Sonication-Assisted Hydrolysis of Ozone Oxidized Detonation Nanodiamond

Author

Atsushi Kume
Vadym Mochalin, Missouri University of Science and TechnologyFollow

Abstract

We demonstrate a simple and technologically viable process of nanodiamond deaggregation by ozone/oxygen gas mixture treatment of detonation nanodiamonds (DNDs) followed by horn sonication in alkaline water to obtain single digit DND colloids without milling. The dried deaggregated DNDs demonstrate outstanding redispersibility in water. Characterization of the deaggregated DND shows that the horn sonication process in water leads to efficient hydrolysis of surface anhydrides created by ozone oxidation to carboxylic acid groups, thus increasing hydrophilicity of the DND surface.

Recommended Citation

A. Kume and V. Mochalin, "Sonication-Assisted Hydrolysis of Ozone Oxidized Detonation Nanodiamond," Diamond and Related Materials, vol. 103, Elsevier, Mar 2020.

The definitive version is available at https://doi.org/10.1016/j.diamond.2020.107705

Department(s)

Chemistry

Second Department

Materials Science and Engineering

Research Center/Lab(s)

Center for High Performance Computing Research

Comments

This work was supported by Daicel Corporation.

International Standard Serial Number (ISSN)

0925-9635

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2020 Elsevier, All rights reserved.

Publication Date

01 Mar 2020