A dissolved oxygen sensor based on hot electron induced cathodic electrochemiluminescence at a disposable CdS modified screen-printed carbon electrode - Details

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Abstract：

Hot　electron　induced　cathodic　electrochemiluminescence　(ECL)　was　found　at　a　disposable　CdS　modified　screen　printed　carbon　electrodes　(CdS-SPCEs)　during　cathodic　pulse　polarization.　The　ECL　behavior　of　the　modified　electrode　was　investigated　with　two　emissions　located　at　520　nm　and　580　nm.　The　CdS-SPCEs　show　very　stable　and　reproducible　ECL　signal.　The　ECL　intensity　was　linear　with　the　dissolved　oxygen　concentration　in　the　range　of　1.7-33　mg/L　with　a　detection　limit　of　0.02　mg/L　(S/N　=　3).　In　addition,　a　possible　mechanism　for　ECL　behavior　of　the　modified　electrode　was　proposed.　The　developed　method　can　be　applied　to　detect　the　dissolved　oxygen　concentration　or　biochemical　oxygen　demand　(BOD).　©　2011　Elsevier　B.V.

Keyword：

Cathodic electrochemiluminescence; CdS nanoparticles; Dissolved oxygen; Screen printed carbon electrodes

Community：

[ 1 ] [Zheng, R.-J.]Key Laboratory of Analysis and Detection for Food Safety (Ministry of Education), Department of Chemistry, Fuzhou University, Fuzhou 350108, China
[ 2 ] [Fang, Y.-M.]Key Laboratory of Analysis and Detection for Food Safety (Ministry of Education), Department of Chemistry, Fuzhou University, Fuzhou 350108, China
[ 3 ] [Qin, S.-F.]Key Laboratory of Analysis and Detection for Food Safety (Ministry of Education), Department of Chemistry, Fuzhou University, Fuzhou 350108, China
[ 4 ] [Song, J.]Key Laboratory of Analysis and Detection for Food Safety (Ministry of Education), Department of Chemistry, Fuzhou University, Fuzhou 350108, China
[ 5 ] [Wu, A.-H.]Key Laboratory of Analysis and Detection for Food Safety (Ministry of Education), Department of Chemistry, Fuzhou University, Fuzhou 350108, China
[ 6 ] [Sun, J.-J.]Key Laboratory of Analysis and Detection for Food Safety (Ministry of Education), Department of Chemistry, Fuzhou University, Fuzhou 350108, China

Reprint 's Address：

[Sun, J.-J.]Key Laboratory of Analysis and Detection for Food Safety (Ministry of Education), Department of Chemistry, Fuzhou University, Fuzhou 350108, China

Email：

jjsun@fzu.edu.cn

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Source ：

Sensors and Actuators, B: Chemical

ISSN： 0925-4005

Year： 2011

Issue： 2

Volume： 157

Page： 488-493

3 . 8 9 8

JCR@2011

6 . 3 9 3

JCR@2018

JCR Journal Grade：1

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 49

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Chinese Cited Count：

30 Days PV： 3

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