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Langmuir. 2017 Dec 19;33(50):14340-14346. doi: 10.1021/acs.langmuir.7b03461. Epub 2017 Dec 05.

Dissolution and Characterization of Boron Nitride Nanotubes in Superacid.

Langmuir : the ACS journal of surfaces and colloids

Olga Kleinerman, Mohammed Adnan, Daniel M Marincel, Anson W K Ma, E Amram Bengio, Cheol Park, Sang-Hyon Chu, Matteo Pasquali, Yeshayahu Talmon

Affiliations

  1. Department of Chemical Engineering, Technion-Israel Institute of Technology and the Russell Berrie Nanotechnology Institute (RBNI) , Haifa 3200003, Israel.
  2. Department of Chemical and Biomolecular Engineering and Department of Chemistry, The Smalley-Curl Institute, Rice University , Houston, Texas 77005, United States.
  3. Advanced Materials and Processing Branch, NASA Langley Research Center , Hampton, Virginia 23681, United States.
  4. National Institute of Aerospace , 100 Exploration Way, Hampton, Virginia 23666, United States.

PMID: 29166030 DOI: 10.1021/acs.langmuir.7b03461

Abstract

Boron nitride nanotubes (BNNTs) are of interest for their unique combination of high tensile strength, high electrical resistivity, high neutron cross section, and low reactivity. The fastest route to employing these properties in composites and macroscopic articles is through solution processing. However, dispersing BNNTs without functionalization or use of a surfactant is challenging. We show here by cryogenic transmission electron microscopy that BNNTs spontaneously dissolve in chlorosulfonic acid as disentangled individual molecules. Electron energy loss spectroscopy of BNNTs dried from the solution confirms preservation of the sp

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