期刊
CURRENT ORGANIC CHEMISTRY
卷 18, 期 15, 页码 1957-1964出版社
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/1385272819666140514004734
关键词
Carbon nanotubes; chemiresistor; electronic sensor; field-effect transistor; host-guest interaction; molecular recognition; organic semiconductor; supramolecular chemistry
Supramolecular host-guest chemistry allows sensitive and selective recognition of a certain substrate by using a rationally designed receptor. Such a molecular receptor can be incorporated into an electronic chemical sensor so that the anticipated host-guest binding event can be transduced directly into electric signals. In particular, chemiresistors and chemically sensitive field-effect transistors report the change of conductance/resistance of the active conducting materials upon the desired supramolecular binding event via varied mechanisms. This mini-review highlights the recent advances in the development of electronic sensors, in which the active conducting/semiconducting materials are incorporated with specific supramolecular receptors. Depending on the nature of the active conducting layer, these devices can be categorized into carbon materials-based sensors and organic semiconductor-based sensors. At the end of this review, an outlook of the related field is provided and discussed.
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