@article{Wu2021, 
author = {Ai-Qian Wu and Wen-Qing Wang and Hong-Bin Zhan and Lin-An Cao and Xiao-Liang Ye and Jia-Jia Zheng and Pendyala Naresh Kumar and Kashi Chiranjeevulu and Wei-Hua Deng and Guan-E Wang and Ming-Shui Yao and Gang Xu},
title = {Layer-by-layer assembled dual-ligand conductive MOF nano-films with modulated chemiresistive sensitivity and selectivity},
year = {2021},
journal = {Nano Research},
volume = {14},
number = {2},
pages = {438-443},
keywords = {metal-organic frameworks, gas sensors, thin films, electronic conductivity, dual-ligand},
url = {https://www.sciopen.com/article/10.1007/s12274-020-2823-8},
doi = {10.1007/s12274-020-2823-8},
abstract = {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.}
}