Metal chalcogenides are an attractive subject for investigation owing to their wide application in optoelectronics. Here, we report the discovery of a new cadmium-based quaternary sulfide, NaCdGeS, with a wide band gap of 3.35 eV. The microscopic structure of this compound features two-dimensional [GeCdS] layers, which were first found in metal sulfides. Remarkably, the Na/S ratio in NaCdGeS exceeds 50%, suggesting that it would have ecofriendly electrical applications, such as in sodium-ion-battery electrodes and fast ion conductors.
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| http://dx.doi.org/10.1021/acs.inorgchem.0c02952 | DOI Listing |
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