标题：Fe(III) doped and grafted PbTiO3 film photocathode with enhanced photoactivity for hydrogen production

作者：Yuxiang Hu, Wen Dong, Fengang Zheng, Liang Fang, and Mingrong Shen

论文摘要：The photoelectrochemical activity of the PbTiO3film photocathode deposited on indium tin oxidecoated quartz substrate was significantly improved through modifying the film surface by both the
Fe(III) doping and grafting. Doping the PbTiO3with Fe(III) ions narrows its band gap thus
increases the visible light utilization, while the surface-grafted Fe(III) ions on the doped PbTiO3
surface are helpful to improve the charge transfer on the photocathode/electrolyte interface.
Consequently, the photocurrent was increased from 38lA/cm2to 220lA/cm2under the irradiation
of 100 mW/cm2Xe lamp by using 0.1M Na2SO4as an electrolyte and zero-potential versus saturated calomel as a reference electrode. The corresponding increase in open circuit voltage was 0.95�C1.11 V.

原文链接：http://dx.doi.org/10.1063/1.4894097