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首页> 外文期刊>ACS applied materials & interfaces >Superlow Thermal Conductivity 3D Carbon Nanotube Network for Thermoelectric Applications
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Superlow Thermal Conductivity 3D Carbon Nanotube Network for Thermoelectric Applications

机译：用于热电应用的超低导热3D碳纳米管网络

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摘要

Electrical and thermal transportation properties of a novel structured 3D CNT network have been systematically investigated. The 3D CNT net work maintains extremely low thermal conductivity of only 0.035 W/(m K) in standard atmosphere at room temperature, which is among the lowest compared with other reported CNT macrostructures. Its electrical transportation could be adjusted through a convenient gas-fuming doping process. By potassium (K) doping, the original p-type CNT network converted to n-type, whereas iodine (I2) doping enhanced its electrical conductivity. The self-sustainable homogeneous network structure of as-fabricated 3D CNT network made it a promising candidate as the template for polymer composition. By in situ nanoscaled composition of 3D CNT network with polyaniline (PANI), the thermoelectric performance of PANI was significantly improved, while the self-sustainable and flexible structure of the 3D CNT network has been retained. It is hoped that as-fabricated 3D CNT network will contribute to the development of low-cost organic thermoelectric area.
机译：已经系统地研究了新型结构化3D CNT网络的电和热传输性质。 3D CNT网络在室温下在标准大气中保持的导热系数非常低，仅为0.035 W /（m K），与其他已报道的CNT宏观结构相比，导热系数最低。可以通过便利的气体发烟掺杂工艺来调整其电传输。通过钾（K）掺杂，原始的p型CNT网络转换为n型，而碘（I2）掺杂增强了其电导率。预制的3D CNT网络的自可持续均质网络结构使其成为聚合物组合物模板的有希望的候选者。通过与聚苯胺（PANI）的3D CNT网络的原位纳米级组成，PANI的热电性能得到了显着改善，同时3D CNT网络的自持性和柔性结构得以保留。希望预制的3D CNT网络将为低成本有机热电领域的发展做出贡献。

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