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Sprayed P25 scaffolds for high-efficiency mesoscopic perovskite solar cells
Haibo Huang1, Jiangjian Shi, Songtao Lv
1Key Laboratory for Renewable Energy, Chinese Academy of Science, Beijing Key Laboratory for New Energy Materials and Devices, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, P. R. China. qbmeng@iphy.ac.cn.
Chemical Communications (Cambridge, England)
|May 30, 2015
Summary
Researchers developed a spray method for uniform titanium dioxide (TiO2) films, achieving 16% efficiency in perovskite solar cells. This technique is promising for large-scale solar cell production.
Area of Science:
- Materials Science
- Renewable Energy
Background:
- Mesoscopic solar cells require uniform, controllable mesoporous films for efficient charge transport.
- Titanium dioxide (TiO2) is a common electron transport material in solar cells.
Purpose of the Study:
- To develop a scalable spray method for producing uniform, thickness-controllable, large-size mesoscopic TiO2 films.
- To evaluate the performance of these TiO2 films in perovskite solar cells.
Main Methods:
- Utilized commercial P25 TiO2 nanoparticles.
- Employed a spray deposition technique for film fabrication.
- Fabricated and tested perovskite solar cells incorporating the spray-deposited TiO2 films.
Main Results:
- Achieved uniform, thickness-controllable, and large-size mesoscopic TiO2 films.
- Perovskite solar cells using these films reached a high power conversion efficiency of 16%.
Conclusions:
- The spray method is effective for producing high-quality mesoscopic TiO2 films.
- This method holds significant potential for the cost-effective, large-scale manufacturing of mesoscopic solar cells.
