A non-destructive Transfer Strategy for High-Efficiency Flexible Perovskite Solar Cells.
ACS applied materials & interfaces(2019)
Abstract
Flexible perovskite solar cells (F-PSCs) have been developing fast with the power conversion efficiency (PCE) exceeding 19%. However, aiming at the high-efficiency F-PSCs, to get a desired perovskite morphology before and after glass-supportive device transfer is still a challenge. Herein, we thoroughly investigated the effect of adhesive materials of substrates on the perovskite film and the solar cell performance, and developed a non-destructive F-PSCs transfer method by introducing DST/PF/epoxy binder. This non-destructive transfer strategy leads to a uniform morphology of perovskite, even after transfer process, yielding an enhanced PCE up to 16.55%.
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Key words
nondestructive transfer technology,adhesive materials,double-side tape,epoxy,flexible perovskite solar cells
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