3D Digital Holography Investigations of Giant Photostriction Effect in MAPbBr3 Perovskite Single Crystals
Dong Liu,
Jialin Wu,
Ying‐Bo Lu
et al.
Abstract:The photoinduced physics always is a critical but controversial question for the new optoelectronic materials of halide perovskites. A high‐quality MAPbBr3 single crystal is grown and the lattice expansion induced by variable power X‐ray irradiation is investigated.A photoinduced deformation measurement system utilizing the off‐axis holography technique is developed and constructed to measure and illuminate the global photo‐induced deformation of MAPbBr3. Under a 473 nm laser with a power of 50 mW, MAPbBr3 exh… Show more
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