Semiconductive Behavior and Photoconductivity of Uranyl Dithiophosphinate Single Crystal

Herein, we detail the synthesis, structure, and photoconductivity of the uranyl dithiophosphinate single crystal UO2[S2P­(C6H5)2]2(CH3OH)·CH3OH (denoted as U-DPDPP). The formation of bonds between uranyl ions and sulfur-based ligands endows U-DPDPP with a distinct electronic absorption property with...

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Bibliographic Details
Published in:Inorganic chemistry 2024-05, Vol.63 (21), p.9706-9710
Main Authors: Wang, Junren, Yang, Liangwei, Yin, Dingrui, Gao, Xudong, Dai, Xing, Li, Kai, Wang, Shuao, Wang, Yaxing
Format: Article
Language:English
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Summary:Herein, we detail the synthesis, structure, and photoconductivity of the uranyl dithiophosphinate single crystal UO2[S2P­(C6H5)2]2(CH3OH)·CH3OH (denoted as U-DPDPP). The formation of bonds between uranyl ions and sulfur-based ligands endows U-DPDPP with a distinct electronic absorption property with a broadband spectrum spanning from 250 to 550 nm, giving rise to a unique semiconductive property. Under X-ray illumination, U-DPDPP displays a distinctive photoconductivity response, with a charge carrier mobility lifetime (μτ) of 2.78 × 10–4 cm2·V–1 achieved, which contradicts the electronic-silence behavior of uranyl nitrate crystal.
ISSN:0020-1669
1520-510X
DOI:10.1021/acs.inorgchem.4c00801