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Issue 1, 2015
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Flexible metal–organic framework-based one-dimensional photonic crystals

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Abstract

A flexible metal–organic framework (MOF)-based one-dimensional photonic crystal (1DPC) was fabricated by a spin-coating method. The flexible MOF, NH2-MIL-88B (MIL = Materials from Institute Lavoisier), was selected and implanted as the intrinsic functional layer of 1DPCs because of its selective breathing behavior upon exposure to various guests. TiO2 nanoparticles were used as another component to ensure a high refractive index contrast. The optical properties of the 1DPCs were tailored by varying the number of bilayers, incident angles, and physical thickness of the individual slabs. The fabricated 1DPCs showed a selective response toward various organic vapors as a result of the selective breathing behavior of the NH2-MIL-88B layer. Selective quantitative measurements of the ethanol concentration were achieved when the 1DPC was exposed to the vapors of an ethanol and water mixture. The fabricated 1DPCs exhibited high long-term, thermal, and mechanical stability, which are beneficial for practical applications.

Graphical abstract: Flexible metal–organic framework-based one-dimensional photonic crystals

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Publication details

The article was received on 10 Jul 2014, accepted on 23 Oct 2014 and first published on 28 Oct 2014


Article type: Paper
DOI: 10.1039/C4TC01501K
J. Mater. Chem. C, 2015,3, 211-216

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    Flexible metal–organic framework-based one-dimensional photonic crystals

    Z. Hu, C. Tao, F. Wang, X. Zou and J. Wang, J. Mater. Chem. C, 2015, 3, 211
    DOI: 10.1039/C4TC01501K

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