Discrete reductive charging of immobilized gold nanoclusters in aqueous media
Discrete reductive charging of immobilized gold nanoclusters in aqueous media
复制标题
水介质中固定金纳米团簇的离散还原充电
DOI:
10.1016/j.elecom.2011.03.031
复制
发表时间:
2011-06
影响因子:
5.4
通讯作者:
Su, Bin
中科院分区:
文献类型:
--
作者:
Li, Wanzhen;Wang, Dan;Su, Bin
Multilayer films consisting of monolayer-protected gold nanoclusters (MPCs) coated on electrode surfaces and immersed in aqueous media were investigated to elucidate the suppression of the reductive charging. On the use of water-soluble electrolytes featuring a lipophilic cation, discrete reductive charging of MPC films was unambiguously observed. It was proved to be tightly concomitant with the cation transfer at the film/solution interface by the cation concentration dependence and electrochemical quartz crystal microbalance measurements. From this study, it was rationalized that the inadequate lipophilic cations used in previous works accounted for the suppression of reductive charging current.
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DOI:
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ChemInform
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