Bendable thermoelectric generators composed of p- and n-type silver chalcogenide nanoparticle thin films

Seunggen Yang, Kyoungah Cho, Yoonbeom Park, Sangsig Kim

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

In this study, we design and construct lateral thermoelectric generators on bendable substrates with pairs of p-Ag2Te and n-Ag2Se chalcogenide nanoparticle (NP) thin films, and investigate their thermoelectric performances in ambient atmosphere. The individual Seebeck coefficient and lateral thermal conductivity are 1110 μV/K and 0.67 W/m K, respectively, for a single p-Ag2Te thin film, and − 290 μV/K and 0.55 W/m K, respectively, for a single n-Ag2Se NP thin film. A ring-shaped thermoelectric generator made with 50 pn modules of these NP thin films at a temperature difference of 15 K generates a Seebeck voltage of 1.16 V and an output power of 106 mW/cm2. Moreover, the mechanical durability of our thermoelectric generator is verified by repeated bending tests of up to 5000 cycles.

Original languageEnglish
Pages (from-to)333-337
Number of pages5
JournalNano Energy
Volume49
DOIs
Publication statusPublished - 2018 Jul 1

Fingerprint

Silver
Nanoparticles
Thin films
Seebeck coefficient
Bending tests
Thermal conductivity
Durability
Electric potential
Substrates
Temperature

Keywords

  • AgSe
  • AgTe
  • Bendable thermoelectric
  • Nanoparticle thin film
  • Seebeck
  • Thermoelectric modules

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)
  • Electrical and Electronic Engineering

Cite this

Bendable thermoelectric generators composed of p- and n-type silver chalcogenide nanoparticle thin films. / Yang, Seunggen; Cho, Kyoungah; Park, Yoonbeom; Kim, Sangsig.

In: Nano Energy, Vol. 49, 01.07.2018, p. 333-337.

Research output: Contribution to journalArticle

Yang, Seunggen ; Cho, Kyoungah ; Park, Yoonbeom ; Kim, Sangsig. / Bendable thermoelectric generators composed of p- and n-type silver chalcogenide nanoparticle thin films. In: Nano Energy. 2018 ; Vol. 49. pp. 333-337.
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