Mingling Electronic Chemical Sensors with Supramolecular Host-Guest Chemistry

ISSN: 1875-5348 (Online)
ISSN: 1385-2728 (Print)


Volume 18, 24 Issues, 2014


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Mingling Electronic Chemical Sensors with Supramolecular Host-Guest Chemistry

Author(s): Congzhi Zhu and Lei Fang

Affiliation: Department of Chemistry, Texas A&M University, 3255 TAMU, College Station, TX 77843, USA.

Abstract

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.




Keywords: Carbon nanotubes, chemiresistor, electronic sensor, field-effect transistor, host-guest interaction, molecular recognition, organic semiconductor, supramolecular chemistry.

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Article Details

Volume: 18
Issue Number: 15
First Page: 1957
Last Page: 1964
Page Count: 8
DOI: 10.2174/1385272819666140514004734
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