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Bismuth Based Hybrid Perovskites A3Bi2 I9 (A: Methylammonium or Cesium) for Solar Cell Application
Byung-Wook Park1, Bertrand Philippe2, Xiaoliang Zhang1
1Department of Chemistry, Ångström Laboratory, Uppsala University, Box 523, SE, 75120, Uppsala, Sweden.
Advanced Materials (Deerfield Beach, Fla.)
|September 30, 2015
Abstract:
Low-toxic bismuth-based perovskites are prepared for the possible replacement of lead perovskite in solar cells. The perovskites have a hexagonal crystalline phase and light absorption in the visible region. A power conversion efficiency of over 1% is obtained for a solar cell with Cs3 Bi2 I9 perovskite, and it is concluded that bismuth perovskites have very promising properties for further development in solar cells.
