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Electronic and geometric structure of nano-materials: synchrotron radiation studies

Abstract

Designing a surface with predefined characteristics to work as a catalyst for a specific reaction, or to have specific magnetic properties, or to have a stable interface with an underling support (as is needed for high k materials on a silicon wafer to produce nano CMOS semiconductor device) has been the long-term goal of many surface scientists. So far it has been a elusive goal, but one can be absolutely convinced that any progress in this direction will be based on a complete understanding of the inter play between electronic structure and the position of the atoms on the surface or at an interface. These atoms find themselves in an environment that has few symmetries, nearest neighbors can be different from site to site, atomic distances likewise. Over all it is the electronic structure of the atoms that defines these features, but sometimes the atomic arrangement can influence the electronic structure. The study of this kind of inter-relation requires the use of different experimental techniques and computational approaches. In Brazil very few centers have groups that have these kinds of capabilities. In this thematic project we will try to update the experimental infrastructure operated by the Surface Group in 'Campinas' (UNICAMP/LNLS/UFSCAR) and use the research and 'training' associated with a DFG/IRTG project with Uni Dortmund to help develop our experimental and theoretical capabilities. We will explore these interactions basically in the types of structure, surface alloys, metal oxide nanoparticle systems and semiconductor oxide interfaces, using XPS, PED and STM. Systems with catalytic properties, magnetic properties or electronic properties will be studied. (AU)

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Scientific publications (34)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
PANCOTTI, A.; DE SIERVO, A.; NASCENTE, P. A. P.; LANDERS, R.. Surface structure characterization of ultra-thin films of Au deposited on Pd(111). Surface Science, v. 648, n. SI, p. 250-255, . (07/54829-5)
PRIETO, MAURICIO J.; CARBONIO, EMILIA A.; FATAYER, SHADI; LANDERS, RICHARD; DE SIERVO, ABNER. Electronic and structural study of Pt-modified Au vicinal surfaces: a model system for Pt-Au catalysts. Physical Chemistry Chemical Physics, v. 16, n. 26, p. 13329-13339, . (12/16860-6, 07/54829-5)
DE CAMPOS FERREIRA, RODRIGO CEZAR; DE LIMA, LUIS HENRIQUE; BARRETO, LUCAS; SILVA, CAIO C.; LANDERS, RICHARD; DE SIERVO, ABNER. Unraveling the Atomic Structure of Fe Intercalated under Graphene on Ir(111): A Multitechnique Approach. CHEMISTRY OF MATERIALS, v. 30, n. 20, p. 7201-7210, . (07/54829-5, 07/08244-5, 16/21402-8)
PRIETO, MAURICIO J.; CARBONIO, EMILIA A.; LANDERS, RICHARD; DE SIERVO, ABNER. Promotion Effect of Platinum on Gold's Reactivity: A High-Resolution Photoelectron Spectroscopy Study. Journal of Physical Chemistry C, v. 120, n. 19, p. 10227-10236, . (07/54829-5)
DE MORAES, NICOLAS PERCIANI; GOES, CLARICE MOREIRA; ROCHA, ROBSON DA SILVA; VICENTE GOUVEA, MAIRA ELIZABETH; DE SIERVO, ABNER; CAETANO PINTO DA SILVA, MARIA LUCIA; RODRIGUES, LIANA ALVARES. Tannin-based carbon xerogel as a promising co-catalyst for photodegradation processes based on solar light: a case study using the tin (IV) oxide/carbon xerogel composite. Chemical Engineering Communications, . (07/54829-5, 18/16360-0, 07/08244-5, 19/03641-3)
