Hybrid solar cells composed of perovskite and polymer photovoltaic structures
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Author list: Phaometvarithorn A., Chuangchote S., Kumnorkaew P., Wootthikanokkhan J.
Publisher: Elsevier Ltd
Publication year: 2018
Volume number: 144
Start page: 7
End page: 12
Number of pages: 6
ISSN: 0038-1101
eISSN: 0038-1101
Languages: English-Great Britain (EN-GB)
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Abstract
Organic/inorganic lead halide perovskite solar cells have recently attracted much attention in photovoltaic research, due to the devices show promising ways to achieve high efficiencies. The perovskite devices with high efficiencies, however, are typically fabricated in tandem solar cell which is complicated. In this research work, we introduce a solar cell device with the combination of CH3NH3PbI3−xClx perovskite and bulk heterojunction PCDTBT:PC70BM polymer without any tandem structure. The new integrated perovskite/polymer hybrid structure of ITO/PEDOT:PSS/perovskite/PCDTBT:PC70BM/PC70BM/TiOx/Al provides higher power conversion efficiency (PCE) of devices compared with conventional perovskite cell structure. With the optimized PCDTBT:PC70BM thickness of ∼70 nm, the highest PCE of 11.67% is achieved. Variation of conducting donor polymers in this new structure is also preliminary demonstrated. This study provides an attractively innovative structure and a promising design for further development of the new-generation solar cells. © 2018 Elsevier Ltd
Keywords
Hybrid structure, Light absorption, Perovskite Solar Cells
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