Redox-active microsized metal-organic framework for efficient nonenzymatic H2O2 sensing
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- 作者：Daojun ZhangAuthor Vitae ; Jingchao ZhangAuthor Vitae ; Huaizhong ShiAuthor Vitae ; Xiuli GuoAuthor Vitae ; Yuanyuan GuoAuthor Vitae ; Renchun ZhangAuthor Vitae ; Baiqing Yuan ; baiqingyuan1981@126.com" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae
- 关键词：Metal-organic frameworks ; Hydrogen peroxide ; Nonenzymatic sensor ; Electrocatalysis ; 2 ; 5-Dihydroxyterephthalic acid
- 刊名：Sensors & Actuators: B. Chemical
- 出版年：2015
- 出版时间：31 December 2015
- 年：2015
- 卷：221
- 期：Complete
- 页码：224-229
- 全文大小：1912 K
文摘
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Redox-active Co-based metal-organic framework micro-rods were synthesized by using electroactive 2,5-dihydroxyterephthalic acid (DOBDC) ligand.
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The as-prepared Co/DOBDC micro-rods exhibit high uniformity, which shows well redox behavior in pH 4.0 acetate buffer.
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The Co/DOBDC micro-rods modified carbon paste electrode (CPE) present excellent electrocatalytic activity toward H2O2 reduction.
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Nonenzymatic H2O2 sensor based on the Co/DOBDC micro-rods was first demonstrated for the electrochemical detection of H2O2, which showed high stability, good repeatability, low detection limit, and wide linear range.