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

机译：增强柔性石墨烯氧化物/纳米线混合膜的功率因数，用于热电

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摘要

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 mu V K-1, respectively, pushing the power factor (PF) value up to 80 mu W (m K-2)(-1) at 40 degrees 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.
机译：通过真空过滤制造基于还原的石墨烯氧化物（RGO）和纳米线（TE NW）层状结构的高度柔性的热电杂种膜。 优化的混合膜的电导率和塞贝克系数可以分别达到978 s M（-1）和286μmVk-1，将功率因数（PF）值推高达80μm（m k-2）（ -1）在40摄氏度下，比纯TE NW膜大约80倍，可能是由于RGO的高载体浓度和Te NWS的高载流子迁移率的组合。 同时，通过电导率，塞贝克系数和霍尔效应的测量揭示了混合膜的传输特性。 本文提供了基于RGO板材和无机半导体的高性能和柔性TE膜的可能性。

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  • 来源
    《RSC Advances》 |2016年第38期|共8页
  • 作者

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

  • 作者单位

    E China Univ Sci &

    Technol Sch Chem &

    Mol Engn Key Lab Adv Mat 130 Meilong Rd Shanghai 200237 Peoples R China;

    Guilin Univ Elect Technol Guangxi Collaborat Innovat Ctr Struct &

    Property Sch Mat Sci &

    Engn Guangxi Key Lab Informat Mat Guilin 541004 Peoples R China;

    Guilin Univ Elect Technol Guangxi Collaborat Innovat Ctr Struct &

    Property Sch Mat Sci &

    Engn Guangxi Key Lab Informat Mat Guilin 541004 Peoples R China;

    Guilin Univ Elect Technol Guangxi Collaborat Innovat Ctr Struct &

    Property Sch Mat Sci &

    Engn Guangxi Key Lab Informat Mat Guilin 541004 Peoples R China;

    Guilin Univ Elect Technol Guangxi Collaborat Innovat Ctr Struct &

    Property Sch Mat Sci &

    Engn Guangxi Key Lab Informat Mat Guilin 541004 Peoples R China;

    E China Univ Sci &

    Technol Sch Chem &

    Mol Engn Key Lab Adv Mat 130 Meilong Rd Shanghai 200237 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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