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Boosting Hot Electrons in Hetero-superstructures for Plasmon-Enhanced Catalysis

Hetero-nanostructures featured with both strong plasmon absorption and high catalytic activity are believed to be ideal platforms to realize efficient light-driven catalysis. However, in reality, it remains a great challenge to acquire high-performance catalysis in such hetero-nanostructures due to... Full description

Journal Title: Journal of the American Chemical Society 13 December 2017, Vol.139(49), pp.17964-17972
Main Author: Guo, Jun
Other Authors: Zhang, Yin , Shi, Lin , Zhu, Yanfei , Mideksa, Megersa F , Hou, Ke , Zhao, Wenshi , Wang, Dawei , Zhao, Meiting , Zhang, Xiaofei , Lv, Jiawei , Zhang, Jianqi , Wang, Xiaoli , Tang, Zhiyong
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: E-ISSN: 1520-5126 ; PMID: 29155572 Version:1 ; DOI: 10.1021/jacs.7b08903
Link: http://pubmed.gov/29155572
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recordid: medline29155572
title: Boosting Hot Electrons in Hetero-superstructures for Plasmon-Enhanced Catalysis
format: Article
creator:
  • Guo, Jun
  • Zhang, Yin
  • Shi, Lin
  • Zhu, Yanfei
  • Mideksa, Megersa F
  • Hou, Ke
  • Zhao, Wenshi
  • Wang, Dawei
  • Zhao, Meiting
  • Zhang, Xiaofei
  • Lv, Jiawei
  • Zhang, Jianqi
  • Wang, Xiaoli
  • Tang, Zhiyong
subjects:
  • Catalysis
  • Catalyst-Activity
  • Hot-Electron
  • Nanorods
  • Dissociation
  • Type-Of-Reaction
  • Molecular-Oxygen
  • Plasmons
  • Electromagnetic-Field-Theory
  • Photocatalysts
  • Phonon
  • Katalyse
  • Katalytische Aktivität
  • Heißes Elektron
  • Nanostäbchen
  • Dissoziation
  • Reaktionstyp
  • Molekularer Sauerstoff
  • Plasmon
  • Elektromagnetisches Feld
  • Photokatalysator
  • Phonon
  • Chemistry
ispartof: Journal of the American Chemical Society, 13 December 2017, Vol.139(49), pp.17964-17972
description: Hetero-nanostructures featured with both strong plasmon absorption and high catalytic activity are believed to be ideal platforms to realize efficient light-driven catalysis. However, in reality, it remains a great challenge to acquire high-performance catalysis in such hetero-nanostructures due to poor generation and transfer of plamson-induced hot electrons. In this report, we demonstrate that Au nanorod@Pd superstructures (Au@Pd SSs), where the ordered Pd nanoarrays are precisely grown on Au nanorod surfaces via solution-based seed-mediated approach, would be an excellent solution for this challenge. Both experiment and theory disclose that the ordered arrangement of Pd on Au nanorod surfaces largely promotes hot electron generation and transfer via amplified local electromagnetic field and decreased electron-phonon coupling, respectively. Each effect is separately highlighted in experiments by the significant plasmon-enhanced catalytic activity of Au@Pd SSs in two types of important reactions with a distinct time scale of bond-dissociation event: molecular oxygen activation and carbon-carbon coupling reaction. This work opens the door to design and application of new generation photocatalysts.
language: eng
source:
identifier: E-ISSN: 1520-5126 ; PMID: 29155572 Version:1 ; DOI: 10.1021/jacs.7b08903
fulltext: no_fulltext
issn:
  • 15205126
  • 1520-5126
url: Link