MOURA, GABRIEL DE MORAES; DA SILVA, CAMILA CRISTINA; ARAUJO NAVES, EMILIANE ANDRADE; MORETO, JEFERSON APARECIDO; FERREIRA, DEUSMAQUE CARNEIRO; DE OLIVEIRA, PAULO ROBERTO; KALINKE, CRISTIANE; SCARMINIO, JAIR; DE SIERVO, ABNER; DA CUNHA, THIAGO HENRIQUE R.; et al. On the physical and electrochemical properties of MLG-based electrode surfaces modified by microwave-assisted reactive plasma. MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS, v. 272, . (07/54829-5, 07/08244-5)
MORENO-LOPEZ, JUAN CARLOS; JOHN MOWBRAY, DUNCAN; PEREZ PAZ, ALEJANDRO; DE CAMPOS FERREIRA, RODRIGO CEZAR; DOS SANTOS, ALISSON CECCATTO; AYALA, PAOLA; DE SIERVO, ABNER. Roles of Precursor Conformation and Adatoms in Ullmann Coupling: An Inverted Porphyrin on Cu(111). CHEMISTRY OF MATERIALS, v. 31, n. 8, p. 3009-3017, . (17/08846-7, 07/54829-5)
AUGUSTO, GABRIEL DE SOUZA; SCARMINIO, JAIR; CATARINI SILVA, PAULO ROGERIO; DE SIERVO, ABNER; ROUT, CHANDRA SEKHAR; ROUXINOL, FRANCISCO; GELAMO, ROGERIO VALENTIM. Flexible metal-free supercapacitors based on multilayer graphene electrodes. Electrochimica Acta, v. 285, p. 241-253, . (17/08602-0, 07/54829-5)
DOS SANTOS, ALISSON CECCATTO; HERRERA-REINOZA, NATALY; PAZ, ALEJANDRO PEREZ; MOWBRAY, DUNCAN JOHN; DE SIERVO, ABNER. Reassessing the Adsorption Behavior and on-Surface Reactivity of a Brominated Porphyrin on Cu(111). Journal of Physical Chemistry C, v. 125, n. 31, p. 17164-17173, . (07/54829-5, 07/08244-5)
FATAYER, SHADI; PRIETO, MAURICIO JAVIER; LANDERS, RICHARD; DE SIERVO, ABNER. Coverage-dependent study of nickel tetraphenyl-porphyrin on Au(332) and Au(788). Surface Science, v. 723, p. 7-pg., . (07/54829-5, 07/08244-5, 11/12566-3)
MENDES, LETICIA FRANCINE; DE SIERVO, ABNER; DE ARAUJO, WILLIAM REIS; LONGO CESAR PAIXAO, THIAGO REGIS. Reagentless fabrication of a porous graphene-like electrochemical device from phenolic paper using laser-scribing. Carbon, v. 159, p. 110-118, . (17/10522-5, 18/08782-1, 07/54829-5, 18/16250-0)
DOS SANTOS, ALISSON CECCATTO; DE CAMPOS FERREIRA, RODRIGO CEZAR; MORENO-LOPEZ, JUAN CARLOS; BARRETO, LUCAS; LEPPER, MICHAEL; LANDERS, RICHARD; STEINRUECK, HANS-PETER; MARBACH, HUBERTUS; DE SIERVO, ABNER. Cyano-Functionalized Porphyrins on Cu(111) from One-Dimensional Wires to Two-Dimensional Molecular Frameworks: On the Role of Co-Deposited Metal Atoms. CHEMISTRY OF MATERIALS, v. 32, n. 5, p. 2114-2122, . (17/08846-7, 07/54829-5)
TREVELIN, L. C.; VALIM, R. B.; CARNEIRO, J. F.; DE SIERVO, A.; ROCHA, R. S.; LANZA, V, M. R.. Using black carbon modified with NbMo and NbPd oxide nanoparticles for the improvement of H2O2 electrosynthesis. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, v. 877, . (17/10118-0, 14/50945-4, 07/08244-5, 07/54829-5, 13/02762-5, 16/12597-0, 14/11486-4)
COSTA, TAINARA L. G.; VIEIRA, MARIANA A.; GONCALVES, GUSTAVO R.; CIPRIANO, DANIEL F.; LACERDA, VALDEMAR; GONCALVES, ARLAN S.; SCOPEL, WANDERLA L.; DE SIERVO, ABNER; FREITAS, JAIR C. C.. Combined computational and experimental study about the incorporation of phosphorus into the structure of graphene oxide. Physical Chemistry Chemical Physics, v. N/A, p. 17-pg., . (07/08244-5, 07/54829-5)
