Preparation of Selective Modified Electrode Based on β-CD Functionalized  Ordered Mesoporous Materials

Chem. J. Chinese Universities ›› 2011, Vol. 32 ›› Issue (9): 2210.

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Preparation of Selective Modified Electrode Based on β-CD Functionalized Ordered Mesoporous Materials

XU Shuai, ZHANG Xin, DUAN Shuo, XU Xiao-Meng, ZHOU Chang-Li*

School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China

Received:2011-03-28 Revised:2011-04-22 Online:2011-09-10 Published:2011-08-11
Contact: ZHOU Chang-Li E-mail:chm_zhoucl@ujn.edu.cn
Supported by:
国家自然科学基金(批准号: 21077044)和山东省自然科学基金(批准号: ZR2009BM034)资助.

Abstract

Abstract: A novel modified carbon paste electrode (CD-SBA15/CPE) with β-CD-functionalized SBA-15 mesoporous silica(CD-SBA15) were fabricated and characterized. The recognition mechanism of Nitrophenol , Chloronitrobenzene and Dihydroxybenzene isomers have been studied at the modified electrode using cyclic voltammetry (CV)and differential pulse voltammetries(DPV).The experiment results indicated that o-,m-,p-Nitrophenol , o-,p-Chloronitrobenzene and o-,p-Dihydroxybenzene isomers could be identified entirely at the CD-SBA15/CPE, respectively. The detection sensivity of CD-SBA15/CPE were increased resulting from the unique structure and chemical properties of SBA15, the anodic or cathodic peak resolution of the isomers electrochencal reaction products was increased resulting from the superamolecular recognition of β-CD. The modified electrode might be applied in the practical field.

Key words: β-CD; Functionalized SBA-15, Isomer; Modified electrode

CLC Number:

O657.3

TrendMD:

XU Shuai, ZHANG Xin, DUAN Shuo, XU Xiao-Meng, ZHOU Chang-Li*. Preparation of Selective Modified Electrode Based on β-CD Functionalized Ordered Mesoporous Materials[J]. Chem. J. Chinese Universities, 2011, 32(9): 2210.

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Preparation of Selective Modified Electrode Based on β-CD Functionalized Ordered Mesoporous Materials

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