YIC-IR
SERS shows Surface-enhanced Raman scattering shows ligand-enhanced hot electron harvesting on silver, gold, and copper nanoparticles
Zhang ZY(张志阳)1,2,3; Li, Yawei4,5; Frisch, J4; Bar, M4,6,7; Rappich, J8; Kneipp, J1,2,3
Source PublicationJournal of Catalysis
ISSN0021-9517
2020
Volume383Pages:153-159
KeywordLigands Hot electrons SERS p-Nitrothiophenol p-Aminothiophenol
MOST Discipline CatalogueChemistry ; Engineering
DOI10.1016/j.jcat.2020.01.006
Department山东省海岸带环境工程技术研究中心
Abstract

Hot carriers (electrons and holes) generated from the decay of localized surface plasmon resonances can take a major role in catalytic reactions on metal nanoparticles. By obtaining surface enhanced Raman scattering (SERS) spectra of p-aminothiophenol as product of the reduction of p-nitrothiophenol by hot electrons, different catalytic activity is revealed here for nanoparticles of silver, gold, and copper. As a main finding, a series of different ligands, comprising halide and non-halide species, are found to enhance product formation in the reduction reaction on nanoparticles of all three metals. A comparison with the standard electrode potentials of the metals with and without the ligands and SERS data obtained at different electrode potential indicate that the higher catalytic activity can be associated with a higher Fermi level, thereby resulting in an improved efficiency of hot carrier generation. The concept of such a ligand-enhanced hot electron reduction provides a way to make light-to-chemical energy conversion more efficient due to improved electron harvesting

SubtypeArticle
Indexed BySCI
Language英语
WOS KeywordP-AMINOTHIOPHENOL ; CHEMICAL-REACTION ; CHARGE-TRANSFER ; FERMI-LEVEL ; MOLECULE ; GENERATION ; OXIDATION ; NANOSTRUCTURES ; CHEMISORPTION ; PHOTOCATALYST
WOS Research AreaChemistry, Physical ; Engineering, Chemical
WOS IDWOS:000518866600016
Citation statistics
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/25294
Collection中国科学院烟台海岸带研究所
个人在本单位外知识产出
Corresponding AuthorKneipp, J
Affiliation1.Humboldt Univ, Sch Analyt Sci Adlershof, Brook Taylor Str 2, D-12489 Berlin, Germany
2.Humboldt Univ, Dept Chem, Brook Taylor Str 2, D-12489 Berlin, Germany.
3.BAM Fed Inst Mat Res & Testing, Richard Willstatter Str 11, D-12489 Berlin, Germany
4.Helmholtz Zentrum Berlin Mat & Energie GmbH, Renewable Energy, Hahn Meitner Pl 1, D-14109 Berlin, Germany
5.Drexel Univ, Dept Chem & Biol Engn, Philadelphia, PA 19104 USA.
6.Friedrich Alexander Univ Erlangen Nurnberg, Dept Chem & Pharm, Egerlandstr 3, D-91058 Erlangen, Germany.
7.Helmholtz Inst Erlangen Nurnberg Renewable Energy, Albert Einstein Str 15, D-12489 Berlin, Germany.
8.Helmholtz Zentrum Berlin Mat & Energie GmbH, Inst Si Photovolta, Kekulestr 5, D-12489 Berlin, Germany.
Recommended Citation
GB/T 7714
Zhang ZY,Li, Yawei,Frisch, J,et al. SERS shows Surface-enhanced Raman scattering shows ligand-enhanced hot electron harvesting on silver, gold, and copper nanoparticles[J]. Journal of Catalysis,2020,383:153-159.
APA Zhang ZY,Li, Yawei,Frisch, J,Bar, M,Rappich, J,&Kneipp, J.(2020).SERS shows Surface-enhanced Raman scattering shows ligand-enhanced hot electron harvesting on silver, gold, and copper nanoparticles.Journal of Catalysis,383,153-159.
MLA Zhang ZY,et al."SERS shows Surface-enhanced Raman scattering shows ligand-enhanced hot electron harvesting on silver, gold, and copper nanoparticles".Journal of Catalysis 383(2020):153-159.
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