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Spectrochim Acta A Mol Biomol Spectrosc

Title:		"Construction of dual-functional nitrogen-enriched fluorescent porous organic polymers for detecting m-dinitrobenzene, picric acid and capturing iodine"
Author(s):		Geng TM; Hu C; Liu M; Xia HY;
Address:		"AnHui Province Key Laboratory of Optoelectronic and Magnetism Functional Materials, School of Chemistry and Chemical Engineering, Anqing Normal University, Anqing 246011, China. Electronic address: gengtongmou@aqnu.edu.cn. AnHui Province Key Laboratory of Optoelectronic and Magnetism Functional Materials, School of Chemistry and Chemical Engineering, Anqing Normal University, Anqing 246011, China"
Journal Title:		Spectrochim Acta A Mol Biomol Spectrosc
Year:		2021
Volume:		20210417
Issue:
Page Number:		119852 -
DOI:		10.1016/j.saa.2021.119852
ISSN/ISBN:		1873-3557 (Electronic) 1386-1425 (Linking)
Abstract:		"Two novel nitrogen-enriched porous organic polymers (POPs), HBP and TBP, were constructed via nucleophilic substitution reactions with high nitrogen contents up to 24.91% and 32.92% for sensing to nitroaromatic compounds (NACs) and adsorbing iodine. They were all systematically characterized by solid-state (13)C NMR, FT-IR, elemental analysis, solid-state UV-Vis, and other material analysis methods. The experimental data proved that both POPs possess high chemical and thermal stability, excellent fluorescence performance, and porous properties with Brunauer-Emmett-Teller (BET) specific surface areas of 32.88 and 68.00 m(2) g(-1). The two POPs have dual functions of fluorescence sensing and adsorption. On the one hand, due to their excellent conjugated properties and nitrogen-enriched structures, HBP and TBP exhibited incredibly high sensitivity to m-dinitrobenzene (m-DNB) and picric acid (PA) with K(SV) values of 2.57 x 10(5) and 4.93 x 10(4) L mol(-1) and limits of detection of 1.17 x 10(-11) and 6.08 x 10(-11) mol L(-1), respectively. On the other hand, owing to the plenty of nitrogen affinity sites, they exhibited excellent volatile iodine adsorption with 2.23 and 2.66 g g(-1), respectively"
Keywords:		"2, 2'-bipyrrol Fluorescence sensing Iodine adsorption Nitroaromatic compounds Porous organic polymers;"
Notes:		"PubMed-not-MEDLINEGeng, Tong-Mou Hu, Chen Liu, Min Xia, Hong-Yu eng England 2021/05/01 Spectrochim Acta A Mol Biomol Spectrosc. 2021 Sep 5; 258:119852. doi: 10.1016/j.saa.2021.119852. Epub 2021 Apr 17"