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Chiral Scintillator-Based Copper(I) Iodine Complex with Strong Circularly Polarized Emission and High-Resolution
Shao-Hu Yu1, Xiao-Qin Wen1, Jun-Jie Hu1
1School of Chemistry and Chemical Engineering, Jiangxi Provincial Key Laboratory of Functional Crystalline Materials Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000, P. R. China.
Abstract:
Circularly polarized luminescence (CPL) has significant potential in numerous fields, including three-dimensional displays, medical diagnostic imaging, information encryption, and quantum computing. In this study, a pair of novel chiral copper(I) iodine complex scintillators, namely R/S-{(Me3-3-AQ)[Cu3I5]·CH3CN}n (R/S-1, R/S-(Me3-AQ) = R/S-3-(methyl)-3-aminoquinuclidine), were successfully synthesized and characterized. Experimental results showed that the chiral copper(I) iodine complexes (R/S-1) had high photoluminescence quantum yields (PLQYs) of 89.84% and 91.09%, and obvious CPL with asymmetry factors (glum) of +1.93 × 10-3 and -1.65 × 10-3, respectively. Flexible films were prepared based on R/S-1, and a higher resolution of 16.6 lp/mm was obtained. These studies offer valuable insights for the future development of chiral copper(I) iodine cluster complex scintillator materials.
