New down-converter for UV-stable perovskite solar cells: Phosphor-in-glass

Autor: Seongha Lee, Gill Sang Han, Jung-Kun Lee, Sang-Hyun Kim, Sung Woo Choi, Hee Suk Roh, Chulsoo Yoon
Rok vydání: 2018
Předmět:
Zdroj: Journal of Power Sources. 389:135-139
ISSN: 0378-7753
Popis: Degradation of hybrid lead halide perovskite by UV light is a crucial issue that limits the commercialization of lead halide perovskite solar cells (PSCs). To address this problem, phosphor-in-glass (PiG) is used to convert UV to visible light. Down-conversion of UV light by PiG dramatically increases UV-stability of PSCs and enables PSCs to harvest UV light that is currently wasted. Performance of PSCs with PiG layer does not change significantly during 100 h-long UV-irradiation, while conventional PSCs degrade quickly by 1 h-long UV-irradiation. After 100 h long UV-irradiation, power conversion efficiency of PSCs with PiG is 440% larger than that of conventional PSCs. This result points a direction toward PSCs which are very stable and highly efficient under UV light.
Databáze: OpenAIRE