Enhancing photoresponsivity of self-powered UV photodetectors based on electrochemically reduced TiO2 nanorods

被引：7
作者：
Yan, Pengli [1 ,2 ]
Wu, Yihui [1 ,3 ]
Liu, Guiji [1 ,3 ]
Li, Ailong [1 ,3 ]
Han, Hongxian [1 ]
Feng, Zhaochi [1 ]
Shi, Jingying [1 ]
Gan, Yang [2 ]
Li, Can [1 ]
机构：
[1] Chinese Acad Sci, Dalian Natl Lab Clean Energy, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
[2] Harbin Inst Technol, Sch Chem Engn & Technol, Harbin 150001, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
RSC ADVANCES | 2015年 / 5卷 / 116期
基金：
中国国家自然科学基金;
关键词：
SENSITIZED SOLAR-CELLS; LAYER; NANOSTRUCTURES; PERFORMANCES; NANOCRYSTALS; NITRIDE;
D O I：
10.1039/c5ra18307c
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Electrochemically reduced TiO2 nanorod arrays (R-NRAs) have been used for the first time to construct a self-powered, visible light blind ultraviolet (UV) photodetector. The fabricated R-NRAs device demonstrated superior photodetector performance with high photon-to-current efficiency of up to 22.5% at an applied bias of 0 V. The enhancement is attributed to a disordered surface layer which greatly improves the charge separation and transfer efficiency at the electrode/electrolyte interface.
引用
收藏
页码：95939 / 95942
页数：4
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