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Field-effect modulation of the thermoelectric characteristics of silicon nanowires on plastic substrates
- Authors
- Choi, Jinyong; Jeon, Youngin; Cho, Kyoungah; Kim, Sangsig
- Issue Date
- 2-Dec-2016
- Publisher
- IOP PUBLISHING LTD
- Keywords
- Si nanowires; thermoelectric; field-effect; power factor
- Citation
- NANOTECHNOLOGY, v.27, no.48
- Indexed
- SCIE
SCOPUS
- Journal Title
- NANOTECHNOLOGY
- Volume
- 27
- Number
- 48
- ISSN
- 0957-4484
- Abstract
- In this study, we demonstrate the substantial enhancement of the thermoelectric power factors of silicon nanowires (SiNWs) on plastic substrates achievable by field-effect modulation. The Seebeck coefficient and electrical conductivity are adjusted by varying the charge carrier concentration via electrical modulation with a gate voltage in the 0 to +/- 5 range, thus enhancing the power factors from 2.08 to 935 mu WK(-2)m(-1)) for n-type SiNWs, and from 453 to 944 mu WK(-2)m(-1)) for p-type SiNWs. The electrically modulated thermoelectric characteristics of SiNWs are analyzed and discussed.
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Related Researcher
- Kim, Sang sig
- College of Engineering (School of Electrical Engineering)