Electrodeposition of polypyrrole–Au nanoparticles composite from one solution containing gold salt and monomer
Electrodeposition of polypyrrole–Au nanoparticles composite from one solution containing gold salt and monomer
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DOI：
10.1016/j.elecom.2010.02.015
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发表时间：
2010-05
影响因子：
5.4
通讯作者：
Tomasz Rapecki;M. Donten;Z. Stojek
中科院分区：
文献类型：
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作者：
Tomasz Rapecki;M. Donten;Z. Stojek
报道了一种制备聚合物/金属纳米粒子复合材料的简便方法。KAu（CN）2和吡咯在中等pH值的溶液中不发生反应（氧化还原反应）。金络合物由于其惰性，在10μM CN−存在下可稳定数周。因此，通过施加0.75和− 1.6 V的电位序列，可以在一种溶液中在石墨表面上电沉积受控量的聚吡咯和Au纳米颗粒。两种组分的脉冲沉积导致Au纳米晶的层平滑度和均匀分布的实质性改善。
An easy method of preparation of polymer/metal–nanoparticle composites is reported. KAu(CN)2and pyrrole do not react (redox reaction) in solutions of moderate pH. The gold complex, due to its inertness, is stable in the presence of 10μM CN−for weeks. Therefore the electrodeposition of controlled amounts of polypyrrole and Au nanoparticles on the graphite surface can be done in one solution by applying a sequence of 0.75 and −1.6V potentials. Pulse deposition of both components leads to substantial improvement of the layer smoothness and homogenous distribution of Au nanocrystallites.