Nerea Arias, Iria R. Blanco, José M. Blanco, Maria C. Devida, Juan Marcelo Giovanetti, Lisandro Jose Requejo, Felix Gregorio Hernández Garrido, Juan C. Calvino, José J. López Haro, Miguel Barone, Giampaolo James, Andrew M. García Caballero, Tomás González Castaño, Diego M. Treder, Martin Huber, Wolfgang Vidal, Anxo Murphy, Michael P. López Quintela, M. Arturo Domínguez, Fernando Fecha: 01/03/20222021
In situ study of the process of formation of hexagonal NiSi2 nanoplates and spherical Ni nanoparticles embedded in a Si(001) wafer covered by a Ni-doped SiO2 thin film Autores:da Silva Costa, Daniel Kellermann, Guinther Craievich, Aldo Felix Giovanetti, Lisandro Jose Huck Iriart, Cristián Requejo, Felix Gregorio Fecha: 01/10/2021Caracterización avanzada para superar los nuevos desafíos en el diseño de las baterías de ion-Li Fecha: 01/01/20212020
Unveiling the Occurrence of Co(III) in NiCo Layered Electroactive Hydroxides: The Role of Distorted Environments Autores:Hunt, Diego Oestreicher, Víctor Santiago Jesús Mizrahi, Martin Daniel Requejo, Felix Gregorio Jobbagy, Matias Fecha: 01/07/2020Emerging experimental strategies for studies on inhomogeneous nanomaterials: Exploring electronics, atomic structure and properties by synchrotron X-Ray-based techniques Autores:Requejo, Felix Gregorio Fecha: 12/06/2020Exploring the properties of Ag5-TiO2 interfaces: Stable surface polaron formation, UV-Vis optical response, and CO2 photoactivation Autores:López Caballero, Patricia Ramallo Lopez, Jose Martin Giovanetti, Lisandro Jose Buceta, David Miret Artés, Salvador López Quintela, Arturo M. Requejo, Felix Gregorio de Lara Castells, María Pilar Fecha: 04/03/20202019
Role of Intrinsic Atomic Features and Bonding Motifs from the Surface to the Deep Core on Multistate Emissive Properties of N,B-Codoped Carbon Dots Autores:Pschunder, Fernando Huergo, María Ana Cristina Ramallo Lopez, Jose Martin Kommula, Bramhaiah Requejo, Felix Gregorio Bhattacharyya, Santanu Fecha: 01/12/2019Structure stability of free copper nanoclusters: FSA-DFT Cu-building and FDM-XANES study Autores:Andrini, Leandro Ruben Soldano, Germán Mariscal, Marcelo Requejo, Felix Gregorio Joly, Yves Fecha: 01/08/2019Halloysite nanotube and its firing products: Structural characterization of halloysite, metahalloysite, spinel type silicoaluminate and mullite Autores:Andrini, Leandro Ruben Moreira Toja, Ramiro Julián Conconi, María Susana Requejo, Felix Gregorio Rendtorff Birrer, Nicolás Maximiliano Fecha: 01/07/2019Synthesis and characterization of Ag 2 S and Ag 2 S/Ag 2 (S,Se) NIR nanocrystals Autores:Ruiz, Diego Mizrahi, Martin Daniel Santos, Harrisson D. A. Jaque García, Daniel Jones, Callum M. S. Marqués Hueso, José Jacinto, Carlos Requejo, Felix Gregorio Torres Pardo, Almudena González Calbet, José Juárez Hernández, Beatriz Fecha: 01/05/2019Iron-based nanoparticles prepared from yerba mate extract. Synthesis, characterization and use on chromium removal Autores:García, Fabiana Elena Senn, Alejandro Marcelo Meichtry, Jorge Martin Scott, Thomas B. Pullin, Huw Leyva, Ana G. Halac, Emilia Beatriz Ramos, Cinthia Paula Sacanell, Joaquín Mizrahi, Martin Daniel Requejo, Felix Gregorio Litter, Marta Irene Fecha: 01/04/2019Increasing the optical response of TiO2 and extending it into the visible region through surface activation with highly stable Cu5 clusters Autores:de Lara Castells, María Pilar Hauser, Andreas W. Ramallo Lopez, Jose Martin Buceta, David Giovanetti, Lisandro Jose López Quintela, Arturo Requejo, Felix Gregorio Fecha: 01/02/2019The surface chemistry of near-infrared resonant gold nanotriangles obtained via thiosulfate synthesis Autores:Huergo, María Ana Cristina Giovanetti, Lisandro Jose Rubert, Aldo Alberto Grillo, Claudia Alejandra Moreno, Mario Sergio Jesus Requejo, Felix Gregorio Salvarezza, Roberto Carlos Vericat, Carolina Fecha: 01/01/20192018
