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author:

Xie, Wen Chang (Xie, Wen Chang.) [1] | Ling, Yun (Ling, Yun.) [2] | Zhang, Ya Zhen (Zhang, Ya Zhen.) [3] | Pan, He (Pan, He.) [4] | Liu, Guo Kun (Liu, Guo Kun.) [5] | Tang, Jing (Tang, Jing.) [6] (Scholars:汤儆)

Indexed by:

EI Scopus SCIE

Abstract:

The combination of in-situ electrochemical surface-enhanced Raman spectroscopy (EC-SERS) and high-frequency heating technology was used to investigate formic acid (HCOOH) electrooxidation at variable temperatures. Any preset temperature could be adjusted within 1 s on the surface of the working electrode (thermocouple microelectrode, TCME) by using the high-frequency heating technology. Cyclic voltammetry and EC-SERS were used to investigate the electrooxidation behavior of HCOOH on the surface of Au@Pt nanoparticles. Cyclic voltammetry showed that elevated temperatures improve the catalytic activity of Au@Pt/TCME toward HCOOH oxidation. The EC-SERS results showed that the intensity of the Pt-C band decreased with an increase in temperature, which indicates that a high temperature favors the oxidative desorption of CO from the Pt surface and improves the catalytic reaction. This work could be used to screen catalysts for HCOOH electrooxidation at high temperature, or for other investigations of EC-SERS at variable temperatures. (c) 2018 Elsevier Ltd. All rights reserved.

Keyword:

Au@Pt Electrocatalysis Formic acid Surface-enhanced Raman spectroscopy Temperature modulation

Community:

  • [ 1 ] [Xie, Wen Chang]Fuzhou Univ, Coll Chem, Minist Educ, Key Lab Analyt Sci Food Safety & Biol, Fuzhou 350116, Fujian, Peoples R China
  • [ 2 ] [Ling, Yun]Fuzhou Univ, Coll Chem, Minist Educ, Key Lab Analyt Sci Food Safety & Biol, Fuzhou 350116, Fujian, Peoples R China
  • [ 3 ] [Zhang, Ya Zhen]Fuzhou Univ, Coll Chem, Minist Educ, Key Lab Analyt Sci Food Safety & Biol, Fuzhou 350116, Fujian, Peoples R China
  • [ 4 ] [Pan, He]Fuzhou Univ, Coll Chem, Minist Educ, Key Lab Analyt Sci Food Safety & Biol, Fuzhou 350116, Fujian, Peoples R China
  • [ 5 ] [Tang, Jing]Fuzhou Univ, Coll Chem, Minist Educ, Key Lab Analyt Sci Food Safety & Biol, Fuzhou 350116, Fujian, Peoples R China
  • [ 6 ] [Liu, Guo Kun]Xiamen Univ, Coll Environm & Ecol, State Key Lab Marine Environm Sci, Xiamen 361002, Peoples R China

Reprint 's Address:

  • 汤儆

    [Tang, Jing]Fuzhou Univ, Coll Chem, Minist Educ, Key Lab Analyt Sci Food Safety & Biol, Fuzhou 350116, Fujian, Peoples R China;;[Liu, Guo Kun]Xiamen Univ, Coll Environm & Ecol, State Key Lab Marine Environm Sci, Xiamen 361002, Peoples R China

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Source :

ELECTROCHIMICA ACTA

ISSN: 0013-4686

Year: 2018

Volume: 281

Page: 323-328

5 . 3 8 3

JCR@2018

5 . 5 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:209

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 10

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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