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author:

Wu, Ai-Hong (Wu, Ai-Hong.) [1] | Sun, Jian-Jun (Sun, Jian-Jun.) [2] (Scholars:孙建军) | Fang, Yi-Min (Fang, Yi-Min.) [3] | Zheng, Rui-Juan (Zheng, Rui-Juan.) [4] | Chen, Guo-Nan (Chen, Guo-Nan.) [5] (Scholars:陈国南)

Indexed by:

Scopus SCIE

Abstract:

Hot electron induced cathodic electrochemiluminescence (ECL) was observed at screen printed carbon electrodes (SPCEs) during pulse polarization. The thin insulating film resulted from the printing inks was found to be suitable for generating hot electrons, which can further be converted to hydrated electrons and induce the subsequent luminescence. Compared with disposable Al/Al2O3 electrode, SPCEs show more stable and reproducible ECL in a wider pH range without background emission. A sensitive ECL method for determination of quercetin is proposed. The detection limit is 8.0 x 10(-10) mol L-1 (S/N=3), which is two magnitudes lower than that of common ECL method.

Keyword:

Cathodic electrochemiluminescence (ECL). Screen printed carbon electrodes (SPCEs) Quercetin Ru(bpy)(3)(2+)

Community:

  • [ 1 ] [Sun, Jian-Jun]Fuzhou Univ, Minist Educ, Key Lab Anal & Detect Food Safety, Fuzhou 350108, Peoples R China
  • [ 2 ] [Sun, Jian-Jun]Fuzhou Univ, Dept Chem, Fujian Prov Key Lab Anal & Detect Food Safety, Fuzhou 350108, Peoples R China

Reprint 's Address:

  • 孙建军

    [Sun, Jian-Jun]Fuzhou Univ, Minist Educ, Key Lab Anal & Detect Food Safety, Fuzhou 350108, Peoples R China

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Source :

ELECTROANALYSIS

ISSN: 1040-0397

Year: 2010

Issue: 22

Volume: 22

Page: 2702-2707

2 . 7 2 1

JCR@2010

2 . 7 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 9

SCOPUS Cited Count: 10

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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