Photoelectrochemical performance of CdTe sensitized TiO2 nanotube array photoelectrodes

被引：52

作者：

Wang, Qingyao ^{[1
]}

Yang, Xiuchun ^{[1
]}

Chi, Lina ^{[1
]}

Cui, Miaomiao ^{[1
]}

机构：

[1] Tongji Univ, Sch Mat Sci & Engn, Shanghai 201804, Peoples R China

来源：

ELECTROCHIMICA ACTA | 2013年 / 91卷

基金：

中国国家自然科学基金;

关键词：

CdTe quantum dots; TiO2 nanotube arrays; Successive ionic layer adsorption and reaction; Photoelectrochemical property; Photocorrosion; SOLAR-CELLS; TRANSFORMATION; PHOTORESPONSE; MORPHOLOGY; RANGE; TUBES; AG;

D O I：

10.1016/j.electacta.2012.12.117

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

CdTe and ZnS quantum dots sensitized TiO2 nanotube array photoelectrodes were prepared by depositing CdTe and ZnS QDs on the tube walls of the self-organized TiO2 NTs using successive ionic layer adsorption and reaction (SILAR) technique. The deposition of CdTe and ZnS on the upper and inner surface of the TiO2 NTs was confirmed by field emission scanning electron (FE-SEM) and transmission electron microscopes (TEM). The obtained results indicated that TiO2 NTs photoelectrodes sensitized by CdTe quantum dots for 5 cycles exhibited excellent photoelectrochemical properties, with an open-circuit voltage of 0.95 V and a short circuit current density of 11.15 mA cm(-2), and ZnS coating protected the photoelectrodes against photocorrosion. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：330 / 336

页数：7

共 30 条

[21] TiO2 Nano Test Tubes as a Self-Cleaning Platform for High-Sensitivity Immunoassays [J].

Song, Yan-Yan ;

Schmidt-Stein, Felix ;

Berger, Steffen ;

Schmuki, Patrik .

SMALL, 2010, 6 (11) :1180-1184

[22] TiO2 Nanotubes with Tunable Morphology, Diameter, and Length: Synthesis and Photo-Electrical/Catalytic Performance [J].

Wang, Daoai ;

Liu, Ying ;

Yu, Bo ;

Zhou, Feng ;

Liu, Weimin .

CHEMISTRY OF MATERIALS, 2009, 21 (07) :1198-1206

[23] Freestanding TiO2 nanotube arrays with ultrahigh aspect ratio via electrochemical anodization [J].

Wang, Jun ;

Lin, Zhiqun .

CHEMISTRY OF MATERIALS, 2008, 20 (04) :1257-1261

[24] Ag and CdS nanoparticles co-sensitized TiO2 nanotubes for enhancing visible photoelectrochemical performance [J].

Wang, Qingyao ;

Yang, Xiuchun ;

Liu, Dan ;

Chi, Lina ;

Hou, Junwei .

ELECTROCHIMICA ACTA, 2012, 83 :140-145

[25] Fabrication, characterization and photocatalytic properties of Ag nanoparticles modified TiO2 NTs [J].

Wang, Qingyao ;

Yang, Xiuchun ;

Liu, Dan ;

Zhao, Jianfu .

JOURNAL OF ALLOYS AND COMPOUNDS, 2012, 527 :106-111

[26] Synthesis of N-doped TiO2 mesosponge by solvothermal transformation of anodic TiO2 nanotubes and enhanced photoelectrochemical performance [J].

Wang, Qingyao ;

Yang, Xiuchun ;

Wang, Xuelai ;

Huang, Min ;

Hou, Junwei .

ELECTROCHIMICA ACTA, 2012, 62 :158-162

[27] Formation of nanotubes TiO2 from layered titanate particles by a soft chemical process [J].

Wei, MD ;

Konishi, Y ;

Zhou, HS ;

Sugihara, H ;

Arakawa, H .

SOLID STATE COMMUNICATIONS, 2005, 133 (08) :493-497

[28] Synthesis and morphology of TiO2 nanotube arrays by anodic oxidation using modified glycerol-based electrolytes [J].

Yin, Yuxin ;

Jin, Zhengguo ;

Hou, Feng ;

Wang, Xu .

JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 2007, 90 (08) :2384-2389

[29] Experimental determination of the extinction coefficient of CdTe, CdSe, and CdS nanocrystals [J].

Yu, WW ;

Qu, LH ;

Guo, WZ ;

Peng, XG .

CHEMISTRY OF MATERIALS, 2003, 15 (14) :2854-2860

[30] Toward highly efficient CdS/CdSe quantum dots-sensitized solar cells incorporating ordered photoanodes on transparent conductive substrates [J].

Zhang, Quanxin ;

Chen, Guoping ;

Yang, Yueyong ;

Shen, Xi ;

Zhang, Yiduo ;

Li, Chunhui ;

Yu, Richeng ;

Luo, Yanhong ;

Li, Dongmei ;

Meng, Qingbo .

PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2012, 14 (18) :6479-6486

← 1 2 3 →