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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Controlling Reaction Selectivity over Hybrid Plasmonic Nanocatalysts

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Quiroz, Jhon [1] ; Barbosa, Eduardo C. M. [1] ; Araujo, Thaylan P. [1] ; Fiorio, Jhonatan L. [1] ; Wang, Yi-Chi [2] ; Zou, Yi-Chao [2] ; Mou, Tong [3, 4] ; Alves, Tiago V. [5] ; de Oliveira, Daniela C. [6] ; Wang, Bin [3, 4] ; Haigh, Sarah J. [2] ; Rossi, Liane M. [1] ; Camargo, Pedro H. C. [1]
Total Authors: 13
[1] Univ Sao Paulo, Dept Quim Fundamental, Inst Quim, Ave Prof Lineu Prestes 748, BR-05508000 Sao Paulo, SP - Brazil
[2] Univ Manchester, Sch Mat, Manchester M13 9PL, Lancs - England
[3] Univ Oklahoma, Ctr Interfacial React Engn, Norman, OK 73019 - USA
[4] Univ Oklahoma, Sch Chem Biol & Mat Engn, Gallogly Coll Engn, Norman, OK 73019 - USA
[5] Univ Fed Bahia, Inst Quim, Dept Fisicoquim, Rua Barao Jeremoabo 147, BR-40170115 Salvador, BA - Brazil
[6] Ctr Nacl Pesquisa Energia & Mat, Lab Nacl Luz Sincrotron, BR-13083970 Campinas, SP - Brazil
Total Affiliations: 6
Document type: Journal article
Source: Nano Letters; v. 18, n. 11, p. 7289-7297, NOV 2018.
Web of Science Citations: 11

The localized surface plasmon resonance (LSPR) excitation in plasmonic nanoparticles has been used to accelerate several catalytic transformations under visible-light irradiation. In order to fully harness the potential of plasmonic catalysis, multimetallic nanoparticles containing a plasmonic and a catalytic component, where LSPR-excited energetic charge carriers and the intrinsic catalytic active sites work synergistically, have raised increased attention. Despite several exciting studies observing rate enhancements, controlling reaction selectivity remains very challenging. Here, by employing multimetallic nanoparticles combining Au, Ag, and Pt in an Au@Ag@Pt core-shell and an Au@AgPt nanorattle architectures, we demonstrate that reaction selectivity of a sequential reaction can be controlled under visible light illumination. The control of the reaction selectivity in plasmonic catalysis was demonstrated for the hydrogenation of phenylacetylene as a model transformation. We have found that the localized interaction between the triple bond in phenylacetylene and the Pt nanoparticle surface enables selective hydrogenation of the triple bond (relative to the double bond in styrene) under visible light illumination. Atomistic calculations show that the enhanced selectivity toward the partial hydrogenation product is driven by distinct adsorption configurations and charge delocalization of the reactant and the reaction intermediate at the catalyst surface. We believe these results will contribute to the use of plasmonic catalysis to drive and control a wealth of selective molecular transformations under ecofriendly conditions and visible light illumination. (AU)

FAPESP's process: 15/11452-5 - Hybrid materials composed of oxides and metallic nanoparticles for catalytic and photocatalytic applications
Grantee:Eduardo César Melo Barbosa
Support type: Scholarships in Brazil - Doctorate (Direct)
FAPESP's process: 15/21366-9 - Hybrid materials containing metal nanoparticles for catalytic applications
Grantee:Pedro Henrique Cury Camargo
Support type: Regular Research Grants
FAPESP's process: 15/26308-7 - Optimization of the physicochemical properties of nano -structured materials for applications in molecular recognition, catalysis and energy conversion/storage
Grantee:Roberto Manuel Torresi
Support type: Research Projects - Thematic Grants
FAPESP's process: 16/17866-9 - Tailoring the catalytic properties of plasmonic Nanorattles towards the photochemical activation of oxygen under mild conditions
Grantee:Jhon Jhon Quiroz Torres
Support type: Scholarships in Brazil - Post-Doctorate
FAPESP's process: 17/07564-8 - Hybrid nanomaterials for energy conversion: integrating plasmonic nanostructures and photoluminescent nanomaterials
Grantee:Thaylan Pinheiro Araújo
Support type: Scholarships in Brazil - Master
FAPESP's process: 16/16738-7 - Study of the influence of organic ligands on the reactivity of gold nanoparticles
Grantee:Liane Marcia Rossi
Support type: Regular Research Grants