Citation: ZHAO Yi-Ming, YANG Ji-Kai, MA Fu-Zhe, CHEN Zhang-Xiao-Xiong, WEI Zi-Juan, ZHANG Yu-Fei, CHENG Ming, YANG Xue, XIAO Nan, WANG Guo-Zheng, WANG Xin, HUANG Ke-Ke. Preparation and Photoelectrochemical Catalytic Properties of Porous Silicon/TiO₂ Nanowires Photoanodes[J]. Chinese Journal of Inorganic Chemistry, ;2019, 35(4): 613-620. doi: 10.11862/CJIC.2019.088 shu

Preparation and Photoelectrochemical Catalytic Properties of Porous Silicon/TiO₂ Nanowires Photoanodes

1.
School of Science, Changchun University of Science and Technology, Changchun 130022, China
2.
Department of Nephrology, The First Hospital of Jilin University, Changchun 130021, China
3.
State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, China

Corresponding author: YANG Ji-Kai, jikaiyang0625@163.com MA Fu-Zhe, mafuzhe2002@163.com
Received Date: 15 October 2018
Revised Date: 5 March 2019

Figures(7)

n-Type porous silicon were prepared by metal-assisted chemical etching (MACE) and then the porous Si/TiO₂ nanowires photoanodes were prepared by hydrothermal synthesis. Samples were characterized by scanning electron microscope (SEM) and X-ray diffraction (XRD). The results showed that the macrospore size of the porous Si increases from about 0.1 to 0.4 μm with the increasing of etching time. Porous Si/TiO₂ nanowires corresponded primarily to rutile phase and slight traces of anatase. The results showed that porous Si/TiO₂ nanowires sample with etching for 35 min had the highest anti-reflectivity the corresponding photoanode showed the best photocurrent (photocurrent density) under simulated solar light. In addition, the photoelectric catalysis results showed that porous Si/TiO₂ nanowires with etching for 35 min at 1.5 V showed the best catalytic activities, which is attributed to the anti-reflection, heterogeneous effect and window effect.
- silicon,
- hydrothermal synthesis,
- water splitting,
- photolysis
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Preparation and Photoelectrochemical Catalytic Properties of Porous Silicon/TiO2 Nanowires Photoanodes

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通讯作者: 陈斌, bchen63@163.com

Preparation and Photoelectrochemical Catalytic Properties of Porous Silicon/TiO₂ Nanowires Photoanodes