Ba3.5Cu7.55In1.15Se9: A Wide-Bandgap Copper Indium Selenide Reveals Strong Luminescence and Third-Harmonic Generation. - Su YH; Chen WL; Byun HR; Zhang YF; Zhuang MR; Lin YC; Chang CK; Wang PY; Lin CC; Lin KI; Liu HK; Lee MK; et al. (Inorganic chemistry, 2023)