Rb<sub>4</sub>CuSb<sub>2</sub>Cl<sub>11</sub> and Rb<sub>2</sub>In<sub>0.91(0.2)</sub>Sb<sub>0.09</sub>Cl<sub>5</sub>·H<sub>2</sub>O: Wide Band Gap 0D Metal Halide Semiconductors.
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ABSTRACT: Herein, we report the discovery, structural and photophysical characterization of a new zero-dimensional (0D) lead-free all-inorganic halide, Rb4CuSb2Cl11, which adopts a new structure type. Single-crystal X-ray diffraction (SCXRD) shows that the structure consists of isolated, distorted seesaw [SbCl4]- and trigonal planar [CuCl3]2- units, separated by Rb+ cations that provide charge balance. Optoelectronic measurements and density functional theory (DFT) calculations indicate an indirect band gap of 2.89 eV, making it a candidate for wide-bandgap optoelectronic applications. Electrical resistivity was measured at 1.29 × 1010 Ω·cm, and the trap-state density (ntrap) was foun
SUBMITTER: Shoukat H
PROVIDER: S-EPMC12801379 | biostudies-literature | 2026 Jan
REPOSITORIES: biostudies-literature
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