New Insights into the Growth Mechanism of Ultrathin Au Nanowires from Combined in Situ EXAFS and SAXS Studies Autores:Pschunder, Fernando Puig, Julieta Giovanetti, Lisandro Jose Huck Iriart, Cristián Requejo, Felix Gregorio Buceta, David Hoppe, Cristina Elena Ramallo Lopez, Jose Martin Fecha: 01/12/2018Unexpected Optical Blue Shift in Large Colloidal Quantum Dots by Anionic Migration and Exchange Autores:Acebrón, María Galisteo López, Juan F. López, Cefe Herrera, Facundo Carlos Mizrahi, Martin Daniel Requejo, Felix Gregorio Palomares, F. Javier Juárez, Beatriz H. Fecha: 01/06/2018Characterization and electrochemical response of DNA functionalized 2 nm gold nanoparticles confined in a nanochannel array Autores:Peinetti, Ana Sol Ceretti, Helena Margarita Mizrahi, Martin Daniel González, Graciela Alicia Ramírez, Silvana Andrea María Requejo, Felix Gregorio Montserrat, Javier Marcelo Battaglini, Fernando Fecha: 01/06/2018Synthesis of nickel entities: From highly stable zerovalent nanoclusters to nanowires. Growth control and catalytic behavior Autores:Peinetti, Ana Sol Mizrahi, Martin Daniel Requejo, Felix Gregorio Buceta, David Lopez Quintela, Manuel Arturo González, Graciela Alicia Battaglini, Fernando Fecha: 01/04/2018Unexpected compositional and structural modification of CoPt3 nanoparticles by extensive surface purification Autores:Mizrahi, Martin Daniel Krylova, Galyna Giovanetti, Lisandro Jose Ramallo Lopez, Jose Martin Liu, Yuzi Shevchenko, Elena V. Requejo, Felix Gregorio Fecha: 01/04/20182017
Advances in the study of nano-structured Co/MCM-41 materials: surface and magnetic characterization Autores:Elías, Verónica Rita Cuello, Natalia Inés Andrini, Leandro Ruben Requejo, Felix Gregorio Oliva, Marcos Iván Eimer, Griselda Alejandra Fecha: 01/09/2017Understanding and Reducing Photothermal Forces for the Fabrication of Au Nanoparticle Dimers by Optical Printing Autores:Gargiulo, Julian Brick, Thomas Violi, Ianina Lucila Herrera, Facundo Carlos Shibanuma, Toshihiko Albella, Pablo Requejo, Felix Gregorio Cortés, Emiliano Maier, Stefan A. Stefani, Fernando Daniel Fecha: 01/09/2017Estudos XAFS em catálise Autores:Requejo, Felix Gregorio Fecha: 01/07/2017New Insight into the Chemical Nature of the Plasmonic Nanostructures Synthesized by the Reduction of Au(III) with Sulfide Species Autores:Huergo, María Ana Cristina Giovanetti, Lisandro Jose Moreno, Mario Sergio Jesus Maier, C. M. Requejo, Felix Gregorio Salvarezza, Roberto Carlos Vericat, Carolina Fecha: 01/07/2017Fluorescent silica nanoparticles with chemically reactive surface: Controlling spatial distribution in one-step synthesis Autores:Vera, Maria Laura Canneva, Antonela Huck Iriart, Cristián Requejo, Felix Gregorio Gonzalez, Monica Cristina Dell'arciprete, Maria Laura Calvo, Alejandra Fecha: 01/06/2017Extended and local structural characterization of a natural and 800 °C fired Na-montmorillonite–Patagonian bentonite by XRD and Al/Si XANES Autores:Andrini, Leandro Ruben Moreira Toja, Ramiro Julián Gauna, Matias Roberto Conconi, María Susana Requejo, Felix Gregorio Rendtorff Birrer, Nicolás Maximiliano Fecha: 01/03/20172016
