title: Enhancement in dye-sensitized solar cells based on MgO-coated TiO(2) electrodes by reactive DC magnetron sputtering.
abstract: A surface modification method was carried out by reactive DC magnetron sputtering to fabricate TiO(2) electrodes coated with insulating MgO for dye-sensitized solar cells. The MgO-coated TiO(2) electrode had been characterized by x-ray photoelectron spectroscopy (XPS), energy-dispersive x-ray spectroscopy (EDX), scanning electron microscopy (SEM), UV-vis spectrophotometer, cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). The study results revealed that the TiO(2) modification increases dye adsorption, decreases trap states and suppresses interfacial recombination. The effects of sputtering MgO for different times on the performance of DSSCs were investigated. It indicated that sputtering MgO for 3 min on TiO(2) increases all cell parameters, resulting in increasing efficiency from 6.45% to 7.57%.
authors: Department of Electronical Science and Technology, School of Physical Science and Technology, Key Laboratory of Acoustic and Photonic Materials and Devices of Ministry of Education, Wuhan University, Wuhan 430072, People's Republic of China.
authors: Sujuan
authors: S
authors: Wu
authors: Hongwei
authors: H
authors: Han
authors: Qidong
authors: Q
authors: Tai
authors: Jing
authors: J
authors: Zhang
authors: Sheng
authors: S
authors: Xu
authors: Conghua
authors: C
authors: Zhou
authors: Ying
authors: Y
authors: Yang
authors: Hao
authors: H
authors: Hu
authors: Bolei
authors: B
authors: Chen
authors: Bobby
authors: B
authors: Sebo
authors: Xing-Zhong
authors: XZ
authors: Zhao