KULIGA, JAN; DE CAMPOS FERREIRRA, RODRIGO CEZAR; ADHIKARI, RAJAN; MASSICOT, STEPHEN; LEPPER, MICHAEL; HOELZEL, HELEN; JUX, NORBERT; MARBACH, HUBERTUS; DE SIERVO, ABNER; STEINRUECK, HANS-PETER. Metalation of 2HTCNPP on Ag(111) with Zn: Evidence for the Sitting atop Complex at Room Temperature. ChemPhysChem, v. 22, n. 4, . (07/54829-5, 07/08244-5)
MATIAS, TIAGO A.; RAMOS, DAVID L. O.; FARIA, LUCAS V.; DE SIERVO, ABNER; RICHTER, EDUARDO M.; MUNOZ, RODRIGO A. A.. 3D-printed electrochemical cells with laser engraving: developing portable electroanalytical devices for forensic applications. Microchimica Acta, v. 190, n. 8, p. 10-pg., . (07/08244-5, 07/54829-5)
PANCOTTI, A.; DE SIERVO, A.; NASCENTE, P. A. P.; LANDERS, R.. Surface structure characterization of ultra-thin films of Au deposited on Pd(111). Surface Science, v. 648, p. 6-pg., . (07/54829-5)
NASCENTE, P. A. P.; MALUF, S. S.; AFONSO, C. R. M.; LANDERS, R.; PINHEIRO, A. N.; LEITE, E. R.. Au and Pd nanoparticles supported on CeO2, TiO2, and Mn2O3 oxides. Applied Surface Science, v. 315, p. 490-498, . (07/54829-5)
CARBONIO, EMILIA A.; PRIETO, MAURICIO J.; DE SIERVO, ABNER; LANDERS, RICHARD. From 1D to 3D Ru Nanostructures on a Pt Stepped Surface as Model Systems in Electrocatalysis: UHV-STM and XPS Study. Journal of Physical Chemistry C, v. 118, n. 49, p. 28679-28688, . (11/12566-3, 07/54829-5)
PANCOTTI, A.; ABREU, G. J. P.; WANG, J. L.; FERREIRA, A. V. M.; LANDERS, R.; DE SIERVO, A.. Formation of Rh islands on Pd-supported alpha-Fe2O3 (0001). CrystEngComm, v. 19, n. 15, p. 2089-2095, . (07/54829-5)
GONCALVES, JOSUE M.; LIMA, IRLAN S.; AZEREDO, NATHALIA F. B.; ROCHA, DIEGO P.; DE SIERVO, ABNER; ANGNES, LUCIO. iVCe-Layered Double Hydroxide as Multifunctional Nanomaterials for Energy and Sensor Application. FRONTIERS IN MATERIALS, v. 8, . (17/13137-5, 20/00325-0, 07/08244-5, 07/54829-5, 18/16896-7, 14/50867-3)
DO AMARAL, GABRIELA MOURA; TONON, ISABELA DA COSTA; PENA ROMAN, RICARDO JAVIER; PLATH, HANNAH DE OLIVEIRA; TANIGUCHI, THEO MASSAO; DE LIMA, LUIS HENRIQUE; ZAGONEL, LUIZ FERNANDO; LANDERS, RICHARD; DE SIERVO, ABNER. Epitaxial growth, electronic hybridization and stability under oxidation of monolayer MoS2 on Ag(111). Applied Surface Science, v. 538, . (07/54829-5, 18/08543-7, 16/21402-8, 07/08244-5)
DE MORAES, NICOLAS PERCIANI; ROCHA, ROBSON DA SILVA; DE SIERVO, ABNER; DO PRADO, CAIO CESAR ACHILES; DE PAIVA, TERESA CRISTINA BRAZIL; CAMPOS, TIAGO MOREIRA BASTOS; THIM, GILMAR PATROCINIO; LANZA, MARCOS ROBERTO DE VASCONCELOS; RODRIGUES, LIANA ALVARES. Resorcinol-based carbon xerogel/ZnO composite for solar-light-induced photodegradation of sulfamerazine. Optical Materials, v. 128, p. 11-pg., . (07/54829-5, 07/08244-5, 17/10118-0, 14/50945-4, 18/10492-1, 18/16360-0)
ATAIDE, VANESSA N.; ROCHA, DIEGO P.; DE SIERVO, ABNER; PAIXAO, THIAGO R. L. C.; MUNOZ, RODRIGO A. A.; ANGNES, LUCIO. Additively manufactured carbon/black-integrated polylactic acid 3Dprintedsensor for simultaneous quantification of uric acid and zinc in sweat. Microchimica Acta, v. 188, n. 11, . (18/14462-0, 20/00325-0, 07/08244-5, 07/54829-5, 14/50867-3)
ROCHA, DIEGO P.; ATAIDE, VANESSA N.; DE SIERVO, ABNER; GONSALVES, JOSUE M.; MUNOZ, RODRIGO A. A.; PAIXA, THIAGO R. L. C.; ANGNES, LUCIO. Reagentless and sub-minute laser-scribing treatment to produce enhanced disposable electrochemical sensors via additive manufacture. CHEMICAL ENGINEERING JOURNAL, v. 425, . (07/08244-5, 18/14462-0, 07/54829-5, 18/16896-7, 14/50867-3, 18/08782-1, 20/00325-0)
