Individual thermoelectric properties of electrodeposited bismuth telluride nanowires in polycarbonate membranes

Taehoo Chang; Sungmee Cho; Jeongmin Kim; Jonathan Schoenleber; Cedric Frantz; Nicolas Stein; Clotilde Boulanger; Wooyoung Lee

doi:10.1016/j.electacta.2015.02.105

Individual thermoelectric properties of electrodeposited bismuth telluride nanowires in polycarbonate membranes

Taehoo Chang, Sungmee Cho, Jeongmin Kim, Jonathan Schoenleber, Cedric Frantz, Nicolas Stein, Clotilde Boulanger, Wooyoung Lee

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

In this study, we examined individual bismuth telluride nanowires (NWs) electrodeposited in polycarbonate membranes (PCM) used as sacrificial templates. It has been demonstrated that the composition of Bi₂Te₃ is controlled by the electrodeposition conditions, e.g. the applied potential. High-resolution transmission electron microscopy (HRTEM) shows that the average grain size of NWs increases with increasing Te content. Our results also reveal that the electrodeposited bismuth telluride NWs are n-type, and their electrical conductivity increases with increasing Te content. These NWs also demonstrated a maximum power factor of 195.8 mW/m·K² for the Te-rich NW (d = 162 nm) at 300 K.

Original language	English
Pages (from-to)	403-407
Number of pages	5
Journal	Electrochimica Acta
Volume	161
DOIs	https://doi.org/10.1016/j.electacta.2015.02.105
Publication status	Published - 2015 Apr 10

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (2014R1A2A1A10053869), and the Priority Research Centers Program (2009-0093823) and the Pioneer Research Center Program (2013008070) through the NRF.

Funding Information:
This work was also supported by the European Union “Fonds Européen de Développement Régional” n° 35962 and the Hubert Curien exchange program STAR 2011 n° 25853NF. The authors thank Dr. E. Toimil-Molares (GSI, Darmstadt, germany) for the ion-track irradiation.

Publisher Copyright:
© 2015 Published by Elsevier Ltd.

All Science Journal Classification (ASJC) codes

Chemical Engineering(all)
Electrochemistry

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title = "Individual thermoelectric properties of electrodeposited bismuth telluride nanowires in polycarbonate membranes",

abstract = "In this study, we examined individual bismuth telluride nanowires (NWs) electrodeposited in polycarbonate membranes (PCM) used as sacrificial templates. It has been demonstrated that the composition of Bi2Te3 is controlled by the electrodeposition conditions, e.g. the applied potential. High-resolution transmission electron microscopy (HRTEM) shows that the average grain size of NWs increases with increasing Te content. Our results also reveal that the electrodeposited bismuth telluride NWs are n-type, and their electrical conductivity increases with increasing Te content. These NWs also demonstrated a maximum power factor of 195.8 mW/m·K2 for the Te-rich NW (d = 162 nm) at 300 K.",

author = "Taehoo Chang and Sungmee Cho and Jeongmin Kim and Jonathan Schoenleber and Cedric Frantz and Nicolas Stein and Clotilde Boulanger and Wooyoung Lee",

note = "Funding Information: This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (2014R1A2A1A10053869), and the Priority Research Centers Program (2009-0093823) and the Pioneer Research Center Program (2013008070) through the NRF. Funding Information: This work was also supported by the European Union “Fonds Europ{\'e}en de D{\'e}veloppement R{\'e}gional” n° 35962 and the Hubert Curien exchange program STAR 2011 n° 25853NF. The authors thank Dr. E. Toimil-Molares (GSI, Darmstadt, germany) for the ion-track irradiation. Publisher Copyright: {\textcopyright} 2015 Published by Elsevier Ltd.",

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Individual thermoelectric properties of electrodeposited bismuth telluride nanowires in polycarbonate membranes. / Chang, Taehoo; Cho, Sungmee; Kim, Jeongmin; Schoenleber, Jonathan; Frantz, Cedric; Stein, Nicolas; Boulanger, Clotilde; Lee, Wooyoung.

In: Electrochimica Acta, Vol. 161, 10.04.2015, p. 403-407.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Individual thermoelectric properties of electrodeposited bismuth telluride nanowires in polycarbonate membranes

AU - Chang, Taehoo

AU - Cho, Sungmee

AU - Kim, Jeongmin

AU - Schoenleber, Jonathan

AU - Frantz, Cedric

AU - Stein, Nicolas

AU - Boulanger, Clotilde

AU - Lee, Wooyoung

N1 - Funding Information: This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (2014R1A2A1A10053869), and the Priority Research Centers Program (2009-0093823) and the Pioneer Research Center Program (2013008070) through the NRF. Funding Information: This work was also supported by the European Union “Fonds Européen de Développement Régional” n° 35962 and the Hubert Curien exchange program STAR 2011 n° 25853NF. The authors thank Dr. E. Toimil-Molares (GSI, Darmstadt, germany) for the ion-track irradiation. Publisher Copyright: © 2015 Published by Elsevier Ltd.

PY - 2015/4/10

Y1 - 2015/4/10

N2 - In this study, we examined individual bismuth telluride nanowires (NWs) electrodeposited in polycarbonate membranes (PCM) used as sacrificial templates. It has been demonstrated that the composition of Bi2Te3 is controlled by the electrodeposition conditions, e.g. the applied potential. High-resolution transmission electron microscopy (HRTEM) shows that the average grain size of NWs increases with increasing Te content. Our results also reveal that the electrodeposited bismuth telluride NWs are n-type, and their electrical conductivity increases with increasing Te content. These NWs also demonstrated a maximum power factor of 195.8 mW/m·K2 for the Te-rich NW (d = 162 nm) at 300 K.

AB - In this study, we examined individual bismuth telluride nanowires (NWs) electrodeposited in polycarbonate membranes (PCM) used as sacrificial templates. It has been demonstrated that the composition of Bi2Te3 is controlled by the electrodeposition conditions, e.g. the applied potential. High-resolution transmission electron microscopy (HRTEM) shows that the average grain size of NWs increases with increasing Te content. Our results also reveal that the electrodeposited bismuth telluride NWs are n-type, and their electrical conductivity increases with increasing Te content. These NWs also demonstrated a maximum power factor of 195.8 mW/m·K2 for the Te-rich NW (d = 162 nm) at 300 K.

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Individual thermoelectric properties of electrodeposited bismuth telluride nanowires in polycarbonate membranes

Abstract

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