TiO2 nanotube arrays formation in fluoride/ethylene glycol electrolyte containing LiOH or KOH as photoanode for dye-sensitized solar cell

被引：21
作者：
Nyein, Nyein [1 ,2 ]
Tan, Wai Kian [3 ]
Kawamura, Go [2 ]
Matsuda, Atsunori [2 ]
Lockman, Zainovia [1 ]
机构：
[1] Univ Sains Malaysia, Sch Mat & Mineral Resources Engn Campus, Green Elect NanoMat Grp, Nibong Tebal 14300, Penang, Malaysia
[2] Toyohashi Univ Technol, Dept Elect & Elect Informat Engn, Toyohashi, Aichi 4418580, Japan
[3] Toyohashi Univ Technol, Ctr Int Educ, Toyohashi, Aichi 4418580, Japan
来源：
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2017年 / 343卷
关键词：
Anodisation; TiO2 nanotube arrays; Dye-sensitized solar cells; ANATASE; TITANIA; CRYSTALLIZATION; TEMPERATURE;
D O I：
10.1016/j.jphotochem.2017.04.015
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The formation of TiO2 nanotube arrays by anodisation of Ti in fluoride/ethylene glycol (EG) electrolyte added to it lithium hydroxide (LiOH) or potassium hydroxide (KOH) at 60 V for 60 min was investigated. Highly ordered 15 mu m long TiO2 nanotubes (TNTs) were produced in LiOH/fluoride/EG and 18 pun long TNTs were obtained in KOH/fluoride/EG. The as-anodized TNTs in these alkaline electrolytes were found to be crystalline and obviously annealing increases the crystallinity. Annealed TNTs were used as a photoanode in a backside illuminated dye-sensitized solar cell (DSSC). Photoconversion efficiency, eta of 3% was achieved for sample with photoanode prepared in KOH/fluoride/EG higher than DSSC with TNTs photoanode fabricated in LiOH/fluoride/EG. (C) 2017 Published by Elsevier B.V.
引用
收藏
页码：33 / 39
页数：7
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