Silicon as a ubiquitous contaminant in graphene derivatives with significant impact on device performance

Silicon as a ubiquitous contaminant in graphene derivatives with significant impact on device performance

Silicon-based contaminants are ubiquitous in natural graphite, and they are thus expected to be present in exfoliated graphene. Here, the authors show that such impurities play a non-negligible role in graphene-based devices, and use high-purity parent graphite to boost the performance of graphene s...

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Autores principales: Rouhollah Jalili, Dorna Esrafilzadeh, Seyed Hamed Aboutalebi, Ylias M. Sabri, Ahmad E. Kandjani, Suresh K. Bhargava, Enrico Della Gaspera, Thomas R. Gengenbach, Ashley Walker, Yunfeng Chao, Caiyun Wang, Hossein Alimadadi, David R. G. Mitchell, David L. Officer, Douglas R. MacFarlane, Gordon G. Wallace
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2018
Materias:
Science
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Acceso en línea:https://doaj.org/article/1105a779b91243f99c4d1c117bf9e4f9
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Sumario:Silicon-based contaminants are ubiquitous in natural graphite, and they are thus expected to be present in exfoliated graphene. Here, the authors show that such impurities play a non-negligible role in graphene-based devices, and use high-purity parent graphite to boost the performance of graphene sensors and supercapacitor microelectrodes.

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