Broad Mid-Infrared Luminescence in a Metal-Organic Framework Glass

M.A. Ali, J.J. Ren, T.Y. Zhao, X.F. Liu, Y.J. Hua, Yuanzheng Yue, J.R. Qiu

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Metal-organic framework (MOF) glasses are a newly discovered family of melt-quenched glasses. Despite considerable progress in understanding the nature of MOF glasses, their photonic functionalities have not been found so far. Here, we report on the first breakthrough regarding the photonic functionalities of MOF glasses, that is, finding of the luminescence in melt-quenched MOF glasses. The finding was achieved on a zeolitic imidazolate framework (ZIF) series, that is, the ZIF-62 series: Zn 1- x Co x (Im) 1.7(bIm) 0.3, x = 0, 0.1, and 0.5, where Co substitutes Zn in ZIF-62 forming single-phased solid solutions. Remarkably, we observed broadband mid-infrared (Mid-IR) luminescence (in the wavelength range of 1.5-4.8 μm) in both the crystalline and amorphous solid solutions. The intensity of the luminescence in ZIF glass is gradually enhanced by increasing the level of Co concentration. The observed Mid-IR emission originates from d-d transition of Co ions. The discovery of the luminescence in ZIF-62 glass may pave the way toward new photonic applications of bulk MOF glasses.

Original languageEnglish
JournalACS Omega
Volume4
Issue number7
Pages (from-to)12081−12087
Number of pages7
DOIs
Publication statusPublished - 31 Jul 2019

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Luminescence
Metals
Infrared radiation
Glass
Photonics
Solid solutions
Electron transitions
Ions
Crystalline materials
Wavelength

Cite this

Ali, M. A., Ren, J. J., Zhao, T. Y., Liu, X. F., Hua, Y. J., Yue, Y., & Qiu, J. R. (2019). Broad Mid-Infrared Luminescence in a Metal-Organic Framework Glass. ACS Omega, 4(7), 12081−12087. https://doi.org/10.1021/acsomega.9b01559
Ali, M.A. ; Ren, J.J. ; Zhao, T.Y. ; Liu, X.F. ; Hua, Y.J. ; Yue, Yuanzheng ; Qiu, J.R. / Broad Mid-Infrared Luminescence in a Metal-Organic Framework Glass. In: ACS Omega. 2019 ; Vol. 4, No. 7. pp. 12081−12087.
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Ali, MA, Ren, JJ, Zhao, TY, Liu, XF, Hua, YJ, Yue, Y & Qiu, JR 2019, 'Broad Mid-Infrared Luminescence in a Metal-Organic Framework Glass', ACS Omega, vol. 4, no. 7, pp. 12081−12087. https://doi.org/10.1021/acsomega.9b01559

Broad Mid-Infrared Luminescence in a Metal-Organic Framework Glass. / Ali, M.A.; Ren, J.J.; Zhao, T.Y.; Liu, X.F.; Hua, Y.J.; Yue, Yuanzheng; Qiu, J.R.

In: ACS Omega, Vol. 4, No. 7, 31.07.2019, p. 12081−12087.

Research output: Contribution to journalJournal articleResearchpeer-review

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T1 - Broad Mid-Infrared Luminescence in a Metal-Organic Framework Glass

AU - Ali, M.A.

AU - Ren, J.J.

AU - Zhao, T.Y.

AU - Liu, X.F.

AU - Hua, Y.J.

AU - Yue, Yuanzheng

AU - Qiu, J.R.

PY - 2019/7/31

Y1 - 2019/7/31

N2 - Metal-organic framework (MOF) glasses are a newly discovered family of melt-quenched glasses. Despite considerable progress in understanding the nature of MOF glasses, their photonic functionalities have not been found so far. Here, we report on the first breakthrough regarding the photonic functionalities of MOF glasses, that is, finding of the luminescence in melt-quenched MOF glasses. The finding was achieved on a zeolitic imidazolate framework (ZIF) series, that is, the ZIF-62 series: Zn 1- x Co x (Im) 1.7(bIm) 0.3, x = 0, 0.1, and 0.5, where Co substitutes Zn in ZIF-62 forming single-phased solid solutions. Remarkably, we observed broadband mid-infrared (Mid-IR) luminescence (in the wavelength range of 1.5-4.8 μm) in both the crystalline and amorphous solid solutions. The intensity of the luminescence in ZIF glass is gradually enhanced by increasing the level of Co concentration. The observed Mid-IR emission originates from d-d transition of Co ions. The discovery of the luminescence in ZIF-62 glass may pave the way toward new photonic applications of bulk MOF glasses.

AB - Metal-organic framework (MOF) glasses are a newly discovered family of melt-quenched glasses. Despite considerable progress in understanding the nature of MOF glasses, their photonic functionalities have not been found so far. Here, we report on the first breakthrough regarding the photonic functionalities of MOF glasses, that is, finding of the luminescence in melt-quenched MOF glasses. The finding was achieved on a zeolitic imidazolate framework (ZIF) series, that is, the ZIF-62 series: Zn 1- x Co x (Im) 1.7(bIm) 0.3, x = 0, 0.1, and 0.5, where Co substitutes Zn in ZIF-62 forming single-phased solid solutions. Remarkably, we observed broadband mid-infrared (Mid-IR) luminescence (in the wavelength range of 1.5-4.8 μm) in both the crystalline and amorphous solid solutions. The intensity of the luminescence in ZIF glass is gradually enhanced by increasing the level of Co concentration. The observed Mid-IR emission originates from d-d transition of Co ions. The discovery of the luminescence in ZIF-62 glass may pave the way toward new photonic applications of bulk MOF glasses.

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DO - 10.1021/acsomega.9b01559

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VL - 4

SP - 12081−12087

JO - ACS Omega

JF - ACS Omega

SN - 2470-1343

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Ali MA, Ren JJ, Zhao TY, Liu XF, Hua YJ, Yue Y et al. Broad Mid-Infrared Luminescence in a Metal-Organic Framework Glass. ACS Omega. 2019 Jul 31;4(7):12081−12087. https://doi.org/10.1021/acsomega.9b01559