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Zeng G, Xing S, Wang X, et al. 3d-4f Metal-Organic Framework with Dual Luminescent Centers That Efficiently Discriminates the Isomer and Homologues of Small Organic Molecules. Inorg Chem. 2016;55(3):1089-95doi: 10.1021/acs.inorgchem.5b02193.
Zeng, G., Xing, S., Wang, X., Yang, Y., Ma, D., Liang, H., Gao, L., Hua, J., Li, G., Shi, Z., & Feng, S. (2016). 3d-4f Metal-Organic Framework with Dual Luminescent Centers That Efficiently Discriminates the Isomer and Homologues of Small Organic Molecules. Inorganic chemistry, 55(3), 1089-95. https://doi.org/10.1021/acs.inorgchem.5b02193
Zeng, Guang, et al. "3d-4f Metal-Organic Framework with Dual Luminescent Centers That Efficiently Discriminates the Isomer and Homologues of Small Organic Molecules." Inorganic chemistry vol. 55,3 (2016): 1089-95. doi: https://doi.org/10.1021/acs.inorgchem.5b02193
Zeng G, Xing S, Wang X, Yang Y, Ma D, Liang H, Gao L, Hua J, Li G, Shi Z, Feng S. 3d-4f Metal-Organic Framework with Dual Luminescent Centers That Efficiently Discriminates the Isomer and Homologues of Small Organic Molecules. Inorg Chem. 2016 Feb 01;55(3):1089-95. doi: 10.1021/acs.inorgchem.5b02193. Epub 2016 Jan 12. PMID: 26756250.
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Inorg Chem. 2016 Feb 01;55(3):1089-95. doi: 10.1021/acs.inorgchem.5b02193. Epub 2016 Jan 12.

3d-4f Metal-Organic Framework with Dual Luminescent Centers That Efficiently Discriminates the Isomer and Homologues of Small Organic Molecules.

Inorganic chemistry

Guang Zeng, Shanghua Xing, Xiuru Wang, Yulin Yang, Dingxuan Ma, Hongwei Liang, Lu Gao, Jia Hua, Guanghua Li, Zhan Shi, Shouhua Feng

Affiliations

  1. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University , Changchun 130012, P. R. China.

PMID: 26756250 DOI: 10.1021/acs.inorgchem.5b02193

Abstract

A 3d-4f luminescent metal-organic framework (MOF), [Tb2(Cu8I8)(C12H8NO2)6(H2O)4]·5C4H8O2 (4), and three analogues {[La2(Cu8I8)(C12H8NO2)6(C4H8O2)2(H2O)2]·3C4H8O2·2H2O (1), [Ce2(Cu8I8)(C12H8NO2)6(H2O)4]·5C4H8O2 (2), and [Eu2(Cu8I8)(C12H8NO2)6(H2O)4]·5C4H8O2 (3)}, were self-assembled from copper(I) halide clusters and lanthanide metal ions with an organic linker [3-(pyridin-4-yl)benzoic acid] under solvothermal conditions. Compound 4 with high quantum yield (Φ = 68%) exhibits reversible luminescence behavior, accompanying the removal and recovery of guest molecules (1,4-dioxane). Because of the unique porous structure and dual luminescent centers of compound 4, it can efficiently differentiate benzene series with different sizes and provide readouts in corresponding optical signals. Furthermore, it also can unambiguously discriminate the isomers, homologues, and other small molecules with similar structural motifs from one another. The luminescent color of the MOF sensor in different guest solvents has obvious changes that can be clearly distinguished by the naked eye. This multicolor luminescence originates from emissions of the dual luminescent centers, and the emissions have shifted, enhanced, weakened, or quenched to different degrees.

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