期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 3, 期 32, 页码 16598-16603出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ta03537f
关键词
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资金
- National Basic Research Program of China (973 Program) [2012CB821703, 2014CB931804]
- NSFC [21120102034]
- National Natural Science Foundation of China [21374113]
A V-shaped aromatic ligand 1,3-di(4-carboxyphenyl)benzene (H2DCPB), retaining only one branch of the H6TDCPB ligand, was utilized. The assembly of this ligand with Zn(II) ions forms a two-fold interpenetrated porous MOF with pcu topology (JUC-135). The N-2 adsorption isotherm of the activated sample at 77 K revealed type-I microporous characteristics. The BET and Langmuir surface areas are calculated to be 503.7 m(2) g(-1) and 718.9 m(2) g(-1), respectively. Notably, by the fluorescence technique, JUC-135 can be used to detect nitroaromatic explosives. In particular, it is one of the most efficient porous material-based sensors for TNP(K-SV = 3.7 x 10(4) M-1). Furthermore, JUC-135 also can distinguish TNP (blue-shift) from NB, 1,3-DNB and 2,4-DNT (red-shift) by virtue of the shift direction of fluorescence spectra.
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