Inorganically coated colloidal quantum dots in polar solvents using a microemulsion-assisted method Autores:Acebrón, María Herrera, Facundo Carlos Mizrahi, Martin Daniel Navío, Cristina Bernardo Gavito, Ramón Granados, Daniel Requejo, Felix Gregorio Juarez, Beatriz H. Fecha: 01/12/2016Synthesis of stable monodisperse AuPd, AuPt, and PdPt bimetallic clusters encapsulated within LTA-zeolites Autores:Otto, Trenton Ramallo Lopez, Jose Martin Giovanetti, Lisandro Jose Requejo, Felix Gregorio Zones, Stacey I. Iglesias Martínez, Miguel Enrique Fecha: 01/10/2016Synthesis of Highly Stable Surfactant-free Cu5 Clusters in Water Autores:Huseyinova, Shahana Blanco, José Requejo, Felix Gregorio Ramallo Lopez, Jose Martin Blanco, María del Carmen Buceta, David López Quintela, M. Arturo Fecha: 01/07/2016Numerical Simulation of the Diffusion Processes in Nanoelectrode Arrays Using an Axial Neighbor Symmetry Approximation Autores:Peinetti, Ana Sol Gilardoni, Rodrigo S. Mizrahi, Martin Daniel Requejo, Felix Gregorio González, Graciela Alicia Battaglini, Fernando Fecha: 01/06/2016Oxidation Induced Doping of Nanoparticles Revealed by in Situ X-ray Absorption Studies Autores:Kwon, Soon Gu Chattopadhyay, Soma Koo, Bonil Dos Santos Claro, Paula Cecilia Shibata, Tomohiro Requejo, Felix Gregorio Giovanetti, Lisandro Jose Liu, Yuzi Johnson, Christopher Prakapenka, Vitali Lee, Byeongdu Shevchenko, Elena V. Fecha: 01/05/2016Extended and local structural description of a kaolinitic clay, its fired ceramics and intermediates: An XRD and XANES analysis Autores:Andrini, Leandro Ruben Gauna, Matias Roberto Conconi, María Susana Suarez, Gustavo Requejo, Felix Gregorio Aglietti, Esteban Fausto Rendtorff Birrer, Nicolás Maximiliano Fecha: 01/05/2016Removal of Uranium (VI) with Iron Nanoparticles Autores:Crespi, Julieta Quici, Natalia Halac, Emilia Beatriz Leyva de Guglielmino, Ana Gabriela Ramos, Cinthia Paula Mizrahi, Martin Daniel Requejo, Felix Gregorio Litter, Marta Irene Fecha: 01/03/2016Understanding Zr and Si interdispersion in Zr1-xSixO2 mesoporous thin films by using FTIR and XANES spectroscopy Autores:Andrini, Leandro Ruben Angelome, Paula Cecilia Soler Illia, Galo Juan de Avila Arturo Requejo, Felix Gregorio Fecha: 01/03/20162015
In situ study of the endotaxial growth of hexagonal CoSi2 nanoplatelets in Si(001) Autores:Costa, Daniel Da Silva Huck Iriart, Cristián Kellermann, Guinther Giovanetti, Lisandro Jose Craievich, Aldo F. Requejo, Felix Gregorio Fecha: 01/11/2015Local and Extended-Order Evolution of Synthetic Talc during Hydrothermal Synthesis: Extended X-ray Absorption Fine Structure, X-ray Diffraction, and Fourier Transform Infrared Spectroscopy Studies Fecha: 01/10/2015Photostability of gold nanoparticles with different shapes: the role of Ag clusters Autores:Attia, Yasser A. Buceta, David Requejo, Felix Gregorio Giovanetti, Lisandro Jose López Quintela, M. Arturo Fecha: 01/07/2015Synthesis of water-soluble gold clusters in nanosomes displaying robust photoluminescence with very large Stokes shift Autores:Santiago González, B. Vázquez Vázquez, C. Blanco Varela, M. C. Gaspar Martinho, J. M. Ramallo Lopez, Jose Martin Requejo, Felix Gregorio López Quintela, M. A. Fecha: 01/06/2015Ag2 and Ag3 Clusters: Synthesis, Characterization, and Interaction with DNA Autores:Buceta, David Busto, Natalia Barone, Giampaolo Leal, José M. Domínguez, Fernando Giovanetti, Lisandro Jose Requejo, Felix Gregorio García, Begoña López-Quintela, M. Arturo Fecha: 01/05/2015Confined Gold Nanoparticles Enhance the Detection of Small Molecules in Label-Free Impedance Aptasensors Autores:Peinetti, Ana Sol Ceretti, Helena Mizrahi, Martin