A guide to and review of the use of multiwavelength Raman spectroscopy for characterizing defective aromatic carbon solids: From graphene to amorphous carbons

A Merlen, JG Buijnsters, C Pardanaud - Coatings, 2017 - mdpi.com
sp 2 hybridized carbons constitute a broad class of solid phases composed primarily of
elemental carbon and can be either synthetic or naturally occurring. Some examples are …

Soot formation mechanism of modern automobile engines and methods of reducing soot emissions: A review

E Jiaqiang, W Xu, Y Ma, D Tan, Q Peng, Y Tan… - Fuel Processing …, 2022 - Elsevier
As the main pollutant emitted by automobile engines, soot particles have brought great harm
to the environment and human health. However, the soot formation process in automobile …

Effects of adding cyclohexane, n-hexane, ethanol, and 2, 5-dimethylfuran to fuel on soot formation in laminar coflow n-heptane/iso-octane diffusion flame

H Chu, Y Ya, X Nie, F Qiao, E Jiaqiang - Combustion and Flame, 2021 - Elsevier
The molecular structure strongly affects the fuel sooting propensity. This study aims to
investigate the effects of oxygen-free and oxygen-containing aliphatic and aromatic …

Raman spectroscopy as a versatile tool for investigating thermochemical processing of coal, biomass, and wastes: recent advances and future perspectives

J Xu, Q He, Z Xiong, Y Yu, S Zhang, X Hu, L Jiang… - Energy & …, 2020 - ACS Publications
Raman spectroscopy, as a rapid, high-precision, and nondestructive tool, can be used for
analyzing the samples from gas to solid, from ex situ to in situ, from organic macromolecule …

Surface-enhanced Raman spectroscopy (SERS) for the characterization of atmospheric aerosols: Current status and challenges

D Li, W Yue, P Gao, T Gong, C Wang, X Luo - TrAC Trends in Analytical …, 2024 - Elsevier
The adverse impact of atmospheric aerosols on both the environment and human health has
become a major concern in recent years. The detailed characterization of atmospheric …

On determining soot maturity: A review of the role of microscopy-and spectroscopy-based techniques

A Baldelli, U Trivanovic, TA Sipkens, SN Rogak - Chemosphere, 2020 - Elsevier
Incomplete combustion is the main source of airborne soot, which has negative impacts on
public health and the environment. Understanding the morphological and chemical …

Interaction mechanism of in-situ catalytic coal H2O-gasification over biochar catalysts for H2O-H2-tar reforming and active sites conversion

Y Zhang, Q Shang, D Feng, H Sun, F Wang… - Fuel Processing …, 2022 - Elsevier
The co-gasification of biomass and coal is a promising way to make H 2-rich synthesis gas,
to better serve the carbon-neutrality development in China. Decoupling core processes of …

Effect of premixing ratio, injection timing and compression ratio on nano particle emissions from dual fuel non-road compression ignition engine fueled with gasoline …

MR Saxena, RK Maurya - Fuel, 2017 - Elsevier
In present study, the effect of fuel premixing ratio, direct fuel injection timings and engine
compression ratio on the soot particle emissions in nano-size range from a non-road …

Soot optical properties determined by analyzing extinction spectra in the visible near-UV: Toward an optical speciation according to constituents and structure

A Bescond, J Yon, FX Ouf, C Rozé, A Coppalle… - Journal of Aerosol …, 2016 - Elsevier
To improve the optical diagnostics of soot particles and gain an increased comprehension of
the soot formation and aging mechanisms requires a better understanding of the soot …

Influence of Polycyclic Aromatic Compounds and Oxidation States of Soot Organics on the Metabolome of Human-Lung Cells (A549): Implications for Vehicle Fuel …

L Wang, W Wen, J Yan, R Zhang, C Li… - Environmental …, 2023 - ACS Publications
Decades of research have established the toxicity of soot particles resulting from incomplete
combustion. However, the unique chemical compounds responsible for adverse health …