Journal
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
Volume 46, Issue 4, Pages 4071-4087Publisher
WILEY
DOI: 10.1002/er.7516
Keywords
conductivity; flexible solar cell; light transmittance; photovoltaic property; transparent conductive electrode
Categories
Funding
- National Natural Science Foundation of China [51976081]
- Jiangsu Province Postdoctoral Research Funding Program [2020Z078]
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Flexible transparent conducting electrodes (F-TCEs) are crucial for flexible solar cells, affecting the transmission of light and charge. Selection of appropriate characteristics of F-TCEs is essential for high-performance solar cells, and measures to obtain high transmittance and low resistance were discussed based on different solar cell structures and flexible substrate types.
Flexible transparent conducting electrodes (F-TCEs) are an important part of a flexible solar cell. The performance of the F-TCEs is very important for the transmission of light and charge. Therefore, the selection of appropriate characteristics of F-TCES, especially electrical conductivity, light transmittance, and mechanical flexibility, is essential for fabricating solar cells with high performance. This article reviewed the latest development of F-TCEs and the structural design of flexible solar cells, compared and analyzed the preparation methods, advantages, and disadvantages of several different F-TCEs, such as metal oxides, metals, carbon materials, polymers, and their composites. Based on different solar cell structures and flexible substrate types, the measures to obtain high transmittance, low resistance, etc., were emphatically discussed to obtain F-TCEs with excellent performance. In order to make up for the shortcomings of single electrode materials, the current development of composite F-TCEs electrodes was discussed and analyzed. Finally, the challenges faced by F-TCEs and future development direction were prospected, providing a reference for the design of future intelligent photovoltaic systems.
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