Method for Controlling Electrical Properties of Single-Layer Graphene Nanoribbons via Adsorbed Planar Molecular Nanoparticles

Hirofumi Tanaka*, Ryo Arima, Minoru Fukumori, Daisuke Tanaka, Ryota Negishi, Yoshihiro Kobayashi, Seiya Kasai, Toyo Kazu Yamada, Takuji Ogawa

*この研究の対応する著者

研究成果: Article査読

22 被引用数 (Scopus)

抄録

A simple method for fabricating single-layer graphene nanoribbons (sGNRs) from double-walled carbon nanotubes (DWNTs) was developed. A sonication treatment was employed to unzip the DWNTs by inducing defects in them through annealing at 500°C. The unzipped DWNTs yielded double-layered GNRs (dGNRs). Further sonication allowed each dGNR to be unpeeled into two sGNRs. Purification performed using a high-speed centrifuge ensured that more than 99% of the formed GNRs were sGNRs. The changes induced in the electrical properties of the obtained sGNR by the absorption of nanoparticles of planar molecule, naphthalenediimide (NDI), were investigated. The shape of the I-V curve of the sGNRs varied with the number of NDI nanoparticles adsorbed. This was suggestive of the existence of a band gap at the narrow-necked part near the NDI-adsorbing area of the sGNRs.

本文言語English
論文番号12341
ジャーナルScientific Reports
5
DOI
出版ステータスPublished - 2015 7月 24
外部発表はい

ASJC Scopus subject areas

  • 一般

フィンガープリント

「Method for Controlling Electrical Properties of Single-Layer Graphene Nanoribbons via Adsorbed Planar Molecular Nanoparticles」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル