Synthesis of Discrete and Dispersible Hollow Carbon Nanospheres with High Uniformity by Using Confined Nanospace Pyrolysis

Many spheres of influence: Surface coating of monodisperse polystyrene (PS) nanosphere seeds with a phenol‐containing polymer (PF) and then silica forms a dual core–shell structure PS@PF@SiO2 (see picture). Subsequent pyrolysis results in discrete, dispersible, and uniform hollow carbon nanospheres...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2011-12, Vol.50 (49), p.11765-11768
Main Authors: Lu, An-Hui, Sun, Tao, Li, Wen-Cui, Sun, Qiang, Han, Fei, Liu, Dong-Hai, Guo, Yue
Format: Article
Language:English
Subjects:
carbon
cross-linking
nanostructures
Pyrolysis
silica
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Summary:Many spheres of influence: Surface coating of monodisperse polystyrene (PS) nanosphere seeds with a phenol‐containing polymer (PF) and then silica forms a dual core–shell structure PS@PF@SiO2 (see picture). Subsequent pyrolysis results in discrete, dispersible, and uniform hollow carbon nanospheres (HCSs). The outer silica shell serves as a nanoreactor and thus prevents the polymer and carbon layers from conglutination and sintering.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201105486