聚苯胺纳米点的氧化还原态与其库仑台阶效应 |
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引用本文: | 周剑章,翁少煌,林仲华.聚苯胺纳米点的氧化还原态与其库仑台阶效应[J].电化学,2009,15(3):241-244. |
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作者姓名: | 周剑章 翁少煌 林仲华 |
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作者单位: | 厦门大学固体表面物理化学国家重点实验室,化学化工学院,福建,厦门,361005;厦门大学固体表面物理化学国家重点实验室,化学化工学院,福建,厦门,361005;厦门大学固体表面物理化学国家重点实验室,化学化工学院,福建,厦门,361005 |
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基金项目: | 国家自然科学基金;福建省自然科学基金 |
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摘 要: | 应用电化学恒电位法结合模板法制备聚苯胺纳米点阵列,导电原子力显微镜研究处于不同氧化还原态的聚苯胺纳米点的I~V特性,发现只有处于部分氧化态(导电态)的聚苯胺纳米点才出现库仑台阶效应,还原和全氧化态聚苯胺纳米点不显示库仑台阶.初步探讨了上述现象.
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关 键 词: | 聚苯胺纳米点 氧化还原态 库仑台阶效应 |
收稿时间: | 2009-08-28 |
Redox State of Polyaniline Nanodot and its Coulomb Staircase Effect |
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Abstract: | Polyaniline nanodot array had been fabricated in AAO template with potentiostatic method and the I~V characteristics of nanodots with different redox states were measured by conducting atomic force microscope (C-AFM) in atmosphere at room temperature. We found that only nanodots in partial oxidation state exhibit coulomb staircase in the I~V curves,while those in the full oxidation state and reduced state do not. The above phenomena were discussed preliminarily. |
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Keywords: | PANI nanodot redox state Coulomb staircase effect |
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