Daniel González, Graciela Alicia Ramirez, Silvana Andrea Maria Requejo, Felix Gregorio Montserrat, Javier Marcelo Battaglini, Fernando Fecha: 19/03/2015Real-time monitoring distance changes in surfactant-coated Au nanoparticle films upon volatile organic compounds (VOCs) Autores:Dalfovo, Maria Celeste Giovanetti, Lisandro Jose Ramallo Lopez, Jose Martin Salvarezza, Roberto Carlos Requejo, Felix Gregorio Ibañez, Francisco Javier Fecha: 01/03/2015Synthesis of ultra-small cysteine-capped gold nanoparticles by pH switching of the Au(I)-cysteine polymer Autores:Cappellari, Paula Sofía Buceta, David Morales, Gustavo Marcelo Barbero, César Alfredo Moreno, Mario Sergio Jesus Giovanetti, Lisandro Jose Ramallo Lopez, Jose Martin Requejo, Felix Gregorio Craievich, Aldo F. Planes, Gabriel Angel Fecha: 01/03/2015Nanointegracion: obtención controlada de nanoestructuras de oxido de Grafeno reducido interconectadas en áreas macroscopicamente extendidas mediante la técnica de Langmuir Blodgett Autores:Herrera, Facundo Carlos Ramallo Lopez, Jose Martin Morales, Gustavo Marcelo Lacconi, Gabriela Ines Sanchez, Rodolfo Daniel Lohr, Javier Hernán Requejo, Felix Gregorio Fecha: 01/02/2015Controlled growth of extended arrays of CoSi2 hexagonal nanoplatelets buried in Si(001), Si(011) and Si(111) wafers Autores:Kellermann, G. Montoro, L. A. Giovanetti, Lisandro Jose Dos Santos Claro, Paula Cecilia Zhang, L. Ramírez, A. J. Requejo, Felix Gregorio Craievich, A. F. Fecha: 01/01/20152014
Influence of the hydration by the environmental humidity on the metallic speciation and the photocatalytic activity of Cr/MCM-41 Autores:Elías, Verónica Rita Sabre, Ema V. Winkler, Elin Lilian Andrini, Leandro Ruben Requejo, Felix Gregorio Casuscelli, Sandra Graciela Eimer, Griselda Alejandra Fecha: 01/03/2014Reduction of pentavalent and trivalent arsenic by TiO2- photocatalysis: an innovative way for arsenic removal Autores:Litter, Marta Irene Levy, Ivana Karina Quici, Natalia Mizrahi, Martin Daniel Ruano Sandoval, Gustavo Daniel Zampieri, Guillermo Enrique Requejo, Felix Gregorio Fecha: 01/01/20142013
Self-assembly of PBzMA-b-PDMAEMA diblock copolymer films at the air/water interface and deposition on solid substrates via Langmuir-Blodgett transfer Autores:Dos Santos Claro, Paula Cecilia Coustet, Marcos Eduardo Diaz, Carolina Maza, Eliana María Cortizo, Maria Susana Requejo, Felix Gregorio Pietrasanta, Lia Ceolin, Marcelo Raul Azzaroni, Omar Fecha: 01/10/2013XANES Study Of The Radiation Damage On Alkanethiolates-Capped Au Nanoparticles Autores:Ramallo Lopez, Jose Martin Giovanetti, Lisandro Jose Visentin, F. C. Requejo, Felix Gregorio Fecha: 01/01/20132012
Semi-analytical modeling of Ag and Au nanoparticles and fullerene (C60) embedded gate oxide compound semiconductor MOSFET memory devices Fecha: 01/12/2012Aminopropyl-modified mesoporous silica SBA-15 as recovery agents of Cu(II)-sulfate solutions: Adsorption efficiency, functional stability and reusability aspects Autores:Lombardo, Maria Veronica Videla, Mariela Calvo, Alejandra Requejo, Felix Gregorio Soler Illia, Galo Juan de Avila Arturo Fecha: 01/07/2012New insights into the chemistry of thiolate-protected palladium nanoparticles Autores:Corthey, Gastón Rubert, Aldo Alberto Picone, Andrea Lorena Amaya, Edgar Gilberto Giovanetti, Lisandro Jose Ramallo Lopez, Jose Martin Zelaya, Maria Eugenia Benitez, Guillermo Alfredo Requejo, Felix Gregorio Yacamán, Miguel Jose Salvarezza, Roberto Carlos Fonticelli, Mariano Hernan Fecha: 01/04/20123CaH 2 + 4MgB 2 + CaF 2 reactive hydride