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Point defect-reduced colloidal SnO2 electron transport layers for stable and almost hysteresis-free perovskite solar cells.


ABSTRACT: The commercialization of perovskite solar cells has been investigated, but the instability of their light-absorbing layers remains a problem. We demonstrate that the use of colloidal SnO2 nanoparticles prevents perovskite light absorber decomposition, reduces the hysteresis index to 0.1%, and increases the power conversion efficiency to 19.12%.

SUBMITTER: Ju Y 

PROVIDER: S-EPMC9061193 | biostudies-literature | 2019 Mar

REPOSITORIES: biostudies-literature