N-type organic thermoelectric materials based on polyaniline doped with the aprotic ionic liquid 1-ethyl-3-methylimidazolium ethyl sulfate

Dohyuk Yoo; Jung Joon Lee; Chanil Park; Hyang Hee Choi; Jung Hyun Kim

doi:10.1039/c6ra02334g

N-type organic thermoelectric materials based on polyaniline doped with the aprotic ionic liquid 1-ethyl-3-methylimidazolium ethyl sulfate

Dohyuk Yoo, Jung Joon Lee, Chanil Park, Hyang Hee Choi, Jung Hyun Kim

Department of Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

40 Citations (Scopus)

Abstract

The thermopower performance of polyaniline doped with the considerably reliable ionic liquid 1-ethyl-3-methylimidazolium ethyl sulfate was investigated to determine its potential as an alternative to fossil fuels. The ionic liquid, a stable ion complex, was used as the chemical dopant to confer n-type electrical properties to the polyaniline conducting polymer. The ionic liquid-doped polyaniline had an electrical conductivity, n-type Seebeck coefficient, and thermopower execution of 0.23 S m^-1, -138.8 μV K^-1, and 4.43 × 10^-3 μW m^-1 K^-2, respectively as a result of the chemical doping method and thermal treatment. In addition, the ionic liquid-doped polyaniline realized a stable n-type thermoelectric performance under ambient conditions for 15 days.

Original language	English
Pages (from-to)	37130-37135
Number of pages	6
Journal	RSC Advances
Volume	6
Issue number	43
DOIs	https://doi.org/10.1039/c6ra02334g
Publication status	Published - 2016

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Publisher Copyright:
© 2016 The Royal Society of Chemistry.

All Science Journal Classification (ASJC) codes

General Chemistry
General Chemical Engineering

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10.1039/c6ra02334g

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abstract = "The thermopower performance of polyaniline doped with the considerably reliable ionic liquid 1-ethyl-3-methylimidazolium ethyl sulfate was investigated to determine its potential as an alternative to fossil fuels. The ionic liquid, a stable ion complex, was used as the chemical dopant to confer n-type electrical properties to the polyaniline conducting polymer. The ionic liquid-doped polyaniline had an electrical conductivity, n-type Seebeck coefficient, and thermopower execution of 0.23 S m-1, -138.8 μV K-1, and 4.43 × 10-3 μW m-1 K-2, respectively as a result of the chemical doping method and thermal treatment. In addition, the ionic liquid-doped polyaniline realized a stable n-type thermoelectric performance under ambient conditions for 15 days.",

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AU - Choi, Hyang Hee

AU - Kim, Jung Hyun

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N-type organic thermoelectric materials based on polyaniline doped with the aprotic ionic liquid 1-ethyl-3-methylimidazolium ethyl sulfate

Abstract

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