composite as a potential hydrogen storage material: Hydrogenation and dehydrogenation pathway Autores:Suarez Alcantara, K. Ramallo Lopez, Jose Martin Boesenberg, U. Saldan, I. Pistidda, C. Requejo, Felix Gregorio Jensen, T. Cerenius, Y. Sørby, M. Avila, J. Bellosta von Colbe, J. Taube, K. Klassen, Thomas Dornheim, M. Fecha: 16/03/2012Study of nucleation and growth mechanism of the metallic nanodumbbells Autores:Krylova, Galyna Giovanetti, Lisandro Jose Requejo, Felix Gregorio Dimitrijevic, Nada M. Prakapenka, Alesia Shevchenko, Elena V. Fecha: 14/03/2012Formation of an extended CoSi2 thin nanohexagons array coherently buried in silicon single crystal Autores:Kellermann, Guinther Montoro, Luciano A. Giovanetti, Lisandro Jose Dos Santos Claro, Paula Cecilia Zhang, Liang Ramirez, Antonio J. Requejo, Felix Gregorio Craievich, Aldo F. Fecha: 01/02/2012TiO 2-photocatalytic reduction of pentavalent and trivalent arsenic: Production of elemental arsenic and arsine Autores:Levy, Ivana Karina Mizrahi, Martin Daniel Ruano, Gustavo Zampieri, Guillermo Enrique Requejo, Felix Gregorio Litter, Marta Irene Fecha: 01/01/2012Shape Changes of Pt Nanoparticles Induced by Deposition on Mesoporous Silica Autores:Giovanetti, Lisandro Jose Ramallo Lopez, Jose Martin Foxe, Michael Jones, Louis C. Koebel, Matthias M. Somorjai, Gabor A. Craievich, Aldo F. Salmeron, Miquel B. Requejo, Felix Gregorio Fecha: 01/01/20122011
Liquid-phase furfural hydrogenation employing silica-supported PtSn and PtGe catalysts prepared using surface organometallic chemistry on metals techniques Autores:Merlo, Andrea Beatriz Vetere, Virginia Ramallo Lopez, Jose Martin Requejo, Felix Gregorio Casella, Mónica Laura Fecha: 01/09/2011Comparative study of CNT, silicon nanowire and fullerene embedded multilayer high-k gate dielectric MOS memory devices Fecha: 01/08/2011XANES-PCA analysis of Ti-species in MCM-41 mesoporous silica synthesized by different method Autores:Anunziata, Oscar Alfredo Beltramone, Andrea Raquel Martinez, Maria Laura Giovanetti, Lisandro Jose Requejo, Felix Gregorio Lede, Eduardo Javier Fecha: 01/01/20112010
Synthesis and characterization of gold@gold(I)-thiomalate core@shell nanoparticles Autores:Corthey, Gastón Giovanetti, Lisandro Jose Ramallo Lopez, Jose Martin Zelaya, Maria Eugenia Rubert, Aldo Alberto Benitez, Guillermo Alfredo Requejo, Felix Gregorio Fonticelli, Mariano Hernan Salvarezza, Roberto Carlos Fecha: 01/06/20102005
DXAS study of Pt-Sn supported catalysts during in-situ reduction treatments Autores:Ramallo Lopez, Jose Martin Santori, Gerardo Fabian Casella, Mónica Laura Siri, Guillermo Jorge Requejo, Felix Gregorio Ferretti, Osmar Alberto Fecha: 01/12/2005XANES study of electronic and structural nature of Mn-sites in manganese oxides with catalytic properties Autores:Figueroa, Santiago Jose Alejandro Requejo, Felix Gregorio Lede, Eduardo Javier Lamaita, Luciano Peluso, Miguel Andrés Sambeth, Jorge Enrique Fecha: 01/10/2005XPS and EXAFS study of supported PtSn catalysts obtained by surface organometallic chemistry on metals: Application to the isobutane dehydrogenation Autores:Siri, Guillermo Jorge Ramallo Lopez, Jose Martin Casella, Mónica Laura García Fierro, José Luis Requejo, Felix Gregorio Ferretti, Osmar Alberto Fecha: 10/01/20052003
Fourier Transform IR Study of NO + CH 4 + O 2 Coadsorption on In-ZSM-5 DeNO x Catalyst Autores:Requejo, Felix Gregorio Pierella, Liliana Beatriz Beltramone, Andrea Raquel Anunziata, Oscar Alfredo Fecha: 01/07/2003
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