Molybdenum chloride double perovskites: dimensionality control of optical and magnetic properties.

ABSTRACT: Halide double perovskites are a promising class of semiconducting materials for applications in solar cells and other optoelectronic devices. Recently, there has been a surge of interest in these materials to study phenomena beyond optoelectronics, especially magnetism. Here, we report three new Mo³⁺ (4d³) based chloride double perovskites: a 3-D rock-salt ordered Cs₂NaMoCl₆, a 1-D chain (MA)₂AgMoCl₆ and a Dion-Jacobson type 2-D layered (1,4-BDA)₂AgMoCl₈ (MA = methylammonium; 1,4-BDA = 1,4-butanediammonium). Their structures and dimensionalities can be tuned by means of the A-cation. The measured bandgaps are relatively narrow (2.0-2.1 eV) which show a blueshift on reducing the dimensionality. At low te

SUBMITTER: Binwal DC 

PROVIDER: S-EPMC10094005 | biostudies-literature | 2023 Apr

REPOSITORIES: biostudies-literature