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http://dx.doi.org/10.5370/KIEE.2016.65.4.611

Effect of Annealing Temperature on Thermoelectric Properties of Ag2Se Nanoparticle Thin Films  

Yang, Seunggen (Dept. of Electrical Engineering, Korea University)
Cho, Kyoungah (Dept. of Electrical Engineering, Korea University)
Yun, Junggwon (Dept. of Electrical Engineering, Korea University)
Choi, Jinyong (Dept. of Electrical Engineering, Korea University)
Kim, Sangsig (Dept. of Electrical Engineering, Korea University)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.65, no.4, 2016 , pp. 611-616 More about this Journal
Abstract
In this study, we synthesized $Ag_2Se$ nanoparticles (NPs) in an aqueous solution and investigated the thermoelectric characteristics of $Ag_2Se$ NPs thin films on plastic substrates. Regardless of thermal annealing treatment, all the $Ag_2Se$ 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 $180^{\circ}C$ is larger by $10^6$ times, compared with the as-prepared thin film, And the maximum power density for the thin film annealed at $180^{\circ}C$ is calculated to be $44{\mu}W/cm^2$.
Keywords
Thermoelectric; Silver selenide; Nanoparticles; Seebeck coefficient; Plastic substrate; Annealing;
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