Publications
Our recent work
Member of the Surface Science Advisory Editorial Board

2022

Elmar Kataev, Lukas Fromm, Quratulain Tariq, Daniel Wechsler, Federico Williams, Natalyia Tsud, Stefano Franchi, Hans-Peter Steinrueck, Andreas Goerling, Ole Lytken, Ole. Anchoring of phthalic acid on MgO(100). Surface Science, 720, 122007, 2022. DOI 

Julia Koebl, Cynthia Fernandez, Lisa-Marie Augustin, Elmar Kataev, Stefano Franchi, Natalyia Tsud, Carolina Pistonesi, Estela Pronsato, Norbert Jux, Ole Lytken, Federico Williams, Hans-Peter Steinrueck. Benzohydroxamic acid on rutile TiO2(110)-(1x1)–a comparison of ultrahigh-vacuum evaporation with deposition from solution. Surface Science, 716, 121955, 2022. DOI 

Alexander Wolfram, Quratulain Tariq, Cynthia Fernandez, Maximilian Muth, Martin Gurrath, Daniel Wechsler, Matthias Franke, Federico Williams, Hans-Peter Steinrueck, Bernd Meyer, Ole Lytken. Adsorption energies of porphyrins on MgO(100): An experimental benchmark for dispersion-corrected density-functional theory. Surface Science, 717, 121979, 2022. DOI 

Cynthia Fernandez, Daniel Wechsler, Ole Lytken, Hans-Peter Steinrueck, Federico Williams. Self-metalation of monophosphonic acid tetraphenylporphyrin on TiO2(110)-(1x1). Surface Science, 717, 122005, 2022. DOI 

Alejandra Calvo, Leandro Andrini, Federico Williams, Jose Ramallo-Lopez, Galo Soler-Illia, Felix Requejo. Controlling the local-ensemble structure in mesoporous hybrid titania-silica thin films containing aminopropyl groups. Journal of Sol-Gel Science and Technology, 102, 172, 2022. DOI 

Liliana Maldonado, Santiago Herrera, Federico Williams, Mario Tagliazucchi. Thickness Fluctuations Produce Apparent Long-Range Tunneling in Large-Area Junctions: The Case of Polyelectrolyte Multilayers. Journal of Physical Chemistry C, 126, 9956, 2022. DOI 

Alvaro Tesio, Walter Torres, Matias Villalba, Federico Davia, and Maria del Pozo, Daniel Córdoba, Federico Williams, Ernesto Calvo. Role of Superoxide and Singlet Oxygen on the Oxygen Reduction Pathways in Li-O2 Cathodes at Different Li+ Ion Concentration. ChemElectroChem, 24, e202201037, 2022. DOI 


2021

Federico G. Davia, Cynthia C. Fernández, Federico J. Williams, Ernesto J. Calvo. Effect of porosity and active area on the assessment of catalytic activity of non-precious metal electrocatalyst for oxygen reduction. Journal of Physics Condensed Matter, 33, 324001, 2021. DOI 

Daniel Wechsler, Priscila Vensaus, Nataliya Tsud, Hans‐Peter Steinrück, Ole Lytken and Federico J. Williams. Surface Reactions and Electronic Structure of Carboxylic Acid Porphyrins Adsorbed on TiO2(110). Journal of Physical Chemistry C, 125, 6708-6715, 2021. DOI 

Cynthia C. Fernández, Matthias Franke, Hans‐Peter Steinrück, Ole Lytken and Federico J. Williams. Demetalation of Surface Porphyrins at the Solid-Liquid Interface. Langmuir, 37, 852-857, 2021. DOI 

Daniel Wechsler, Cynthia C. Fernández, Julia Köbl, Lisa-Marie Augustin, Corinna Stumm, Norbert Jux, Hans‐Peter Steinrück, Federico J. Williams and Ole Lytken. Wet-Chemically Prepared Porphyrin Layers on Rutile TiO2(110). Molecules, 26, 2871, 2021. DOI 

Alejandra Calvo, Leandro Andrini, Federico J. Williams, José López-Ramallo, Galo Soler-Illia and Félix Requejo. Controlling the local-ensemble structure in mesoporous hybrid titania-silica thin films containing aminopropyl groups. Journal of Sol-Gel Science and Technology, 2021. DOI 


