White light-emission based on dye@ZIF-8 crystals encapsulating yellow and blue dyes

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 t...

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Bibliographic Details
Published in:Molecular Crystals and Liquid Crystals 2022-09, Vol.740 (1), p.75-84
Main Authors: Hu, Sen-Lin, Xu, Yun-Qi, Dai, Yin-Hui, Yu, Ying, Lu, Yun-Qing, Wang, Jin
Format: Article
Language:English
Subjects:
Crystals
Dye
Dyes
Encapsulation
Light emission
metal-organic frameworks
White light
white light-emission
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Summary: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.
ISSN:1542-1406
1563-5287
1527-1943
DOI:10.1080/15421406.2022.2037304