The magic of integration:Exploring the construction of dithienylethene-based infinite coordination polymers and their synergistic effect for gaseous ammonia probe applications |
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Authors: | Yan-Kai Lia;Jun-Ji Zhang;Zi-Jun Bian;You-Xin Fu;Fei Liu;Chen-Hui Wang;Xiang Ma;Jun Hu;Hong-Lai Liu; |
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Institution: | a Key Laboratory for Advanced Materials and Department of Chemistry, East China University of Science and Technology, Shanghai 200237, China;
b Key Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science and Technology, Shanghai 200237, China;
c Xi'an Thermal Power Research Institute Co., Ltd. (Suzhou Branch), Suzhou 215153, China |
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Abstract: | Infinite coordination polymers are recognized as excellent platform for functionalization. Dithienylethene motifs, which are one of the most attractive functional moieties, were incorporated into an infinite coordination polymer, to deliver a "smart" porous material that can response to external stimuli. The obtained dithienylethene-based infinite coordination polymers (named Cu-DTEDBA) share the advantages of both infinite coordination polymers (porosity and stability) and dithienylethene motifs (photochromism). The physical and chemical properties of Cu-DTEDBA were characterized by FTIR, TEM, SEM, XRD, TGA, UV-vis, EDX and BET. Moreover, the combination of dithienylethene and infinite coordination polymers gives rise to a synergistic effect, which induces functional behaviors of ammonia sensor applications. Both open and closed forms of Cu-DTEDBA exhibit distinct colorimetric change upon exposure to gaseous ammonia, which is not observed in dithienylethene free molecules. |
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Keywords: | Dithienylethene Photochromism Infinite coordination polymers Synergistic effect Gaseous ammonia probe |
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