2020

Federico G. Davia, Nicolas P. Johner, Ernesto J. Calvo, Federico J. Williams. Growth and electrochemical stability of a layer by layer thin film containing tetrasulfonated Fe phthalocyanine. Journal of Electroanalytical Chemistry, 877, 114485, 2020. DOI 

Julia Köbl, Daniel Wechsler, Elmar Y. Kataev, Federico J. Williams, Nataliya Tsud, Stefano Franchi, Hans‐Peter Steinrück, and Ole Lytken. Adsorption of phenylphosphonic acid on rutile TiO2(110). Surface Science, 698, 121612, 2020. DOI 

Elmar Y. Kataev, Daniel Wechsler, Federico J. Williams, Julia Köbl, Nataliya Tsud, Stefano Franchi, Hans‐Peter Steinrück, Ole Lytken. Probing the Roughness of Porphyrin Thin Films with X-ray Photoelectron Spectroscopy. ChemPhysChem, 21, 2293-2300, 2020. DOI 


2019

Francesco Greco, Sunghwan Shin, Federico J. Williams, Bettina S. J. Heller, Florian Maier, and Hans‐Peter Steinrück. Potential Screening at Electrode/Ionic Liquid Interfaces from In Situ X-ray Photoelectron Spectroscopy. ChemistryOpen, pages 1365-1368, 2019. DOI 

Daniel Wechsler, Cynthia C. Fernández, Quratulain Tariq, Nataliya Tsud, Kevin C. Prince, Federico J. Williams, Hans‐Peter Steinrück, and Ole Lytken. Interfacial Reactions of Tetraphenylporphyrin with Cobalt-Oxide Thin Films. Chemistry – A European Journal, 25:13197-13201, 2019. DOI 

Cynthia C. Fernández, Daniel Wechsler, Tulio C.R. Rocha, Hans-Peter Steinrück, Ole Lytken, and Federico J. Williams. Adsorption geometry of carboxylic acid functionalized porphyrin molecules on TiO2(110). Surface Science, 689:121462, 2019. DOI 

Santiago E. Herrera, Federico G. Davia, Federico J. Williams, and Ernesto J. Calvo. Metal Nanoparticle Enhancement of Electron Transfer to Tethered Redox Centers through Self-Assembled Molecular Films. Langmuir, 35:6297-6303, 2019. DOI 

Cynthia C. Fernández, Daniel Wechsler, Tulio C. R. Rocha, Hans-Peter Steinrück, Ole Lytken, and Federico J. Williams. Adsorption of Phosphonic-Acid-Functionalized Porphyrin Molecules on TiO2(110). The Journal of Physical Chemistry C, 123:10974--10980, 2019. DOI 


2018

Florencia Marchini, Federico J. Williams, and Ernesto J. Calvo. Sustainable Selective Extraction of Lithium Chloride from Natural Brine Using a Li1-xMn2O4 Ion Pump. Journal of The Electrochemical Society, 165:A3292--A3298, 2018. DOI 

Cynthia C. Fernández, Evangelina Pensa, Pilar Carro, Roberto Salvarezza, and Federico J. Williams. Electronic Structure of a Self-Assembled Monolayer with Two Surface Anchors: 6-Mercaptopurine on Au(111). Langmuir, 34:5696--5702, 2018. DOI 

Santiago Herrera, Federico Tasca, Federico Jose Williams, and Ernesto Julio Calvo. Adsorption of 4,4′-Dithiodipyridine Axially Coordinated to Iron(II) Phthalocyanine on Au(111) as a New Strategy for Oxygen Reduction Electrocatalysis. ChemPhysChem, 19:1599--1604, 2018. DOI 

Florencia Marchini, Ernesto J. Calvo, and Federico J. Williams. Effect of the electrode potential on the surface composition and crystal structure of LiMn2O4 in aqueous solutions. Electrochimica Acta, 269:706--713, 2018. DOI 

Daniel Wechsler, Cynthia C. Fernández, Hans-Peter Steinrück, Ole Lytken, and Federico J. Williams. Covalent Anchoring and Interfacial Reactions of Adsorbed Porphyrins on Rutile TiO2(110). The Journal of Physical Chemistry C, 122:4480--4487, 2018. DOI 

Florencia Marchini, Federico J. Williams, and Ernesto J. Calvo. Electrochemical impedance spectroscopy study of the LixMn2O4 interface with natural brine. Journal of Electroanalytical Chemistry, 819:428--434, 2018. DOI 


