Highly selective Fe3+ sensing and proton conduction in a water-stable sulfonate-carboxylate Tb-organic-framework
Publication in refereed journal

香港中文大學研究人員

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摘要A new 3D porous terbium-organic framework {[Tb-4(OH)(4)(DSOA)(2)(H2O)(8)]center dot(H2O)(8)}(n) (Tb-DSOA) has been successfully assembled by Tb3+ ions and a sulfonate-carboxylate linker disodium-2,2'-disulfonate-4,4'-oxydibenzoic acid (Na(2)H(2)DSOA). In this metal-organic framework (MOF), tetranuclear terbium clusters can be sensitized by the organic linker to generate the characteristic photoluminescence of Tb-III ions. Noncoordinated sulfonate oxygen atoms functionalize its channels, which act as basic sites leading to highly selective Fe3+ ion sensing by luminescence quenching, and also act as hopping sites for proton transfer, resulting in a proton conductivity of 1.66 x 10(-4) S cm(-1) at 98% RH. Exceptional water-stability makes this MOF compatible for these applications in aqueous solution.
著者Dong XY, Wang R, Wang JZ, Zang SQ, Mak TCW
期刊名稱Journal of Materials Chemistry A
出版年份2015
月份1
日期1
卷號3
期次2
出版社Royal Society of Chemistry
頁次641 - 647
國際標準期刊號2050-7488
電子國際標準期刊號2050-7496
語言英式英語
Web of Science 學科類別Chemistry; Chemistry, Physical; Energy & Fuels; Materials Science; Materials Science, Multidisciplinary

上次更新時間 2020-30-11 於 00:44