"White graphenes" : Boron nitride nanoribbons via boron nitride nanotube unwrapping

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Author(s)

  • Haibo Zeng
  • Zhuhua Zhang
  • Xianlong Wei
  • Xuebin Wang
  • Wanlin Guo
  • Yoshio Bando
  • Dmitri Golberg

Detail(s)

Original languageEnglish
Pages (from-to)5049-5055
Journal / PublicationNano Letters
Volume10
Issue number12
Publication statusPublished - 8 Dec 2010
Externally publishedYes

Abstract

Inspired by rich physics and functionalities of graphenes, scientists have taken an intensive interest in two-dimensional (2D) crystals of h-BN (analogue of graphite, so-called "white" graphite). Recent calculations have predicted the exciting potentials of BN nanoribbons in spintronics due to tunable magnetic and electrical properties; however no experimental evidence has been provided since fabrication of such ribbons remains a challenge. Here, we show that few- and single-layered BN nanoribbons, mostly terminated with zigzag edges, can be produced under unwrapping multiwalled BN nanotubes through plasma etching. The interesting stepwise unwrapping and intermediate states were observed and analyzed. Opposed to insulating primal tubes, the nanoribbons become semiconducting due to doping-like conducting edge states and vacancy defects, as revealed by structural analyses and ab initio simulations. This study paves the way for BN nanoribbon production and usage as functional semiconductors with a wide range of applications in optoelectronics and spintronics. © 2010 American Chemical Society.

Research Area(s)

  • "White graphene", boron nitride (BN), nanoribbon, nanosheet, two-dimensional crystal

Citation Format(s)

"White graphenes" : Boron nitride nanoribbons via boron nitride nanotube unwrapping. / Zeng, Haibo; Zhi, Chunyi; Zhang, Zhuhua; Wei, Xianlong; Wang, Xuebin; Guo, Wanlin; Bando, Yoshio; Golberg, Dmitri.

In: Nano Letters, Vol. 10, No. 12, 08.12.2010, p. 5049-5055.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review