From CuFeS2 to Ba6Cu2FeGe4S16: Rational band gap engineering achieves large second-harmonic-generation together with high laser damage threshold

Wangzhu Cao, Dajiang Mei, Yi Yang, Yuanwang Wu, Lingyun Zhang, Yuandong Wu, Xiao He, Zheshuai Lin, Fuqiang Huang

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

A new germanium-based sulfide, Ba6Cu2FeGe4S16, achieves a band-gap broadening of more than 1 eV relative to CuFeS2. Remarkably, Ba6Cu2FeGe4S16 exhibits excellent comprehensive NLO performance (SHG, 1.5 × AgGaSe2; LDT, 2 × AgGaSe2), satisfying the essential requirements of mid-IR NLO candidates.

Original languageEnglish
Pages (from-to)14510-14513
Number of pages4
JournalChemical Communications
Volume55
Issue number96
DOIs
StatePublished - 2019

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