Facile fabrication of Si-doped TiO2 nanotubes photoanode for enhanced photoelectrochemical hydrogen generation

被引：23
作者：
Dong, Zhenbiao [1 ]
Ding, Dongyan [1 ]
Li, Ting [1 ]
Ning, Congqin [2 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Inst Elect Mat & Technol, Shanghai 200240, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2018年 / 436卷
基金：
中国国家自然科学基金;
关键词：
Ti-Si alloys; Anodization; Si doping; TiO2; nanotubes; Photoelectrochemical water splitting; DOT SOLAR-CELLS; PHOTOCATALYTIC ACTIVITY; VISIBLE-LIGHT; NANOWIRE ARRAYS; THIN-FILMS; WATER; PHOTOACTIVITY; EFFICIENCY; ELECTRODE; SEMICONDUCTOR;
D O I：
10.1016/j.apsusc.2017.12.030
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：
Photoelectrochemical (PEC) water splitting based doping modified one dimensional (1D) titanium dioxide (TiO2) nanostructures provide an efficient method for hydrogen generation. Here we first successfully fabricated 1D Si-doped TiO2 (Ti-Si-O) nanotube arrays through anodizing Ti-Si alloys with different Si amount, and reported the PEC properties for water splitting. The Ti-Si-O nanotube arrays fabricated on Ti-5 wt.% Si alloy and annealed at 600 degrees C possess higher PEC activity, yielding a higher photocurrent density of 0.83 mA/cm(2) at 0 V vs. Ag/AgCl. The maximum photoconversion efficiency was 0.54%, which was 2.7 times the photoconversion efficiency of undoped TiO2. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：125 / 133
页数：9
相关论文
共 57 条
  • [1] Enhanced Photoassisted Water Electrolysis Using Vertically Oriented Anodically Fabricated Ti-Nb-Zr-O Mixed Oxide Nanotube Arrays
    Allam, Nageh K.
    Alamgir, Faisal
    El-Sayed, Mostafa A.
    [J]. ACS NANO, 2010, 4 (10) : 5819 - 5826
  • [2] Visible-light photocatalysis in nitrogen-doped titanium oxides
    Asahi, R
    Morikawa, T
    Ohwaki, T
    Aoki, K
    Taga, Y
    [J]. SCIENCE, 2001, 293 (5528) : 269 - 271
  • [3] Solid-state dye-sensitized mesoporous TiO2 solar cells with high photon-to-electron conversion efficiencies
    Bach, U
    Lupo, D
    Comte, P
    Moser, JE
    Weissörtel, F
    Salbeck, J
    Spreitzer, H
    Grätzel, M
    [J]. NATURE, 1998, 395 (6702) : 583 - 585
  • [4] Enhanced photoactivity and anatase thermal stability of silica-alumina mixed oxide additives on sot-gel nanocrystalline titania
    Baiju, K. V.
    Periyat, P.
    Pillai, P. Krishna
    Mukundan, P.
    Warrier, K. G. K.
    Wunderlich, W.
    [J]. MATERIALS LETTERS, 2007, 61 (8-9) : 1751 - 1755
  • [5] Synthesis of Coupled Semiconductor by Filling 1D TiO2 Nanotubes with CdS
    Banerjee, Subarna
    Mohapatra, Susanta K.
    Das, Prajna P.
    Misra, Mano
    [J]. CHEMISTRY OF MATERIALS, 2008, 20 (21) : 6784 - 6791
  • [6] Electrochemical Impedance Spectroscopy of Porous TiO2 for Photocatalytic Applications
    Baram, Nir
    Ein-Eli, Yair
    [J]. JOURNAL OF PHYSICAL CHEMISTRY C, 2010, 114 (21) : 9781 - 9790
  • [7] Cai H., 2014, APPL PHYS LETT, V104
  • [8] Photocatalytic and superhydrophilicity properties of N-doped TiO2 nanothin films
    Chekini, M.
    Mohammadizadeh, M. R.
    Allaei, S. M. Vaez
    [J]. APPLIED SURFACE SCIENCE, 2011, 257 (16) : 7179 - 7183
  • [9] Titanium dioxide nanomaterials: Synthesis, properties, modifications, and applications
    Chen, Xiaobo
    Mao, Samuel S.
    [J]. CHEMICAL REVIEWS, 2007, 107 (07) : 2891 - 2959
  • [10] Ni-Doped Overlayer Hematite Nanotube: A Highly Photoactive Architecture for Utilization of Visible Light
    Cheng, Weiren
    He, Jingfu
    Sun, Zhihu
    Peng, Yanhua
    Yao, Tao
    Liu, Qinghua
    Jiang, Yong
    Hu, Fengchun
    Xie, Zhi
    He, Bo
    Wei, Shiqiang
    [J]. JOURNAL OF PHYSICAL CHEMISTRY C, 2012, 116 (45) : 24060 - 24067
123456