Journal
CHEMICAL PHYSICS LETTERS
Volume 760, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.cplett.2020.137983
Keywords
Soot formation; MD simulation; n-decane; Pyrolysis; Mechanism
Funding
- National Natural Science Foundation of China [91841301, 91641121]
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The chemical-kinetic mechanism of soot formation for the n-decane pyrolysis was comprehensively investigated from theoretical perspective. We found the formation of carbonaceous nanoparticle with a multi-layer closed cylindrical structure needs four processes including initial rings formation, PAH growth, particle nucleation via coalescence of PAH and particle growth by coagulation or surface reactions. The mechanisms of HACA, CAHM and CHRCR play crucial roles in the processes of the formation and growth of PAH molecules. In addition, the temperature effect was discussed and found the higher temperature can accelerate the formation of soot particle, which is in agreement with the experiment findings.
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