Preparation and characterization of TiO_(2) photoelectrode codoped with aluminum and boron and its application in dye-sensitized solar cell  

作　　者：CHENG Xiaoling ZENG Peng HU Shejun KUANG Tongchun XIE Guangrong GAO Feng 

机构地区：[1]School of Chemical Engineering and Light Industry,Guangdong University of Technology,Guangzhou 510006,China [2]School of Materials and Energy Sources,Guangdong University of Technology,Guangzhou 510006,China [3]School of Physics and Telecommunication Engineering,South China Normal University,Guangzhou 510631,China [4]Analytical and Testing Center,South China University of Technology,Guangzhou 510640,China

出　　处：《Rare Metals》2006年第z1期190-194,共5页稀有金属(英文版)

基　　金：This work was financially supported by Chinese NSFC(No.50271019);the Guangdong Science and Technology Project(No.2004B10301032);the Natural Science Foundation of Guangdong(No.20030025).

摘　　要：Nanocrystalline titania films codoped with aluminum and boron were prepared by cathodic vacuum arc deposition.In the process,titanium alloy target was used under an O_(2) /Ar atmosphere,and sensitization of films were carried out by natural dye-sensitized complex in anhydrous ethanol.The structure,surface morphology and UV-vis spectra of titania films codoped were measured by X-ray diffraction analysis,scanning electron microscopy and ultraviolet-visible spectrometer.The as-deposited films are found to be amorphous.The films annealed were examined to be of anatase structure with orientation along the(101)planes,the average crystal size is in the range between 41 and 45 nm.SEM results show that there are some pores in the codoped titania films,the optical properties of the dye-sensitized films were also measured which reveals that the spectral responses of films shift to the visible region.Under simulated sunlight illumination,the overall energy conversion efficiency of dye-sensitized nanocrystalline solar cell is 0.9%.

关 键 词：TiO_(2)film doped dye-sensitized solar cells photoelectric property 

分 类 号：TG146.4[一般工业技术—材料科学与工程]