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A Stable Polyoxometalate‐Pillared Metal–Organic Framework for Proton‐Conducting and Colorimetric Biosensing
Author(s) -
Zhou EnLong,
Qin Chao,
Huang Peng,
Wang XinLong,
Chen WeiChao,
Shao KuiZhan,
Su ZhongMin
Publication year - 2015
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201501515
Subject(s) - polyoxometalate , adsorption , proton , ring (chemistry) , metal , hydrothermal circulation , chemistry , azolla , triazole , materials science , inorganic chemistry , chemical engineering , organic chemistry , catalysis , physics , quantum mechanics , engineering , agronomy , biology
A stable metal–organic framework pillared by Keggin‐type polyoxometalate, Cu 6 (Trz) 10 (H 2 O) 4 [H 2 SiW 12 O 40 ]⋅8 H 2 O (Trz=1,2,4‐triazole) ( 1 ), has been prepared under hydrothermal condition. The 2D layer structure with a 22‐member ring was formed by Cu 2+ ions, which are connected with each other via the Trz ligands on the ab plane. Thus, the 2D layers are further interconnected through Keggin polyoxoanions to generate a 3D porous network with a small 1D channel. Moreover, the presence of polyoxoanions make it exhibit selective adsorption of water and proton‐conducting properties. Additionally it showed efficient intrinsic peroxidase‐like activity, providing a simple and sensitive colorimetric assay to detect H 2 O 2 .
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