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RSC Adv


Title:Selective fluorescent sensing of LMOFs constructed from tri(4-pyridylphenyl)amine ligand
Author(s):Ni JL; Liang Y; Shao JJ; Li JF; Zhou ZY; Wang FM; Chen LZ;
Address:"School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology Zhenjiang Jiangsu 212003 China wangfmzj@just.edu.cn clz1977@sina.com"
Journal Title:RSC Adv
Year:2021
Volume:20210507
Issue:28
Page Number:16989 - 16995
DOI: 10.1039/d1ra00726b
ISSN/ISBN:2046-2069 (Electronic) 2046-2069 (Linking)
Abstract:"Three new luminescent metal-organic frameworks (LMOFs), [Zn(tppa)(ndc)] (n) (1), [Cd(tppa)(oba)] (n) (2), [Zn(2)(tppa)(bpdc)(2)] (n) (3) (tppa = tri(4-pyridylphenyl)amine, ndc = 1,4-naphthalenedicarboxylic acid, oba = 4,4'-oxydibenzoic acid, bpdc = 4,4'-biphenyldicarboxylic acid) have been synthesized by solvothermal method. Complexes 1 and 2 are 2-D two-fold interpenetrating structures, aligning into a 3-D structure through C-Hcdots, three dots, centeredpi stacking interactions, while 3 is a 5-fold interpenetrating three-dimensional structure. The internal quantum yields (IQYs) of complexes 1-3 are 32.7%, 45.7% and 24.0% (lambda (ex) = 365 nm), separately. Furthermore, all the complexes show different luminescence signal changes towards aromatic volatile organic compounds (AVOCs). Complex 1 exhibits a high sensitivity in the detection of both Fe(3+) and Cr(3+) with large quenching coefficients of K (sv) 2.57 x 10(4) M(-1) and 2.96 x 10(4) M(-1), respectively. All these results demonstrated potential applications in chemical sensing"
Keywords:
Notes:"PubMed-not-MEDLINENi, Jian-Ling Liang, Yu Shao, Juan-Juan Li, Jun-Feng Zhou, Ze-Yu Wang, Fang-Ming Chen, Li-Zhuang eng England 2022/04/29 RSC Adv. 2021 May 7; 11(28):16989-16995. doi: 10.1039/d1ra00726b. eCollection 2021 May 6"

 
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