Zobrazeno 1 - 10 of 12 pro vyhledávání: '"Rafael S. Geonmonond"'
1
Akademický článek
Controlled synthesis of noble metal nanomaterials: motivation, principles, and opportunities in nanocatalysis
Autor: RAFAEL S. GEONMONOND, ANDERSON G.M. DA SILVA, PEDRO H.C. CAMARGO
Publikováno v: Anais da Academia Brasileira de Ciências, Vol 90, Iss 1 suppl 1, Pp 719-744 (2018)
ABSTRACT This review describes some principles of the controlled synthesis of metal nanoparticles, focusing on how the fundamental understanding of their synthesis in the solution-phase can be put to tailor size, shape, composition, and architecture.
Externí odkaz: https://doaj.org/article/b2805ec9f03f4d44aac6d599ce298bcf
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2
Akademický článek
Hot Electrons, Hot Holes, or Both? Tandem Synthesis of Imines Driven by the Plasmonic Excitation in Au/CeO2 Nanorods
Autor: Ivo F. Teixeira, Mauricio S. Homsi, Rafael S. Geonmonond, Guilherme F. S. R. Rocha, Yung-Kang Peng, Ingrid F. Silva, Jhon Quiroz, Pedro H. C. Camargo
Publikováno v: Nanomaterials, Vol 10, Iss 8, p 1530 (2020)
Solar-to-chemical conversion via photocatalysis is of paramount importance for a sustainable future. Thus, investigating the synergistic effects promoted by light in photocatalytic reactions is crucial. The tandem oxidative coupling of alcohols and a
Externí odkaz: https://doaj.org/article/dcf0c905cfe94b71a9002e865ac918d5
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4
Ethanol steam reforming: understanding changes in the activity and stability of Rh/MxOy catalysts as function of the support
Autor: Rafael S. Geonmonond, Marcelo Linardi, Felipe A. e Silva, Anderson G. M. da Silva, Thenner S. Rodrigues, Pedro H. C. Camargo, Fabio C. Fonseca, Eduardo G Candido
Publikováno v: Journal of Materials Science. 54:11400-11416
We reported herein a systematic investigation on how the nature of the support affected the catalytic performances of Rh nanoparticles. The prepared catalysts were denoted as Rh/MxOy, where M corresponded to Ce, Ti, Si, Zn, and Al, and Rh was Rh3+ re
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::46570f69470191d1f9747fe7b6cf10d3
https://doi.org/10.1007/s10853-019-03660-z
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5
Carbon-supported MnO2 nanoflowers: Introducing oxygen vacancies for optimized volcano-type electrocatalytic activities towards H2O2 generation
Autor: V. S. Antonin, Anderson G. M. da Silva, Luanna S. Parreira, Isabel C. de Freitas, Eduardo G Candido, Mauro C. Santos, Luci R. Aveiro, Marcos R.V. Lanza, Rafael S. Geonmonond, Pedro H. C. Camargo
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Manganese oxide (MnO2) nanomaterials represent a promising low-cost electrocatalyst material for hydrogen peroxide (H2O2) production by the oxygen reduction reaction (ORR). In this material, the introduction of oxygen vacancies is an effective strate
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3af7abc688b28707d39cebd4f439be85
https://doi.org/10.1016/j.electacta.2018.02.077
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6
Marrying SPR excitation and metal–support interactions: unravelling the contribution of active surface species in plasmonic catalysis
Autor: Freddy E. Oropeza, Rafael S. Geonmonond, Guilherme F. S. R. Rocha, Emiel J. M. Hensen, Pedro H. C. Camargo, Clara de Jesus Rangel, Rômulo A. Ando, Thenner S. Rodrigues, Jhon Quiroz, Jan P. Hofmann
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Nanoscale, 10(18), 8560-8568. Royal Society of Chemistry
Plasmonic catalysis takes advantage of the surface plasmon resonance (SPR) excitation to drive or accelerate chemical transformations. In addition to the plasmonic component, the control over metal-support interactions in these catalysts is expected
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1d435a27552a4a27f9aa6dff660070e9
https://doi.org/10.1039/c8nr00934a
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7
Controlled Synthesis of Nanomaterials at the Undergraduate Laboratory: Cu(OH)2 and CuO Nanowires
Autor: Rafael S. Geonmonond, Eduardo G Candido, Pedro H. C. Camargo, Anderson G. M. da Silva, André L.A. Parussulo, Thenner S. Rodrigues, Hermi F. Brito, Henrique E. Toma
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Undergraduate-level laboratory experiments that involve the synthesis of nanomaterials with well-defined/controlled shapes are very attractive under the umbrella of nanotechnology education. Herein we describe a low-cost and facile experiment for the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6eb35702cf3ba282bbfff2e5a53c873
https://doi.org/10.1021/acs.jchemed.6b00185
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9
Controlled synthesis of noble metal nanomaterials: motivation, principles, and opportunities in nanocatalysis
Autor: Anderson G. M. da Silva, Rafael S. Geonmonond, Pedro H. C. Camargo
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Anais da Academia Brasileira de Ciências, Vol 90, Iss 1 suppl 1, Pp 719-744 (2018)
Anais da Academia Brasileira de Ciências, Volume: 90, Issue: 1 Supplement 1, Pages: 719-744, Published: 16 APR 2018
Anais da Academia Brasileira de Ciências v.90 n.1 suppl.1 2018
Anais da Academia Brasileira de Ciências
Academia Brasileira de Ciências (ABC)
instacron:ABC
This review describes some principles of the controlled synthesis of metal nanoparticles, focusing on how the fundamental understanding of their synthesis in the solution-phase can be put to tailor size, shape, composition, and architecture. The mane
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13d68889b9975fc8ee3d87ab2195de45
https://pubmed.ncbi.nlm.nih.gov/29668801
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10
Supports matter: unraveling the role of charge transfer in the plasmonic catalytic activity of silver nanoparticles
Autor: Rômulo A. Ando, Pedro H. C. Camargo, Sergio H. Domingues, Letizia Papa, Isabel C. de Freitas, Joana C. Pieretti, Caroline B. de Aquino, Rafael S. Geonmonond
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
The immobilization of plasmonic nanoparticles onto supports with suitable electronic properties represents an intuitive strategy for the modulation of nanoscale charge-transfer processes and thus the optimization of plasmonic catalytic performances.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a51ff9f776aa6103eddbe8768ce426a
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