期刊
CHEMICAL COMMUNICATIONS
卷 56, 期 5, 页码 703-706出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9cc09171h
关键词
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资金
- National Natural Science Foundation of China [21631003, 21771193, 21571187]
- Taishan Scholar Foundation
- Fundamental Research Funds for the Central Universities [18CX05020A]
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.
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