Citation: TONG Jing, FANG Wen-Juan, JI Xiao-He, ZHAO Qing-Fei, ZHANG Hua. Preparation and Optimization of Flexible Quantum Dot Paste Based Photoanodes and Carbon Based Counter Electrodes[J]. Chinese Journal of Inorganic Chemistry, ;2018, 34(11): 2000-2008. doi: 10.11862/CJIC.2018.252 shu

Preparation and Optimization of Flexible Quantum Dot Paste Based Photoanodes and Carbon Based Counter Electrodes

1.
Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
2.
Chemistry Department, Shanghai Normal University, Shanghai 200234, China

Corresponding author: ZHAO Qing-Fei, zhaoqf@shnu.edu.cn ZHANG Hua, zhanghjy@ecust.edu.cn
Received Date: 26 June 2018
Revised Date: 5 September 2018

Figures(7)

The pastes containing quantum dot (QDs)/TiO₂ were first synthesized, and then screen printing and doctor blading were employed for coating the pastes onto ITO/PET flexible substrates. The results show that doctor blading was universal and more effective to obtain high efficiency quantum dot sensitized solar cell (QDSCs). The assembled ZnCuInSe, CdSe and CdSeTe semi-flexible QDSCs obtained high conversion efficiencies of 2.83%, 2.46% and 1.99% respectively when brass-based counter electrodes (CEs) were used. Furthermore, surface chemical modification was first carried out on graphite paper (GP) to improve the hydrophilicity, then Cu_xS nanoparticles were grown on GP via successive ionic layer adsorption and reaction (SILAR). The as-prepared flexible Cu_xS/GP CEs exhibited satisfactory performance and the assembled fully flexible ZnCuInSe QDSCs obtained high efficiency of 2.13%.
- carbon,
- quantum dot,
- paste,
- flexible photoanode,
- flexible counter electrode,
- quantum dot sensitized solar cell
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沈阳化工大学材料科学与工程学院沈阳 110142