NiO-TiO2纳米管阵列异质结电极的制备及光电化学性能

J4 ›› 2011, Vol. 49 ›› Issue (06): 1124-1130.

NiO-TiO₂纳米管阵列异质结电极的制备及光电化学性能

孙大春¹, 王丽萍², 郭进³, 李伊荇³, 李明辉³, 付乌有³, 杨海滨³

1. 白城师范学院教育技术系, 吉林白城 137000|2. 白城师范学院物理系, 吉林白城 137000|3. 吉林大学超硬材料国家重点实验室, 长春 130012

收稿日期:2010-11-27 出版日期:2011-11-26 发布日期:2011-11-28
通讯作者: 杨海滨 E-mail:yanghb@jlu.edu.cn

Preparation and Photoelectrochemical Property of |NiO/TiO₂ Nanotube Arrays Heterojunction Electrode

SUN Da chun¹, WANG Li ping², GUO Jin³, LI Yi xing³, LI Ming hui³, FU Wu you³, YANG Hai bin^3

1. Department of Educational Technology, Baicheng Normal University, Baicheng 137000, Jilin Province, China|2. Department of Physics, Baicheng Normal University, Baicheng 137000, Jilin Province, China|3. State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, China

Received:2010-11-27 Online:2011-11-26 Published:2011-11-28
Contact: YANG Hai bin E-mail:yanghb@jlu.edu.cn

摘要/Abstract

摘要：

采用阳极氧化方法在金属钛表面制备TiO₂纳米管阵列, 管内径为60~90 nm, 壁厚约为15 nm, 长度为600 nm, 通过化学镀Ni并结合空气中热处理过程, 在TiO₂表面生长出NiO纳米颗粒层, 厚度约为200 nm, 颗粒尺寸为20~40 nm, 获得异质结型NiO-TiO₂纳米管阵列复合电极. 结果表明, 在100 mW/cm2的辐照下, 该光阳极可提高其光电化学特性. 在0.65 V偏压时的光电流密度和光电转换效率分别为3.05 mA/cm2和1.41％.

关键词: TiO₂纳米管阵列, NiO-TiO₂异质结电极, 紫外-可见光吸收, 光电化学性质

Abstract:

TiO₂ nanotube arrays were prepared by means of anodizing method on the surface of titanium films. The packed n\|type TiO₂ tubes have an inner pore diameter of 60—90 nm, a wall thickness of approximately 15 nm and a length of 600 nm. The NiO/TiO₂heterojunction electrode was synthesized by means of electroless plating and annealing which resulted in TiO₂ nanotube arrays coated with a layer (about 200 nm in thickness) of NiO particles (20—40 nm). The results show that NiO/TiO₂ heterojunction electrode enhanced photoelectrochemical property under 100 mW/cm2 irradiation. The photocurrent density is 3.05 mA/cm2, and photoelectricity conversion efficiency is 1.41％ at a bias voltage of 0.65 V.

Key words: TiO₂ nanotube arrays, NiO/TiO₂ heterojunction electrode, UV-Vis absorbance, photoelectrochemical property

中图分类号:

TB383

孙大春, 王丽萍, 郭进, 李伊荇, 李明辉, 付乌有, 杨海滨. NiO-TiO₂纳米管阵列异质结电极的制备及光电化学性能[J]. J4, 2011, 49(06): 1124-1130.

SUN Da-Chun, WANG Li-Ping, GUO Jin, LI Yi-Xing, LI Meng-Hui, FU Wu-Wei, YANG Hai-Bin-. Preparation and Photoelectrochemical Property of |NiO/TiO₂ Nanotube Arrays Heterojunction Electrode[J]. J4, 2011, 49(06): 1124-1130.

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NiO-TiO₂纳米管阵列异质结电极的制备及光电化学性能

Preparation and Photoelectrochemical Property of |NiO/TiO₂ Nanotube Arrays Heterojunction Electrode

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