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Synthesis, Photoluminescence, and Gas Adsorption Properties of a New Furan-Functionalized MOF and Direct Carbonization for Synthesis of Porous Carbon

机译:新型呋喃官能化MOF的合成,光致发光和气体吸附性质以及用于多孔碳合成的直接碳化

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摘要

A new 3D zinc-organic framework of [ZnL]-5H(2)O (1, K2L = potassium 4 '-furyl-2,2 ':6 ',2 ''-terpyridine-4,4 '' dicarboxylate) has been synthesized under hydrothermal conditions. Complex 1 possesses a 3D 2-fold interpenetrated 4connected sra network with pores decorated by noncoordination furan rings, and it exhibits a broad blue luminescence emission band peaked at 450 nm. Due to the chelating effect of trepyridyl moieties in L2- ligands and the absence of solvent coordination sites on Zn(II), complex 1 exhibits a good thermal and acid-proof stability, and can be directly carbonized at 1000 degrees C under argon atmosphere into a new microporous carbon material C1000. The gas adsorption properties of desolvated 1a and microporous carbon C1000 have been studied by N-2 and CO2 sorption measurements.
机译:[ZnL] -5H(2)O(1,K2L =钾4'-呋喃基-2,2':6',2''-叔吡啶-4,4''二羧酸的3D锌-有机骨架具有在水热条件下合成。配合物1具有3D 2倍互穿的4连通sra网络,其孔由非配位呋喃环装饰,并且显示出在450 nm处达到峰值的宽广的蓝色发光带。由于L2-配体中的吡啶基部分的螯合作用以及Zn(II)上不存在溶剂配位点,因此配合物1具有良好的耐热和耐酸稳定性,并且可以在氩气气氛下于1000摄氏度下直接碳化成一种新型的微孔碳材料C1000。通过N-2和CO2吸附测量研究了去溶剂化的1a和微孔碳C1000的气体吸附性能。

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