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Improvement of Electron Transport in Dye-Sensitized Solar Cells Based on TiO2/MWCNTs Composite Films as a Photoanode and SnO2/MWCNTs as a Pt-free Counter Electrode
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Qinglong LIU, Xiaoyu WANG, Liping ZHAO, Liguo JIN
Journal of the Chinese Ceramic Society | 2020, 48(4) : 483 - 490
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Journal of the Chinese Ceramic Society | 2020, 48(4): 483-490
Improvement of Electron Transport in Dye-Sensitized Solar Cells Based on TiO2/MWCNTs Composite Films as a Photoanode and SnO2/MWCNTs as a Pt-free Counter Electrode
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Qinglong LIU, Xiaoyu WANG, Liping ZHAO, Liguo JIN
Affiliations
  • School of Materials Science and Engineering, Harbin University of Science and Technology, Harbin 150040, China

    • LIU Qinglong (1995-), male, Master candidate. E-mail:

About Author:

LIU Qinglong (1995-), male, Master candidate. E-mail:

Published: 2020-04-20 doi: 10.14062/j.issn.0454-5648.20190642
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In order to improve the electron transport rate of TiO2 photoanode, multi-walled carbon nanotubes (MWCNTs) were loaded in TiO2. TiO2/MWCNTs composite sols were formed by a sol-gel hydrothermal method, and the uniform TiO2/MWCNTs composite films were formed by an electro-hydrodynamic method. The films were optimized with TiCl4. The samples were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffractometer and ultraviolet-visible absorption spectroscopy. The photoelectric properties of dye-sensitized solar cells (DSSCs) based on TiO2/MWCNTs composite photoanodes and SnO2/MWCNTs counter electrode were analyzed by electrochemical impedance spectroscopy and current density-voltage curve measurement. The results show that the addition of MWCNTs considerably accelerates the transport of electrons in the films and decreases the recombination of electrons with oxidized dye and I3-; The DSSC with a CNT-0.12 (0.12%, in mass) composite photoanode shows the optimal performance (i.e., Voc=0.70 V, Jsc=13.0 mA/cm2, ηFF=0.64, η=5.80%), and the power conversion efficiency is 30.6% greater than that of DSSC with a pure TiO2 photoanode (i.e., η=4.44%).

photoanode  /  multi-walled carbon nanotubes  /  dye-sensitized solar cells  /  electrohydrodynamics
刘青龙, 王晓宇, 赵丽萍, 金立国. 基于TiO2/多壁碳纳米管复合光阳极和SnO2/多壁碳纳米管非铂对电极的染料敏化太阳能电池电子传输的改善. 硅酸盐学报, 2020 , 48 (4) : 483 -490 . DOI: 10.14062/j.issn.0454-5648.20190642
Qinglong LIU, Xiaoyu WANG, Liping ZHAO, Liguo JIN. Improvement of Electron Transport in Dye-Sensitized Solar Cells Based on TiO2/MWCNTs Composite Films as a Photoanode and SnO2/MWCNTs as a Pt-free Counter Electrode[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (4) : 483 -490 . DOI: 10.14062/j.issn.0454-5648.20190642
Appendix
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Year 2020 volume 48 Issue 4
33
9
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Article Info
doi: 10.14062/j.issn.0454-5648.20190642
  • Receive Date：2019-09-20
  • Online Date：2026-10-29
  • Published：2020-04-20
Article Data
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History
  • Received：2019-09-20
  • Revised：2019-11-24
Funding
Affiliations
    School of Materials Science and Engineering, Harbin University of Science and Technology, Harbin 150040, China

Corresponding:

JIN Liguo (1971-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
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Number of
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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