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Ionothermal Synthesis of Metal Chalcogenides M2Ag3Sb3S7 (M = Rb, Cs) Displaying Nonlinear Optical Activity in the Infrared Region

Yang, Gang; Li, Longhua; Wu, Chao; Humphrey, Mark; Zhang, Chi

Description

Two interesting non-centrosymmetric metal chalcogenides, Rb2Ag3Sb3S7 and Cs2Ag3Sb3S7, were synthesized by an ionothermal approach. Crystals of compounds Rb2Ag3Sb3S7 and Cs2Ag3Sb3S7 possess isomorphic configuration, consisting of two-dimensional (2D) anionic networks ∞[Ag3Sb3S7]2−, which are split by alkali-metal M+ cations. The band gaps are 2.11 and 2.02 eV for Rb2Ag3Sb3S7 and Cs2Ag3Sb3S7, respectively. Second-harmonic generation (SHG) studies revealed that Rb2Ag3Sb3S7 affords a powder SHG...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
URI: http://hdl.handle.net/1885/210969
Source: Inorganic Chemistry
DOI: 10.1021/acs.inorgchem.9b01262
Access Rights: Open Access

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