Organic electronic nose using semi-permeable polymer membrane and method for detecting chemical species using the same
AssigneesUniversity of Seoul Industry Cooperation Foundation, University-Industry Cooperation Group of Kyung Hee University
InventorsJung Hwa SEO, Yu Jung PARK, Bright James WALKER, Mallory MATIVENGA, Jae Young KIM, Jae Hyeon LEE
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Abstract
Provided is an organic electronic nose using a semi-permeable polymer membrane and also provided is a method for detecting chemical species using the same, in which the organic electronic nose using a novel polyvinyl alcohol-based semi-permeable polymer membrane can detect and distinguish the chemical species with significantly enhanced selectivity for analytes.
Claims18
An acylated polyvinyl alcohol compound represented by Chemical Formula 1:
- where, R is
- and n is an integer from 50 to 5000.
A cross-linked acylated polyvinyl alcohol compound represented by Chemical Formula (2):
- where, n is an integer from 50 to 5000.
A method for preparing an acylated polyvinyl alcohol compound of Chemical Formula 1, the method including the steps of:
- (a) dissolving a polyvinyl alcohol of Chemical Formula 3 in a solvent in a microwave reactor;
- and
- (b) adding a base and an acyl chloride of Chemical Formula 4 to the dissolved polyvinyl alcohol and allowing them to react;
- where, R is
- and n is an integer from 50 to 5000,
- where, n is an integer from 50 to 5000, and
A method for preparing a cross-linked acylated polyvinyl alcohol compound of Chemical Formula 2, comprising a step of cross-linking a poly (vinyl cinamate) of Chemical Formula 1-4 by irradiating it with UV light:
- where, n is an integer from 50 to 5000;
- where, n is an integer from 50 to 5000.
A method for preparing a chemical sensor, comprising a step of coating an OFET with the compound of Chemical Formula 1-4 and then irradiating the OFET with ultraviolet light.
Dependencies are inferred from the claim text.