Mesoporous platinum hosts for electrode∣liquid∣liquid – Triple phase boundary redox systems
Mesoporous platinum hosts for electrode∣liquid∣liquid – Triple phase boundary redox systems
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用于电极∣液体∣液体的介孔铂主体 – 三相边界氧化还原系统
DOI：
10.1016/j.elecom.2005.09.013
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发表时间：
2005
影响因子：
5.4
通讯作者：
F. Marken
中科院分区：
文献类型：
--
作者：
M. Ghanem;F. Marken
介孔金属主体是用于复杂电极反应的有吸引力的电极材料，例如涉及两种不混溶液体的系统的那些。在这里，我们表明，四苯基卟啉锰（MnTPP）在4-（3-苯丙）-吡啶（PPP）有机液体的溶液可以固定到介孔铂薄膜电沉积从液晶模板。当浸入水溶液中时，有机液体保持固定在介孔铂框架内。良好定义的，稳定的，和可重复的离子转移伏安图记录。研究了介孔铂膜厚度（体积）、扫描速率和水电解质阴离子类型（Cl-、PF 6-、ClO 4-、CN-、SCN-和NO3-）的影响。介孔铂被认为是一种非常有效的电极材料，用于液体阴离子传感和电化学驱动的液体氧化还原系统的其他应用。
Mesoporous metal hosts are attractive electrode materials for complex electrode reactions, for example those involving a system of two immiscible liquids. Here we show that a solution of tetraphenylporphyrianto manganese (MnTPP) in 4-(3-phenylpropyl)-pyridine (PPP) organic liquid can be immobilized into mesoporous platinum thin films electrodeposited from a liquid crystalline template. When immersed in an aqueous solution, the organic liquid remains immobilized inside the mesoporous platinum framework. Well-defined, stable, and reproducible ion transfer voltammograms are recorded. The effects of mesoporous platinum membrane thickness (volume), scan rate, and the type of aqueous electrolyte anion (for Cl−, PF6-, ClO4-, CN−, SCN−and NO3-) are investigated. Mesoporous platinum is proposed as a very effective electrode material for liquid∣liquid anion sensing and for other applications of electrochemically driven liquid∣liquid redox systems.