Bandgap tunable 2.0–2.9 eV
Continuous tuning of bandgap and luminescence behavior while maintaining non-centrosymmetric structures by varying halide, organic ligand, and alkali metal.
Chen, Jian · Liu, Yang · Congcong, Chen · Pan, Xin · Yin, Jun · Mao, Lingling
Angewandte Chemie - International Edition 2023
15 Bi-based double perovskite derived halides
Bandgap tunable from 2.0 to 2.9 eV
PL intensity of bromide phases increases with decreasing temperature
PL intensity of iodide phases changes nonmonotonically with temperature
Selected non-centrosymmetric materials show different particle-size-dependent SHG trends