Role of TiO2 Nanotube on Improvement of Performance of Hybrid Photovoltaic Devices

作     者：师全民 侯延冰 李研 冯志慧 刘小君 

作者机构：Key Laboratory of Luminescence and Optical Information (Ministry of Education) Institute of Optoelectronic Technology Beijing Jiaotong University Beijing 100044 

出 版 物：《Chinese Physics Letters》 (中国物理快报（英文版）)

年 卷 期：2009年第26卷第1期

页      面：272-275页

核心收录：

学科分类：081704[工学-应用化学] 07[理学] 070304[理学-物理化学(含∶化学物理)] 08[工学] 0817[工学-化学工程与技术] 0703[理学-化学] 

基　　金：Supported by the Trans-Century Training Programme for the Talents of Natural Science by the State Education Commission  Key Project of the Ministry of Education of China under Grant No 105041  the National Natural Science Foundation of China under Grant Nos 90401006  10434030 and 90301004  the National Basic Research Programme of China under Grant No 2003CB314707  the 111 Project (B08002)  and the Key Laboratory of Specially Functional Materials and Advanced Manufacturing Technology  South China University of Technology 

主　　题：TITANIUM dioxide NANOTUBES PHOTOVOLTAIC power generation HETEROJUNCTIONS PHOTOLUMINESCENCE ELECTRIC fields 

摘      要：The performance of TiO2 nanotubes in bulk heterojunction of poly （2-methoxy-5-（2＇-ethylhexyloxy）-1, 4-phenylenevinylene） （MEH-PPV）/TiO2 nanotubes is investigated. The transport properties are studied by using the time-of-flight technique （TOF）. The carrier mobilities of both holes and electrons are not improved for the MEH-PPV：TiO2 composites compared with the pristine MEH-PPV. However, photoluminescence under the influence of the electric field indicates that the dissociation of excitons in the MEH-PPV：TiO2 composites, which is facilitated by photoinduced charge transfer, only requires a smaller electric field.