NDLI: Structure and Oxidation Activity Correlations for Carbon Blacks and Diesel Soot

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Structure and Oxidation Activity Correlations for Carbon Blacks and Diesel Soot

Content Provider	Semantic Scholar
Author	Pahalagedara, Lakshitha R. Sharma, Harsh Kuo, Chaincy Dharmarathna, Saminda Joshi, Ameya M. Suib, Steven L. Mhadeshwar, A. B.
Copyright Year	2012
Abstract	This work focuses on a comprehensive investigation of structure−activity relationships for a diesel engine soot sample (Corning) and 10 commercially available carbon black samples. Particle sizes were determined using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Specific surface area was determined by nitrogen sorption studies, while the microstructure was investigated by X-ray diffraction (XRD) peak profile analysis, Raman spectroscopy, and TEM. Oxidation activity of these samples was studied using thermogravimetric analysis (TGA) under an oxidative (10% O2) environment consistent with the typical oxygen levels in the diesel engine exhaust. Various structural parameters, such as the average particle size, specific surface area, degree of organization, and average crystallite stacking height, were correlated with the TGA oxidation activity data. In general, samples with low particle size, high surface area, highly amorphous nature (low degree of organization), and low crystallite stacking height showed high oxidation activity. A second diesel engine soot sample (Corning), which was collected at different operating conditions, was used to validate the obtained structure−activity correlations. Overall, our rigorous analysis for a large number of samples with multiple techniques indicated unique and novel correlations/trends between soot structure and reactivity.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://rampi.ims.uconn.edu/wp-content/uploads/sites/486/2016/12/86.pdf
Language	English
Access Restriction	Open
Subject Keyword	Carbon Black Carbon-Carbon Lyases Computed Tomography Scanning Systems Corn of toe Diesel Fuel Engine Exhaust Guilty Gear Xrd Intracisternal A-Particle Elements Oxygen Particle Size Raman scattering Reactive programming Scanning Electron Microscopy Soot Spectrum Analysis, Raman Stacking TBX1 wt Allele Transmission Electron Microscopy Truevision TGA oxidation
Content Type	Text
Resource Type	Article

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