环氧基纳米电介质中氧化石墨烯的原位热还原:对介电性能的影响

2013 Annual Report Conference on Electrical Insulation and Dielectric Phenomena Pub Date : 2013-10-01 DOI:10.1109/CEIDP.2013.6748226

P. Mancinelli, T. Heid, D. Fabiani, A. Saccani, M. Toselli, M. Frechette, S. Savoie, É. David

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引用次数: 9

摘要

将氧化石墨烯(GO)水溶液加入环氧树脂中进行混合。水在低压下蒸发，得到的混合物通过胺固化。在130℃下加热氧化石墨烯环氧树脂样品，进行了氧化石墨烯的原位化学还原。即使在基体中分散0.3 wt%的氧化石墨烯，与纯环氧树脂相比，这些石墨烯基样品的介电常数也增加了50%以上。该方法可为绝缘材料的电性能调整开辟一条新途径。

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Thermal in situ reduction of graphene oxide in epoxy-based nanodielectrics: Influence on dielectric properties

Graphene oxide (GO) water solution has been added and mixed to epoxy resin. Water has been evaporated at low pressure and the resulting mixture has been cured through an amine. Heating GO-epoxy samples at 130°C in situ chemical reduction of GO has been carried out. Dielectric constant of these graphene-based samples shows an increase of more than 50% compared to neat epoxy even for 0.3 wt% of GO dispersed into the matrix. This procedure may open a new way on tuning electrical properties of insulating materials.

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2013 Annual Report Conference on Electrical Insulation and Dielectric Phenomena

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