BARRETO, LUCAS; DE LIMA, LUIS HENRIQUE; MARTINS, DANIEL COUTINHO; SILVA, CAIO; DE CAMPOS FERREIRA, RODRIGO CEZAR; LANDERS, RICHARD; DE SIERVO, ABNER. Selecting `convenient observers' to probe the atomic structure of CVD graphene on Ir(111) via photoelectron diffraction. JOURNAL OF PHYSICS-CONDENSED MATTER, v. 33, n. 10, . (07/08244-5, 07/54829-5, 16/21402-8)
GIRAO, DANIEL DE CASTRO; BERES, MILOSLAV; JARDINI, ANDRE LUIZ; MACIEL FILHO, RUBENS; SILVA, CLEITON CARVALHO; DE SIERVO, ABNER; GOMES DE ABREU, HAMILTON FERREIRA; ARAUJO, WALNEY SILVA. An assessment of biomedical CoCrMo alloy fabricated by direct metal laser sintering technique for implant applications. Materials Science & Engineering C-Materials for Biological Applications, v. 107, . (16/09350-2, 07/54829-5)
PEREIRA, JIAN F. S.; ROCHA, RAQUEL G.; CASTRO, SILVIA V. F.; JOAO, AFONSO F.; BORGES, PEDRO H. S.; ROCHA, DIEGO P.; DE SIERVO, ABNER; RICHTER, EDUARDO M.; NOSSOL, EDSON; GELAMO, V, ROGERIO; et al. Reactive oxygen plasma treatment of 3D-printed carbon electrodes towards high-performance electrochemical sensors. SENSORS AND ACTUATORS B-CHEMICAL, v. 347, . (20/00325-0, 07/08244-5, 07/54829-5)
DE CAMPOS FERREIRA, RODRIGO CEZAR; PAZ, ALEJANDRO PEREZ; MOWBRAY, DUNCAN JOHN; ROULET, JEAN-YVES; LANDERS, RICHARD; DE SIERVO, ABNER. Supramolecular Ordering and Reactions of a Chlorophenyl Porphyrin on Ag(111). Journal of Physical Chemistry C, v. 124, n. 26, p. 14220-14228, . (17/09529-5, 07/54829-5, 07/08244-5)
DE MORAES, NICOLAS PERCIANI; DE SIERVO, ABNER; SILVA, TAYNARA OLIVEIRA; ROCHA, ROBSON DA SILVA; REDDY, D. AMARANATHA; YU LIANQING; DE VASCONCELOS LANZA, MARCOS ROBERTO; RODRIGUES, LIANA ALVARES. Kraft lignin-based carbon xerogel/zinc oxide composite for 4-chlorophenol solar-light photocatalytic degradation: effect of pH, salinity, and simultaneous Cr(VI) reduction. Environmental Science and Pollution Research, v. N/A, p. 17-pg., . (18/10492-1, 14/50945-4, 07/54829-5, 07/08244-5, 17/10118-0, 18/16360-0)
DE LIMA, LUIS HENRIQUE; SILVA, WENDELL SIMOES E.; PRIOR, IAGO AEDON SILVA; LANDERS, RICHARD; DE SIERVO, ABNER. Zn Vacancies as Hydrogen Trap Sites in Polar Surfaces: A New Stabilization Mechanism for the ZnO(0001)-(2?2) Surface Reconstruction. Journal of Physical Chemistry C, v. 127, n. 18, p. 8-pg., . (07/08244-5, 07/54829-5)
MOWBRAY, DUNCAN JOHN; PAZ, ALEJANDRO PEREZ; FERREIRA, RODRIGO C. C.; MILOTTI, VALERIA; SCHIO, PEDRO; SIMOES E SILVA, WENDELL; PICHLER, THOMAS; DE SIERVO, ABNER; MORENO-LOPEZ, JUAN CARLOS. Decoupling Chemically Active 2D Molecular Overlayers from the Substrate: Chlorophenyl Porphyrins on Graphene/Ir(111). Journal of Physical Chemistry C, v. 127, n. 18, p. 8-pg., . (07/08244-5, 07/54829-5)
BARRETO, LUCAS; DE LIMA, LUIS HENRIQUE; MARTINS, DANIEL COUTINHO; SILVA, CAIO; DE CAMPOS FERREIRA, RODRIGO CEZAR; LANDERS, RICHARD; DE SIERVO, ABNER. Selecting 'convenient observers' to probe the atomic structure of CVD graphene on Ir(111) via photoelectron diffraction. JOURNAL OF PHYSICS-CONDENSED MATTER, v. 33, n. 10, p. 8-pg., . (07/54829-5, 16/21402-8, 07/08244-5)
HERRERA-REINOZA, NATALY; DOS SANTOS, ALISSON CECCATTO; DE LIMA, LUIS HENRIQUE; LANDERS, RICHARD; DE SIERVO, ABNER. Atomically Precise Bottom-Up Synthesis of h-BNC: Graphene Doped with h-BN Nanoclusters. CHEMISTRY OF MATERIALS, v. 33, n. 8, p. 12-pg., . (07/08244-5, 16/21402-8, 07/54829-5)

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