title: Visible light driven water splitting in a molecular device with unprecedentedly high photocurrent density.
abstract: A molecular water oxidation catalyst (2) has been synthesized and immobilized together with a molecular photosensitizer (1) on nanostructured TiO2 particles on FTO conducting glass, forming a photoactive anode (TiO2(1+2)). By using the TiO2(1+2) as working electrode in a three-electrode photoelectrochemical cell (PEC), visible light driven water splitting has been successfully demonstrated in a phosphate buffer solution (pH 6.8), with oxygen and hydrogen bubbles evolved respectively from the working electrode and counter electrode. By applying 0.2 V external bias vs NHE, a high photocurrent density of more than 1.7 mA·cm(-2) has been achieved. This value is higher than any PEC devices with molecular components reported in literature.
authors: State Key Laboratory of Fine Chemicals, Dalian University of Technology, DUT-KTH Joint Education and Research Center on Molecular Devices, Dalian 116024, China. dr.gaoyan@dlut.edu.cn
authors: Yan
authors: Y
authors: Gao
authors: Xin
authors: X
authors: Ding
authors: Jianhui
authors: J
authors: Liu
authors: Lei
authors: L
authors: Wang
authors: Zhongkai
authors: Z
authors: Lu
authors: Lin
authors: L
authors: Li
authors: Licheng
authors: L
authors: Sun