Enhanced Efficiency of Dye-sensitized Solar Cells Using rGO@TiO2 Nanotube Hybrids  

作　　者：LIU Rui QIAO Yingjie SONG Yingjin SONG Kehan LIU Chuan 

机构地区：[1]School of Science, Harbin University of Commerce, Harbin 150076, P. R. China [2]College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, P R. China [3]Department of Chemistry, Harbin University, Harbin 150050, P. R. China [4]Department of Chemistry, Qiqihar University, Qiqihar 161006, P. R. China

出　　处：《Chemical Research in Chinese Universities》2018年第2期269-273,共5页高等学校化学研究（英文版）

摘　　要：We established a novel strategy for the synthesis of reduced graphene oxide（rGO）@TiO2 nanotube hybrids using an 18 W UV-assisted photo-catalytic reduction method for utilization as photo-anode of dye-sensitized solar cells（DSSCs）. The photo-conversion efficiency of DSSCs was significantly enhanced after the addition of rGO, and in addition, the photo-anode showed decreased internal resistance. Analysis of rGO@TiO2 hybrids by transmissions scanning electron microscopy（TEM）, X-ray diffraction（XRD）, Raman spectra, N2 adsorption and desorption, atomic force microscopy（AFM） and X-ray photoelectron speetroscopy（XPS） demonstrates that the rGO modified TiO2 nanotubes can increase the short-circuit current and the conversion efficiency of dye-sensitized solar cells. The efficiency is improved by almost two folds as much compared to those of the bare TiO2 nanotubes.We established a novel strategy for the synthesis of reduced graphene oxide（rGO）@TiO2 nanotube hybrids using an 18 W UV-assisted photo-catalytic reduction method for utilization as photo-anode of dye-sensitized solar cells（DSSCs）. The photo-conversion efficiency of DSSCs was significantly enhanced after the addition of rGO, and in addition, the photo-anode showed decreased internal resistance. Analysis of rGO@TiO2 hybrids by transmissions scanning electron microscopy（TEM）, X-ray diffraction（XRD）, Raman spectra, N2 adsorption and desorption, atomic force microscopy（AFM） and X-ray photoelectron speetroscopy（XPS） demonstrates that the rGO modified TiO2 nanotubes can increase the short-circuit current and the conversion efficiency of dye-sensitized solar cells. The efficiency is improved by almost two folds as much compared to those of the bare TiO2 nanotubes.

关 键 词：TiO2 nanotube array  Reduced graphene oxide（rGO） Hybrid Dye-sensitized solar eell（DSSC） 

分 类 号：TN16[电子电信—物理电子学] TM914.4[电气工程—电力电子与电力传动]