Phase transition of metal–organic frameworks for regulating the fluorescence properties of dyes

Qin, Ziyue; Ren, Zhihao; Chen, Cheng; Liu, Liwei; Ji, Ning; Zhao, Yanhua; Zha, Baoli; Fu, Yu; Shen, Yu; Huo, Fengwei

doi:10.1039/d2nj04243f

New J. Chem.

2022

DOI: 10.1039/d2nj04243f

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Phase transition of metal–organic frameworks for regulating the fluorescence properties of dyes

Ziyue Qin

Zhihao Ren

Cheng Chen

et al.

Abstract: Encapsulating dye molecules into metal–organic frameworks (MOFs) with high loadings and tunable photophysical properties is promising for future applications in opto-electronic display, but it is challenging to perfectly match the...

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Enhanced energy transfer efficiency upon confining rhodamine B into zeolitic imidazolate frameworks

Hu,

Wang,

Chiromo

et al. 2023

The Journal of Chemical Physics

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Enhancing the utilization of absorbed light is essential for enhancing the efficiency of solar energy conversion via artificial photosynthesis. In this work, we report the successful incorporation of Rhodamine B (RhB) into the pore of ZIF-8 (ZIF = zeolitic imidazolate framework) and the efficient energy transfer process from RhB to Co-doped ZIF-8. Using transient absorption spectroscopy, we show that energy transfer only occurs from RhB (donor) to Co center (acceptor) when RhB is confined into the ZIF-8 structure, which is in stark contrast to the system based on the physical mixture of RhB with Co-doped ZIF-8, where negligible energy transfer was observed. In addition, energy transfer efficiency increases with the concentration of Co and reaches a plateau when the molar ratio of Co to RhB reaches 32. These results suggest that RhB confined in the ZIF-8 structure is essential for energy transfer to occur, and energy transfer efficiency can be controlled by tuning the concentration of acceptors.

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Enhanced energy transfer efficiency upon confining rhodamine B into zeolitic imidazolate frameworks

Hu,

Wang,

Chiromo

et al. 2023

The Journal of Chemical Physics

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show abstract

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Phase transition of metal–organic frameworks for regulating the fluorescence properties of dyes

Abstract: Encapsulating dye molecules into metal–organic frameworks (MOFs) with high loadings and tunable photophysical properties is promising for future applications in opto-electronic display, but it is challenging to perfectly match the...

Cited by 1 publication

References 47 publications

Enhanced energy transfer efficiency upon confining rhodamine B into zeolitic imidazolate frameworks

Enhanced energy transfer efficiency upon confining rhodamine B into zeolitic imidazolate frameworks

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