8Photoluminescence Properties
Yasuhiro Yamada1 and Yoshihiko Kanemitsu2
1Chiba University, Graduate School of Science, Department of Physics, 1‐33 Yayoi‐cho, Inage, Chiba, 263‐0022, Japan
2Kyoto University, Institute for Chemical Research, Gokasho, Uji, Kyoto, 611‐0011, Japan
8.1 Introduction
Many studies have been devoted to understanding the high photon‐to‐electricity conversion efficiency of perovskite solar cells. Since the transiently photoexcited electrons and holes dominate the photoconversion process, photoluminescence (PL) spectroscopy is one of the most suitable methods for evaluating solar cell materials and devices [1–5]. In addition, the energy conversion efficiency in solar cells depends on the external PL quantum efficiency ...
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