Superconductivity in Potassium-Doped Few-Layer Graphene

Here we report the successful synthesis of superconducting potassium-doped few-layer graphene (K-doped FLG) with a transition temperature of 4.5 K, which is 1 order of magnitude higher than that observed in the bulk potassium graphite intercalation compound (GIC) KC8 (T c = 0.39 K). The realization...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2012-04, Vol.134 (15), p.6536-6539
Main Authors: Xue, Mianqi, Chen, Genfu, Yang, Huaixin, Zhu, Yuanhua, Wang, Duming, He, Junbao, Cao, Tingbing
Format: Article
Language:English
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Summary:Here we report the successful synthesis of superconducting potassium-doped few-layer graphene (K-doped FLG) with a transition temperature of 4.5 K, which is 1 order of magnitude higher than that observed in the bulk potassium graphite intercalation compound (GIC) KC8 (T c = 0.39 K). The realization of superconductivity in K-doped FLG shows the potential for the development of new superconducting electronic devices using two-dimensional (2D) graphene as a basis material.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja3003217