Mesoporous platinum films from lyotropic liquid crystalline phases
Mesoporous platinum films from lyotropic liquid crystalline phases
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DOI：
10.1126/science.278.5339.838
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发表时间：
1997-10-31
期刊：
影响因子：
56.9
通讯作者：
Wang, JH
中科院分区：
文献类型：
--
作者：
Attard, GS;Bartlett, PN;Wang, JH
表面活性剂的溶致液晶相表现出丰富的多晶型结构，具有长程周期性，其特征重复距离范围为2至15纳米。铂帆局限于这些阶段的水环境的电化学还原导致铂膜的沉积，具有明确的长程多孔纳米结构和高比表面积。这些结果表明，使用液晶电镀溶液可以是一种通用的方式来创建用于电池，燃料电池，电化学电容器和传感器的介孔电极。
The lyotropic liquid crystalline phases of surfactants exhibit a rich polymorphism of structures that have long-range periodicities and whose characteristic repeat distances range from 2 to 15 nanometers. The electrochemical reduction of platinum sails confined to the aqueous environments of these phases leads to the deposition of platinum films that have a well-defined long-ranged porous nanostructure and high specific surface areas. These results suggest that the use of liquid crystalline plating solutions could be a versatile way to create mesoporous electrodes for batteries, fuel cells, electrochemical capacitors, and sensors.