Enhanced thermoelectric properties of sorbitol-mixed PEDOT:PSS thin films by chemical reduction

Enhanced thermoelectric properties of sorbitol-mixed PEDOT:PSS thin films by chemical reduction. Yang, E., Kim, J., Jung, B. J., & Kwak, J. Journal of Materials Science: Materials in Electronics, 26(5):2838–2843, May, 2015.

Paper doi abstract bibtex

This study systematically examined the thermoelectric (TE) properties of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) thin ﬁlms by enhancing the electrical conductivity with D-sorbitol and by controlling the oxidation level with tetrakis (dimethylamino) ethylene (TDAE) vapor treatment. Mixing sorbitol into PEDOT:PSS changed the morphology of the ﬁlms, increasing the electrical conductivity up to 722.06 S cm-1, which is over two orders of magnitude higher than that of pristine PEDOT:PSS (1.53 S cm-1). For even better TE properties, we subsequently exposed the ﬁlms to TDAE vapor (which is a well-known reducing agent) for various treatment times to control their oxidation levels. The difference in the redox state as a function of the reduction time was easily identiﬁed by the naked eye owing to the electrochromic properties of PEDOT:PSS. As a result, we obtained a high power factor of 22.28 lW m-1 K-2 from the sorbitol-mixed PEDOT:PSS thin ﬁlms that were treated via chemical reduction. This value is three times higher than that of devices without TDAE treatment (7.26 lW m-1 K-2). The properties and changes in the ﬁlms fabricated with sorbitol and TDAE treatments were characterized by atomic force microscopy and UV–VisNIR absorption.

@article{yang_enhanced_2015,
	title = {Enhanced thermoelectric properties of sorbitol-mixed {PEDOT}:{PSS} thin films by chemical reduction},
	volume = {26},
	issn = {0957-4522, 1573-482X},
	shorttitle = {Enhanced thermoelectric properties of sorbitol-mixed {PEDOT}},
	url = {http://link.springer.com/10.1007/s10854-015-2766-0},
	doi = {10.1007/s10854-015-2766-0},
	abstract = {This study systematically examined the thermoelectric (TE) properties of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) thin ﬁlms by enhancing the electrical conductivity with D-sorbitol and by controlling the oxidation level with tetrakis (dimethylamino) ethylene (TDAE) vapor treatment. Mixing sorbitol into PEDOT:PSS changed the morphology of the ﬁlms, increasing the electrical conductivity up to 722.06 S cm-1, which is over two orders of magnitude higher than that of pristine PEDOT:PSS (1.53 S cm-1). For even better TE properties, we subsequently exposed the ﬁlms to TDAE vapor (which is a well-known reducing agent) for various treatment times to control their oxidation levels. The difference in the redox state as a function of the reduction time was easily identiﬁed by the naked eye owing to the electrochromic properties of PEDOT:PSS. As a result, we obtained a high power factor of 22.28 lW m-1 K-2 from the sorbitol-mixed PEDOT:PSS thin ﬁlms that were treated via chemical reduction. This value is three times higher than that of devices without TDAE treatment (7.26 lW m-1 K-2). The properties and changes in the ﬁlms fabricated with sorbitol and TDAE treatments were characterized by atomic force microscopy and UV–VisNIR absorption.},
	language = {en},
	number = {5},
	urldate = {2024-08-07},
	journal = {Journal of Materials Science: Materials in Electronics},
	author = {Yang, Eunho and Kim, Jaeyun and Jung, Byung Jun and Kwak, Jeonghun},
	month = may,
	year = {2015},
	pages = {2838--2843},
	annote = {paragrafo 6
},
	file = {Enhanced thermoelectric properties of sorbitol-mixed.pdf:C\:\\Users\\Diego Chirai\\Desktop\\Projeto FAPESP\\Artigos Fapesp\\Enhanced thermoelectric properties of sorbitol-mixed.pdf:application/pdf;PDF:C\:\\Users\\Diego Chirai\\Zotero\\storage\\VLM2EFEN\\Yang et al. - 2015 - Enhanced thermoelectric properties of sorbitol-mixed PEDOTPSS thin films by chemical reduction.pdf:application/pdf},
}

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