Département de Chimie Moléculaire, UMR CNRS-5250, Institut de Chimie Moléculaire de Grenoble, FR CNRS-2607, Université Joseph Fourier Grenoble1 , BP 53, 38041 Grenoble Cedex 9, France.
ACS Appl Mater Interfaces. 2015 Mar 4;7(8):4476-80. doi: 10.1021/acsami.5b00401. Epub 2015 Feb 19.
The development of photoelectrochemical devices for solar light-driven water splitting and H2 production requires new strategies for the fabrication of materials that combine the necessary photoredox and catalytic properties, to allow the hydrogen evolution reaction (HER) to take place at a low overvoltage under visible light irradiation. We report the first example of a structured composite, synthesized by electrodeposition of MoSx cocatalyst into a photosensitive Ru complex film deposited onto carbon electrodes by electropolymerization of a pyrrole-functionalized Ru(II)(2,2'-bipyridine)3(2+). Composite films show efficient photocatalytic activity for HER. Our study highlights the great simplicity of this versatile electrochemical procedure to synthesize photocathodes.
光电化学器件的发展需要用于太阳能驱动水分解和 H2 生产的新策略，以制造出结合必要的光氧化还原和催化性能的材料，从而在可见光照射下以低过电压进行析氢反应 (HER)。我们报告了首例结构复合的例子，该复合通过电沉积 MoSx 共催化剂到通过电聚合吡咯功能化 Ru(II)(2,2'-联吡啶)3(2+)在碳电极上沉积的光敏 Ru 配合物薄膜中合成。复合薄膜对 HER 表现出有效的光催化活性。我们的研究强调了这种多功能电化学方法合成光阴极的极大简便性。
