A PMMA overlayer improving the surface-bound stability of photoanode for water splitting

被引：13
|
作者：
Zhang, Linlin [1 ]
Gao, Yan [1 ]
Ding, Xin [1 ,2 ]
机构：
[1] Dalian Univ Technol, State Key Lab Fine Chem, Inst Artificial Photosynth, DUT KTH Joint Educ & Res Ctr Mol Devices, Dalian 116024, Peoples R China
[2] Chinese Acad Sci, Qingdao Inst Bioenergy & Bioprec Technol, Qingdao 266101, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2016年 / 207卷
基金：
中国国家自然科学基金;
关键词：
Dye-sensitized photoelectrochemical cell; photoanode; water splitting; stability improvement; ARTIFICIAL PHOTOSYNTHESIS; ELECTRON-TRANSFER; PHOTOELECTROCHEMICAL CELLS; CATALYST; OXIDATION; COMPLEXES; BILAYER; DESIGN; FILMS;
D O I：
10.1016/j.electacta.2016.04.125
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A PMMA (polymethly methacrylate) oligomer coating photoanode sensitized with the Ru(bpy)3 phosphoric acid derivative 1 as photosensitizer and complex 2 as water oxidation catalyst was assembled for light driven water splitting. A simple and effective method was optimized by immersing the sensitized photoanode into the DCM solution dissolving 2 wt% PMMA for 15 s. With the decorated photoanode as working electrode, the DS-PEC displayed much better long-term stability, the photocurrent density of which was found to be 0.57 mA/cm(2) after 200 s sustaining light illumination and is four times as high as the undecorated one (0.15 mA/cm(2)). (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：130 / 134
页数：5
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