2017

Cynthia C. Fernández, Cecilia Spedalieri, Daniel H. Murgida, and Federico J. Williams. Surface Influence on the Metalation of Porphyrins at the Solid–Liquid Interface. The Journal of Physical Chemistry C, 121:21324--21332, 2017. DOI 

Santiago Herrera, Federico Tasca, Federico J. Williams, Ernesto J. Calvo, Pilar Carro, and Roberto C. Salvarezza. Surface Structure of 4-Mercaptopyridine on Au(111): A New Dense Phase. Langmuir, 33:9565--9572, 2017. DOI 

Nataliia Mozhzhukhina, Florencia Marchini, Walter R. Torres, Alvaro Y. Tesio, Lucila P. Mendez De Leo, Federico J. Williams, and Ernesto J. Calvo. Insights into dimethyl sulfoxide decomposition in Li-O2 battery: Understanding carbon dioxide evolution. Electrochemistry Communications, 80:16--19, 2017. DOI 

Nicolás Torasso, Juan M. Armaleo, Mario Tagliazucchi, and Federico J. Williams. Simplified Approach to Work Function Modulation in Polyelectrolyte Multilayers. Langmuir, 33:2169--2176, 2017. DOI 


2016

Florencia Marchini, Diego Rubi, Maria del Pozo, Federcio J. Williams, and Ernesto J. Calvo. Surface Chemistry and Lithium-Ion Exchange in LiMn2O4 for the Electrochemical Selective Extraction of LiCl from Natural Salt Lake Brines. The Journal of Physical Chemistry C, 120:15875--15883, 2016. DOI 

C. Ferreyra, F. Marchini, P. Granell, F. Golmar, C. Albornoz, F.J. Williams, A.G. Leyva, and D. Rubi. Growth of (100)-highly textured BaBiO3 thin films on silicon. Thin Solid Films, 612:369--372, 2016. DOI 

Matthias Franke, Florencia Marchini, Norbert Jux, Hans-Peter Steinrück, Ole Lytken, and Federico J. Williams. Zinc Porphyrin Metal-Center Exchange at the Solid-Liquid Interface. Chemistry - A European Journal, 22:8520--8524, 2016. DOI 

Florencia Marchini, Santiago E. Herrera, Ernesto J. Calvo, and Federico J. Williams. Surface studies of lithium-oxygen redox reactions over HOPG. Surface Science, 646:154--159, 2016. DOI 

C. Ferreyra, F. Guller, F. Marchini, U. Lüders, C. Albornoz, A. G. Leyva, F. J. Williams, A. M. Llois, V. Vildosola, and D. Rubi. Tuning the electronic properties at the surface of BaBiO3 thin films. AIP Advances, 6:065310, 2016. DOI 

Esteban A. Franceschini, Ezequiel de la Llave, Federico J. Williams, and Galo J.A.A. Soler-Illia. A simple three step method for selective placement of organic groups in mesoporous silica thin films. Materials Chemistry and Physics, 169:82--88, 2016. DOI 


2015

Ezequiel de la Llave, Santiago E. Herrera, Catherine Adam, Lucila P. Méndez De Leo, Ernesto J. Calvo, and Federico J. Williams. Molecular and electronic structure of osmium complexes confined to Au(111) surfaces using a self-assembled molecular bridge. The Journal of Chemical Physics, 143:184703, 2015. DOI 

F. Marchini, S. Herrera, W. Torres, A.Y. Tesio, F.J. Williams, and E.J. Calvo. Surface Study of Lithium-Air Battery Oxygen Cathodes in Different Solvent-Electrolyte pairs. Langmuir, 31:9236--9245, 2015. DOI 

Matthias Franke, Florencia Marchini, Liang Zhang, Quratulain Tariq, Nataliya Tsud, Mykhailo Vorokhta, Martin Vondráček, Kevin Prince, Michael Röckert, Federico José Williams, Hans-Peter Steinrück, and Ole Lytken. Temperature-Dependent Reactions of Phthalic Acid on Ag(100). The Journal of Physical Chemistry C, 119:23580--23585, 2015. DOI 

Matthias Franke, Florencia Marchini, Hans-Peter Steinrück, Ole Lytken, and Federico J. Williams. Surface Porphyrins Metalate with Zn Ions from Solution. The Journal of Physical Chemistry Letters, 6:4845--4849, 2015. DOI 


