Journal
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume 3, Issue 10, Pages 2489-2495Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.5b00563
Keywords
Biomass; Lignin; Mesoporous carbon; Green process; Thermal oxidation
Categories
Funding
- University of Akron
- Faculty Research Committee
- Biomimicry Research Incentive Center
- Firestone Faculty Research Fellowship from The University of Akron
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Carbon porous structure can be generated by an activation process, either chemically or physically. However, it remains a challenge to understand the pore structure evolution especially in a physically thermal oxidation process. In this work, mesopore evolution is revealed in association with three distinct stages: phase separation, migration, and thermal degradation. Oxidation temperature (270-370 degrees C) and time (1-7 h) are employed to study the microstructure evolution in oxidative environment. Various characterization techniques including scanning electron microscopy, transmission electron microscopy, N-2 adsorption-desorption, Raman and X-ray photoelectron spectroscopy have been used to investigate the structural and compositional change during thermal oxidation. High surface area mesoporous carbon is successfully manufactured from natural wood via this green technique, which could be applied to synthesize other highly porous carbon materials from similar biomass resources.
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