Enhanced power factor in flexible reduced graphene oxide/nanowires hybrid films for thermoelectrics

Jie Gao, Chengyan Liu, Lei Miao, Xiaoyang Wang, Ying Peng, Yu Chen

研究成果: Article査読

24 被引用数 (Scopus)

抄録

Highly-flexible thermoelectric hybrid films based on reduced graphene oxide (RGO) and tellurium nanowire (Te NW) layered structure are fabricated via vacuum filtration. The electrical conductivity and Seebeck coefficient of the optimized hybrid film can reach 978 S m-1 and 286 μV K-1, respectively, pushing the power factor (PF) value up to 80 μW (m K2)-1 at 40 °C, approximately 80 times larger than the pure Te NW film, possibly due to the combination of the high carrier concentration of RGO and high carrier mobility of Te NWs. Meanwhile, the transport characteristics of hybrid films were revealed by the measurements of electrical conductivity, Seebeck coefficient, and Hall effect. This article provides a possible access to high-performance and flexible TE films based on RGO sheets and inorganic semiconductors.

本文言語English
ページ(範囲)31580-31587
ページ数8
ジャーナルRSC Advances
6
38
DOI
出版ステータスPublished - 2016
外部発表はい

ASJC Scopus subject areas

  • 化学 (全般)
  • 化学工学(全般)

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