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基于二胺催化剂的染料敏感化H2演变光阴极的共价设计

Nicolas Kaeffer¹, Julien Massin¹, Colette Lebrun²

¹Laboratory of Chemistry and Biology of Metals; Université Grenoble Alpes, CNRS UMR 5249; Commissariat à l'Energie Atomique et aux Energies Alternatives (CEA), 17 rue des Martyrs, Grenoble 38000 France.

Journal of the American Chemical Society

|September 6, 2016

概括

无贵金属染料敏感的光电化学电池 (DS-PEC) 能够有效地生产太阳能燃料. 本研究介绍了一种新型的共价染料催化剂组件,用于使用NiO电极进行可见光驱动的进化.

科学领域:

材料科学
电化学
可再生能源

背景情况:

染料敏感的光电化学电池 (DS-PEC) 是通过水分裂储存太阳能的一种有前途的途径.
有效的太阳能燃料生产依赖于从光电极到催化点的单向电子转移.
目前的DS-PEC系统通常使用昂贵的贵金属,缺乏强大的染料催化剂集成.

研究的目的:

开发一种新的,经济高效的,无贵金属的染料催化剂组件,用于光电化学分水.
调查可见光驱动进化的共价染料催化剂系统的性能.
证明使用p型NiO作为此类系统的电极基板的可行性.

主要方法:

无贵金属的共价染料催化剂组件的制造.
将组件移植到p型氧化 (NiO) 电极基板上.
在轻度酸性水的条件下在可见光照射下进行光电化学测量,以评估H2的演变.

主要成果:

开发的共价染料催化剂组件实现了光电化学 (H2) 演化.
该系统在可见光下在轻微酸性水中有效运行.
这代表了第一个无贵金属和共价连接的染料催化剂系统,用于NiO上的H2进化.

结论:

没有贵金属的共价染料催化剂组件可用于高效的太阳能燃料生产.
展示的系统有助于开发具有成本效益的染料敏感的光电化学电池,用于水分离.
这项工作为可扩展的太阳能储能解决方案铺平了道路.

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