【摘 要】
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In this paper,a dual-ligand design strategy is demonstrated to modulate the performance of the electronically conductive metal-organic frameworks (EC-MOFs) thin
【机 构】
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College of Materials Science and Engineering,Fuzhou University,Fuzhou 350108,China;State Key Laborat
论文部分内容阅读
In this paper,a dual-ligand design strategy is demonstrated to modulate the performance of the electronically conductive metal-organic frameworks (EC-MOFs) thin film with a spray layer-by-layer assembly method.The thin film not only can be precisely prepared in nanometer scale (20-70 nm),but also shows the pin-hole-free smooth surface.The high quality nano-film of 2,3,6,7,10,11-hexaiminotriphenylene (HITP) doped Cu-HHTP enables the precise modulation of the chemiresistive sensitivity and selectivity.Selectivity improvement over 220% were realized for benzene vs.NH3,as well as enhanced response and recovery properties.In addition,the selectivity of the EC-MOF thin film sensors toward other gases (e.g.triethylamine,methane,ethylbenzene,hydrogen,butanone,and acetone) vs.NH3 at room temperature is also discussed.
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