2014

Pablo Scodeller, Federico J Williams, and Ernesto J Calvo. XPS Analysis of Enzyme and Mediator at the Surface of a Layer-by-Layer Self-Assembled Wired Enzyme Electrode. Analytical Chemistry, 86:12180--12184, 2014. DOI 

F. Schipani, M. A. Ponce, E. Joanni, F. J. Williams, and C. M. Aldao. Study of the oxygen vacancies changes in SnO2 polycrystalline thick films using impedance and photoemission spectroscopies. Journal of Applied Physics, 116:194502, 2014. DOI 

Ezequiel de la Llave, Santiago E. Herrera, Lucila P. Méndez De Leo, and Federico J. Williams. Molecular and Electronic Structure of Self-Assembled Monolayers Containing Ruthenium(II) Complexes on Gold Surfaces. The Journal of Physical Chemistry C, 118:21420--21427, 2014. DOI 

Ezequiel de la Llave, Romain Clarenc, David J. Schiffrin, and Federico J. Williams. Organization of Alkane Amines on a Gold Surface: Structure, Surface Dipole, and Electron Transfer. The Journal of Physical Chemistry C, 118:468--475, 2014. DOI 

C.M. Aldao, F. Schipani, M.A. Ponce, E. Joanni, and F.J. Williams. Conductivity in SnO2 polycrystalline thick film gas sensors: Tunneling electron transport and oxygen diffusion. Sensors and Actuators B: Chemical, 193:428--433, 2014. DOI 

Edgar Völker, Federico J. Williams, Timo Jacob, and David J. Schiffrin. ARXPS and DFT studies of thermally induced Pb surface segregation on Au/Cu alloys. Journal of Alloys and Compounds, 586:475--478, 2014. DOI 


2013

Esteban A. Franceschini, Mariano M. Bruno, Federico J. Williams, Federico A. Viva, and Horacio R. Corti. High-Activity Mesoporous Pt/Ru Catalysts for Methanol Oxidation. ACS Applied Materials & Interfaces, 5:10437--10444, 2013. DOI 

Daiana A Capdevila, Waldemar A Marmisollé, Federico J Williams, and Daniel H Murgida. Phosphate mediated adsorption and electron transfer of cytochrome c. A time-resolved SERR spectroelectrochemical study. Phys. Chem. Chem. Phys., 15:5386--5394, 2013. DOI 

Waldemar A Marmisollé, Daiana A Capdevila, Ezequiel de la Llave, Federico J Williams, and Daniel H Murgida. Self-Assembled Monolayers of NH2-Terminated Thiolates: Order, pKa , and Specific Adsorption. Langmuir, 29:5351--5359, 2013. DOI 

Lucila P. Méndez De Leo, Ezequiel de la Llave, Damián Scherlis, and Federico J. Williams. Molecular and electronic structure of electroactive self-assembled monolayers. The Journal of Chemical Physics, 138:114707, 2013. DOI 


2012

Guillermo O Menéndez, Emiliano Cortés, Doris Grumelli, Lucila P Méndez De Leo, Federico J Williams, Nicolás G Tognalli, Alejandro Fainstein, María Elena Vela, Elizabeth A Jares-Erijman, and Roberto C Salvarezza. Self-assembly of thiolated cyanine aggregates on Au(111) and Au nanoparticle surfaces. Nanoscale, 4:531--540, 2012. DOI 

Edgar Völker, Ernesto J Calvo, and Federico J Williams. Formation, characterization and electrocatalytic activity of layer-by-layer self-assembled films containing polyoxomolybdate over Au surfaces. Journal of Electroanalytical Chemistry, 673:1--7, 2012. DOI 

Esteban A Franceschini, Mariano M Bruno, Federico A Viva, Federico J Williams, Matías Jobbágy, and Horacio R Corti. Mesoporous Pt electrocatalyst for methanol tolerant cathodes of DMFC. Electrochimica Acta, 71:173--180, 2012. DOI 

Alejandra M Ricci, Lucila P Méndez De Leo, Federico J Williams, and Ernesto J Calvo. Some Evidence for the Formation of an Azo Bond during the Electroreduction of Diazonium Salts on Au Substrates. ChemPhysChem, 13:2119--2127, 2012. DOI 

