journal article·2014-10-28

High-Yield Synthesis of Boron Nitride Nanoribbons via Longitudinal Splitting of Boron Nitride Nanotubes by Potassium Vapor

Alexander Sinitskii, Kristopher J. Erickson, Wei Lu, Ashley L. Gibb, Chunyi Zhi, Yoshio Bando, Dmitri Golberg, Alex Zettl, James M. Tour

ACS Nano· Volume 8· Issue 10
Publisher page

Abstract

Boron nitride nanoribbons (BNNRs) are theorized to have interesting electronic and magnetic properties, but their high-yield synthesis remains challenging. Here we demonstrate that potassium-induced splitting of BN nanotubes (BNNTs) is an effective high-yield method to obtain bulk quantities of high-quality BNNRs if a proper precursor material is chosen. The resulting BNNRs are crystalline; many of them have a high aspect ratio and straight parallel edges. We have observed numerous few-layer and monolayer BNNRs; the multilayered ribbons predominantly have an AA' stacking. We present a detailed microscopy study of BNNRs that provides important insights into the mechanism of the formation of BNNRs from BNNTs. We also demonstrate that the BNNTs prepared by different synthetic approaches could exhibit dramatically different reactivities in the potassium splitting reaction, which highlights the need for future comparison studies of BN nanomaterials prepared using different methods to better understand their preparation-dependent physical and chemical properties.
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Research context

OpenAlex topics: Graphene research and applications · 2D Materials and Applications · MXene and MAX Phase Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemistry, University of Nebraska—Lincoln, Lincoln, Nebraska 68588, United States

Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States

Department of Chemistry, Rice University, Houston, Texas 77005, United States

Department of Physics and Materials Science, City University of Hong Kong, Kowloon, Hong Kong

International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan

Department of Materials Science and NanoEngineering and The Smalley Institute for Nanoscale Science and Technology, Rice University, Houston, Texas 77005, United States

Funding

Air Force Research Laboratory · Basic Energy Sciences · Air Force Office of Scientific Research · Office of Naval Research · Division of Engineering Education and Centers · National Institute for Materials Science · National Science Foundation

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