Phosphonate-functionalized three-dimensional gold nanocomposite as a sensitive interface for facile electrochemical stripping detection of trace copper(II) ions
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- 作者：Juan Bai ; Yaoxia Chen ; Pan Li ; Dongmei Sun ; sundongmei@njnu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Yawen Tang
- 关键词：Copper ions ; Phosphonic groups ; Three-dimensional gold electrode ; Self-assembled monolayer ; Differential pulse anodic stripping detection
- 刊名：Journal of Electroanalytical Chemistry
- 出版年：2015
- 出版时间：1 October 2015
- 年：2015
- 卷：754
- 期：Complete
- 页码：1-7
- 全文大小：875 K
文摘
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Nano-branched gold with interconnected hierarchical porous structure is prepared.
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Functional monolayer of less densely packed 3-mercaptopropylphosphonic acid is built.
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Designed sensing interface exhibits excellent performance to trace Cu(II) detection.
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Proposed protocol gives insight for design of 3D nanostructure with specific sensing.