Effect of annealing temperature on thermoelectric properties of Ag2Se nanoparticle thin films

Seunggen Yang; Kyoungah Cho; Junggwon Yun; Jinyong Choi; Sangsig Kim

doi:10.5370/KIEE.2016.65.4.611

Effect of annealing temperature on thermoelectric properties of Ag2Se nanoparticle thin films

Seunggen Yang, Kyoungah Cho, Junggwon Yun, Jinyong Choi, Sangsig Kim

School of Electrical Engineering

Research output: Contribution to journal › Article

Abstract

In this study, we synthesized Ag2Se nanoparticles (NPs) in an aqueous solution and investigated the thermoelectric characteristics of Ag2Se NPs thin films on plastic substrates. Regardless of thermal annealing treatment, all the Ag2Se NPs thin films show the negative Seebeck coefficients, indicating the n-type characteristics. As the annealing temperature increases, the electric conductivity increases while the Seebeck coefficient decreases. The electric conductivity of the thin film annealed at 180°C is larger by 106 times, compared with the as-prepared thin film, And the maximum power density for the thin film annealed at 180°C is calculated to be 44 μW/cm2.

Original language	English
Pages (from-to)	611-616
Number of pages	6
Journal	Transactions of the Korean Institute of Electrical Engineers
Volume	65
Issue number	4
DOIs	https://doi.org/10.5370/KIEE.2016.65.4.611
Publication status	Published - 2016 Apr 1

Keywords

Annealing
Nanoparticles
Plastic substrate
Seebeck coefficient
Silver selenide
Thermoelectric

ASJC Scopus subject areas

Electrical and Electronic Engineering

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title = "Effect of annealing temperature on thermoelectric properties of Ag2Se nanoparticle thin films",

abstract = "In this study, we synthesized Ag2Se nanoparticles (NPs) in an aqueous solution and investigated the thermoelectric characteristics of Ag2Se NPs thin films on plastic substrates. Regardless of thermal annealing treatment, all the Ag2Se NPs thin films show the negative Seebeck coefficients, indicating the n-type characteristics. As the annealing temperature increases, the electric conductivity increases while the Seebeck coefficient decreases. The electric conductivity of the thin film annealed at 180°C is larger by 106 times, compared with the as-prepared thin film, And the maximum power density for the thin film annealed at 180°C is calculated to be 44 μW/cm2.",

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T1 - Effect of annealing temperature on thermoelectric properties of Ag2Se nanoparticle thin films

AU - Yang, Seunggen

AU - Cho, Kyoungah

AU - Yun, Junggwon

AU - Choi, Jinyong

AU - Kim, Sangsig

PY - 2016/4/1

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N2 - In this study, we synthesized Ag2Se nanoparticles (NPs) in an aqueous solution and investigated the thermoelectric characteristics of Ag2Se NPs thin films on plastic substrates. Regardless of thermal annealing treatment, all the Ag2Se NPs thin films show the negative Seebeck coefficients, indicating the n-type characteristics. As the annealing temperature increases, the electric conductivity increases while the Seebeck coefficient decreases. The electric conductivity of the thin film annealed at 180°C is larger by 106 times, compared with the as-prepared thin film, And the maximum power density for the thin film annealed at 180°C is calculated to be 44 μW/cm2.

AB - In this study, we synthesized Ag2Se nanoparticles (NPs) in an aqueous solution and investigated the thermoelectric characteristics of Ag2Se NPs thin films on plastic substrates. Regardless of thermal annealing treatment, all the Ag2Se NPs thin films show the negative Seebeck coefficients, indicating the n-type characteristics. As the annealing temperature increases, the electric conductivity increases while the Seebeck coefficient decreases. The electric conductivity of the thin film annealed at 180°C is larger by 106 times, compared with the as-prepared thin film, And the maximum power density for the thin film annealed at 180°C is calculated to be 44 μW/cm2.

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KW - Nanoparticles

KW - Plastic substrate

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KW - Thermoelectric

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