| Autor: |
He, Zhen, Zhou, Yi, Xu, Cai, Su, Yingjie, Liu, Anmin, Li, Yanqiang, Gao, Liguo, Ma, Tingli |
| Zdroj: |
The Journal of Physical Chemistry - Part C; 20210101, Issue: Preprints |
| Abstrakt: |
Constructing a 2D/3D heterojunction perovskite that could remain highly efficient and improve the stability of perovskite solar cells (PSCs) is explored. In this paper, we compared 2D/3D heterojunction perovskite films passivated by organosulfur and commonly used organic amine salts. Results indicated that the perovskite film passivated by organosulfur amine salts had a lower trap state density, longer carrier lifetime, improved energy level alignment, and higher thermal and moisture stability. An approximate 21% power conversion efficiency (PCE) was obtained in the champion device. After the comparison, the passivation mechanism of the organosulfur 2D/3D heterojunction was proposed. |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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