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International Journal of Photoenergy
Volume 2016 (2016), Article ID 9057418, 5 pages
Research Article

The Detailed Evolution of Carbon Spheres by Hydrothermal Method

1State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
2Chongqing Materials Research Institute, Chongqing 400707, China

Received 23 December 2015; Accepted 15 February 2016

Academic Editor: Indrajit Shown

Copyright © 2016 Trevor Mwenya et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Carbon spheres (CSs) can be synthesized easily by hydrothermal method using various solutions and a lot of mechanisms have been employed to explain their formation. In our work, some special phenomena such as the uniform size and surface corruption have been found as the reaction time increased. However, less attention has been focused on the detailed evolution phenomena of CSs. In order to understand these special phenomena well, classical nucleation theory was employed to study the reaction dynamics of CSs during the evolution processes. This work not only deeply reveals the evolution mechanism of CSs, but also opens a possible way for the control of size and morphologies of CSs through hydrothermal methods.