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곽상규

Kwak, Sang Kyu
Kyu’s MolSim Lab @ UNIST
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Highly Sensitive and Selective Liquid-Phase Sensors Based on a Solvent-Resistant Semiconducting Layers

Author(s)
Kwak, Sang KyuLee, MooyeolKim, HyoungjoonJung, GwanyoungHan, AarumKim, BumjunOh, Junhak
Issued Date
2015-04-30
URI
https://scholarworks.unist.ac.kr/handle/201301/42099
Fulltext
https://www.cheric.org/research/tech/proceedings/view.php?seq=120498&page=52&proceedingssearch=
Citation
한국공업화학회 봄총회, v.19, no.1
Abstract
Sensors based on organic field-effect transistor (OFETs) platform have attracted great interest owing to their high potentials in light-weight, flexibility, and large area electronics. However, organic semiconductors have critical drawback to become a ‘practical’ sensor; poor resistance of organic semiconductors in common organic solvents. For this drawback, OFET-based sensors have been only demonstrated with vapor- and aqueous-phase analytes. Herein, we demonstrate the highly sensitive and selective OFET-based sensors based on solvent-resistant semiconducting layers. The cross-linked P3HT-azide copolymer has been introduced to increase the chemical resistance of the devices toward organic solvents. Various sensing demonstration were conducted by using various liquid-phase organic solvents and pH solutions.
Publisher
한국공업화학회

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