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Issue 5, 2020
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An ultrafast responsive NO2 gas sensor based on a hydrogen-bonded organic framework material

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Abstract

We report the development of a new type of organic semiconductor gas sensor based on a porphyrin-based hydrogen-bonded organic framework (HOF). Owing to the orderly porous structures, the decoration with rich amino sites and the n-type semiconductor nature, this HOF-based sensor exhibits selective NO2 sensing performance with ultra-fast response/recovery rates (17.6 s/15.4 s over 100 ppb) and a limit of detection lower than 40 ppb, together with high sensitivity, good reproducibility, and long-term stability at room temperature. This study demonstrates that HOF-based materials have potential application prospects in gas sensing, thereby offering a new way of thinking for the design and development of sensors.

Graphical abstract: An ultrafast responsive NO2 gas sensor based on a hydrogen-bonded organic framework material

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Supplementary files

Article information


Submitted
25 Nov 2019
Accepted
05 Dec 2019
First published
06 Dec 2019

Chem. Commun., 2020,56, 703-706
Article type
Communication

An ultrafast responsive NO2 gas sensor based on a hydrogen-bonded organic framework material

Y. Wang, D. Liu, J. Yin, Y. Shang, J. Du, Z. Kang, R. Wang, Y. Chen, D. Sun and J. Jiang, Chem. Commun., 2020, 56, 703
DOI: 10.1039/C9CC09171H

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