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Abstract
This work applies an in-situ growth method to synthesize the ZIF-8 composites encapsulating yellow and blue dyes, namely RhB and C120, respectively. These two dyes are successfully introduced into ZIF-8 crystals, proved via the nitrogen adsorption, FTIR and powder XRD measurements. Then, these two types of dye@ZIF-8s are mixed, to achieve a white light-emission with CIE coordinates of (0.345, 0.294) under the excitation light at 365 nm. The encapsulation of dyes in isolated pores of ZIF-8 effectively mitigates the aggregation-induced quenching and the energy re-absorption between dyes. Also, the photo stability of this white-light material is investigated for practical application.
Additional information
Funding
This work was supported in part by National Natural Science Foundation of China, China (Grant No. 61575096) and Postgraduate Research & Practice Innovation Program of Jiangsu Province (SJCX21_0259).