Martín H Marchena, Mara Granada, Andrea V Bordoni, María Joselevich, Horacio Troiani, Federico J Williams, and Alejandro Wolosiuk. Organized thiol functional groups in mesoporous core shell colloids. Journal of Solid State Chemistry, 187:97--102, 2012. DOI 

Edgar Völker, Federico J Williams, Ernesto J Calvo, Timo Jacob, and David J Schiffrin. O2 induced Cu surface segregation in Au-Cu alloys studied by angle resolved XPS and DFT modelling. Physical Chemistry Chemical Physics, 14:7448, 2012. DOI 


2011

Esteban A Franceschini, Gabriel A Planes, Federico J Williams, Galo J.A.A. Soler-Illia, and Horacio R Corti. Mesoporous Pt and Pt/Ru alloy electrocatalysts for methanol oxidation. Journal of Power Sources, 196:1723--1729, 2011. DOI 

Verónica M. Rivas, Lucila P. Méndez De Leo, Mariana Hamer, Romina Carballo, and Federico J. Williams. Self-Assembled Monolayers of Disulfide Cu Porphyrins on Au Surfaces: Adsorption Induced Reduction and Demetalation. Langmuir, 27:10714--10721, 2011. DOI 

Annette Brunsen, Alejandra Calvo, Federico J Williams, Galo J. A. A. Soler-Illia, and Omar Azzaroni. Manipulation of Molecular Transport into Mesoporous Silica Thin Films by the Infiltration of Polyelectrolytes. Langmuir, 27:4328--4333, 2011. DOI 

A M Ricci, N Tognalli, E de la Llave, C Vericat, Lucila P Méndez De Leo, Federico J Williams, D Scherlis, R Salvarezza, and E J Calvo. Electrochemistry of Os(2,2-bpy)2ClPyCH2NHCOPh tethered to Au electrodes by S-Au and C-Au junctions. Physical Chemistry Chemical Physics, 13:5336, 2011. DOI 


2010

Mario Tagliazucchi, Federico J Williams, and Ernesto J Calvo. Metal-ion responsive redox polyelectrolyte multilayers. Chemical Communications, 46:9004--9006, 2010. DOI 

Jorge Yánez-Heras, Gabriel A Planes, Federico Williams, César A Barbero, and Fernando Battaglini. Sequential Electrochemical Polymerization of Aniline and Their Derivatives Showing Electrochemical Activity at Neutral pH. Electroanalysis, 22:2801--2808, 2010. DOI 

Alejandra Calvo, M Cecilia Fuertes, Basit Yameen, Federico J Williams, Omar Azzaroni, and Galo J. A. A. Soler-Illia. Nanochemistry in Confined Environments: Polyelectrolyte Brush-Assisted Synthesis of Gold Nanoparticles inside Ordered Mesoporous Thin Films. Langmuir, 26:5559--5567, 2010. DOI 


2009

Alejandra Calvo, Basit Yameen, Federico J Williams, Omar Azzaroni, and Galo J. A. A. Soler-Illia. Facile molecular design of hybrid functional assemblies with controllable transport properties: mesoporous films meet polyelectrolyte brushes. Chemical Communications, pages 2553--2555, 2009. DOI 

Alejandra Calvo, María Joselevich, Galo J.A.A. Soler-Illia, and Federico J Williams. Chemical reactivity of amino-functionalized mesoporous silica thin films obtained by co-condensation and post-grafting routes. Microporous and Mesoporous Materials, 121:67--72, 2009. DOI 

Alejandra Calvo, Basit Yameen, Federico J Williams, Galo J.A.A. Soler-Illia, and Omar Azzaroni. Mesoporous Films and Polymer Brushes Helping Each Other To Modulate Ionic Transport in Nanoconfined Environments. An Interesting Example of Synergism in Functional Hybrid Assemblies. Journal of the American Chemical Society, 131:10866--10868, 2009. DOI 

M.F. Cardinal, P.A. Castro, J Baxi, H Liang, and F.J. Williams. Characterization and frictional behavior of nanostructured Ni-W-MoS2 composite coatings. Surface and Coatings Technology, 204:85--90, 2009. DOI 


UBA

Departamento de Química Inorgánica, Analítica y Química Física.

DQIAyQF

EXACTAS

Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires.

FCEN

CONICET

Instituto de Química Física de los Materiales, Medio Ambiente y Energía.

INQUIMAE

Funding

We are funded by the following public agencies:

Agencia, CONICET and UBA