Journal
ADVANCED ENERGY MATERIALS
Volume 10, Issue 13, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201902492
Keywords
additives; defects; energy-level alignment; hysteresis; morphology; operational stability; perovskite solar cells; phase stability
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Funding
- National Natural Science Foundation of China [51502141, 91433203, 61474049, 21702069]
- Ministry of Science and Technology of China (863) [2015AA034601]
- Fundamental Research Funds for the Central Universities [2019kfyXJJS051]
- Science and Technology Department of Hubei Province [2017AAA190]
- 111 Project [B07038]
- China-EU Institute for Clean and Renewable Energy [ICARE-RP-2018-SOLAR-001, ICARE-RP-2018-SOLAR-002]
- Program for HUST Academic Frontier Youth Team [2016QYTD06]
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Additives are widely adopted for efficient, stable, and hysteresis-free perovskite solar cells and play an important role in various breakthroughs of perovskite solar cells (PSCs). Herein the various additives adopted for PSCs are reviewed and their functioning mechanism and influence on device performance is described. The main roles of additives, modulating morphology of perovskite films, stabilizing phase of formamidinium (FA) and cesium (Cs)-based perovskites, adjusting energy level alignment in PSCs, suppressing nonradiative recombination in perovskites, eliminating hysteresis, enhancing operational stability of PSCs, are summarized.
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