Defect Engineering and Emission Tuning of Wide-Bandgap MAPbCl3 Perovskite
Zihao Li,
Yuqing Luo,
Zelong Chen
et al.
Abstract:Lead-chloride perovskites are promising candidates for optoelectronic applications, such as visible-blind UV photodetection. It remains unclear how the deep defects in this wide-bandgap material impact the carrier recombination dynamics. In this work, we study the defect properties of MAPbCl 3 (MA = CH 3 NH 3 ) based on photoluminescence (PL) measurements. Our investigations show that apart from the intrinsic emission, four subbandgap emissions emerge, which are very likely to originate from the radiative reco… Show more
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