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Nanomaterials 2018, 8(10), 861;

From Hollow to Solid Carbon Spheres: Time-Dependent Facile Synthesis

Nanomaterials Physicochemistry Department, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology, Szczecin, Piastow Av. 45, 70311 Szczecin, Poland
Authors to whom correspondence should be addressed.
Received: 3 October 2018 / Revised: 16 October 2018 / Accepted: 18 October 2018 / Published: 20 October 2018
(This article belongs to the Special Issue Green Synthesis of Nanomaterials)
PDF [16194 KB, uploaded 23 October 2018]


Here, we report a facile route for obtaining carbon spheres with fully tunable shell thickness. Using a hard template in chemical vapor deposition (CVD), hollow carbon spheres, solid carbon spheres, and intermediate structures can be obtained with optimized process time. The resulting carbon spheres with particle diameters of ~400 nm, as well as a controllable shell thickness from 0 to 70 nm, had high Brunauer–Emmett–Teller (BET) specific surface area (up to 344.8 m2·g−1) and pore volume (up to 0.248 cm3·g−1). The sphere formation mechanism is also proposed. This simple and reproducible technique can deliver carbon materials for various applications, e.g., energy storage and conversion, adsorption, catalytic, biomedical, and environmental applications. View Full-Text
Keywords: mesoporous materials; carbon spheres; hollow carbon spheres; solid carbon spheres; CVD process; time dependence mesoporous materials; carbon spheres; hollow carbon spheres; solid carbon spheres; CVD process; time dependence

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Kukułka, W.; Wenelska, K.; Baca, M.; Chen, X.; Mijowska, E. From Hollow to Solid Carbon Spheres: Time-Dependent Facile Synthesis. Nanomaterials 2018, 8, 861.

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