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titleBoosting Hot Electrons in Hetero-superstructures for Plasmon-Enhanced Catalysis
creatorGuo, Jun ; Zhang, Yin ; Shi, Lin ; Zhu, Yanfei ; Mideksa, Megersa F ; Hou, Ke ; Zhao, Wenshi ; Wang, Dawei ; Zhao, Meiting ; Zhang, Xiaofei ; Lv, Jiawei ; Zhang, Jianqi ; Wang, Xiaoli ; Tang, Zhiyong
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descriptionHetero-nanostructures featured with both strong plasmon absorption and high catalytic activity are believed to be ideal platforms to realize efficient light-driven catalysis. However, in reality, it remains a great challenge to acquire high-performance catalysis in such hetero-nanostructures due to poor generation and transfer of plamson-induced hot electrons. In this report, we demonstrate that Au nanorod@Pd superstructures (Au@Pd SSs), where the ordered Pd nanoarrays are precisely grown on Au nanorod surfaces via solution-based seed-mediated approach, would be an excellent solution for this challenge. Both experiment and theory disclose that the ordered arrangement of Pd on Au nanorod surfaces largely promotes hot electron generation and transfer via amplified local electromagnetic field and decreased electron-phonon coupling, respectively. Each effect is separately highlighted in experiments by the significant plasmon-enhanced catalytic activity of Au@Pd SSs in two types of important reactions with a distinct time scale of bond-dissociation event: molecular oxygen activation and carbon-carbon coupling reaction. This work opens the door to design and application of new generation photocatalysts.
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subjectCatalysis ; Catalyst-Activity ; Hot-Electron ; Nanorods ; Dissociation ; Type-Of-Reaction ; Molecular-Oxygen ; Plasmons ; Electromagnetic-Field-Theory ; Photocatalysts ; Phonon ; Katalyse ; Katalytische Aktivität ; Heißes Elektron ; Nanostäbchen ; Dissoziation ; Reaktionstyp ; Molekularer Sauerstoff ; Plasmon ; Elektromagnetisches Feld ; Photokatalysator ; Phonon ; Chemistry;
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titleBoosting Hot Electrons in Hetero-superstructures for Plasmon-Enhanced Catalysis
descriptionHetero-nanostructures featured with both strong plasmon absorption and high catalytic activity are believed to be ideal platforms to realize efficient light-driven catalysis. However, in reality, it remains a great challenge to acquire high-performance catalysis in such hetero-nanostructures due to poor generation and transfer of plamson-induced hot electrons. In this report, we demonstrate that Au nanorod@Pd superstructures (Au@Pd SSs), where the ordered Pd nanoarrays are precisely grown on Au nanorod surfaces via solution-based seed-mediated approach, would be an excellent solution for this challenge. Both experiment and theory disclose that the ordered arrangement of Pd on Au nanorod surfaces largely promotes hot electron generation and transfer via amplified local electromagnetic field and decreased electron-phonon coupling, respectively. Each effect is separately highlighted in experiments by the significant plasmon-enhanced catalytic activity of Au@Pd SSs in two types of important reactions with a distinct time scale of bond-dissociation event: molecular oxygen activation and carbon-carbon coupling reaction. This work opens the door to design and application of new generation photocatalysts.
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abstractHetero-nanostructures featured with both strong plasmon absorption and high catalytic activity are believed to be ideal platforms to realize efficient light-driven catalysis. However, in reality, it remains a great challenge to acquire high-performance catalysis in such hetero-nanostructures due to poor generation and transfer of plamson-induced hot electrons. In this report, we demonstrate that Au nanorod@Pd superstructures (Au@Pd SSs), where the ordered Pd nanoarrays are precisely grown on Au nanorod surfaces via solution-based seed-mediated approach, would be an excellent solution for this challenge. Both experiment and theory disclose that the ordered arrangement of Pd on Au nanorod surfaces largely promotes hot electron generation and transfer via amplified local electromagnetic field and decreased electron-phonon coupling, respectively. Each effect is separately highlighted in experiments by the significant plasmon-enhanced catalytic activity of Au@Pd SSs in two types of important reactions with a distinct time scale of bond-dissociation event: molecular oxygen activation and carbon-carbon coupling reaction. This work opens the door to design and application of new generation photocatalysts.
doi10.1021/jacs.7b08903
pmid29155572
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date2017-12-13