Abstract
This manuscript gives a summary of photoinduced processes in several Nitropolycyclic Aromatic Hydrocarbons (NPAHs) (nitronaphthalene, nitrofluorene, nitroanthracene, and nitropyrene) as well as the results of the TD-DFT calculations of the excited states and the geometries in the ground and first singlet excited electronic states of three isomers of nitrophenanthrene (1NPh, 3NPh, and 9NPh) which are presented for the first time. The decay of the first excited singlet state can lead to different pathways depending on a variety of factors: the energy gap between the S1 state and the nearest state from the triplet manifold, geometries of the electronic states, electronic configuration of the states, etc. The gas phase NPAH molecule can bind to particulate matter in the atmosphere and different solvents present in the aerosol can activate or inhibit photoprocesses. These events depend strongly on the solvent polarity. We reviewed experimental studies that explored these variations of photoinduced processes in conjuction with TD-DFT and ab initio computations.
Keywords: Nitrated polycyclic aromatic hydrocarbons, photochemistry, excited electronic states, time-resolved photoelectron spectroscopy, density functional theory, solvent effects, nitrophenanthrenes.
Graphical Abstract
Current Organic Chemistry
Title:Photochemistry of Nitrated Polycyclic Aromatic Hydrocarbons under Solar Radiation
Volume: 22 Issue: 10
Author(s): Bojana D. Ostojic*Dragana S. Dordevic
Affiliation:
- Center of Excellence in Environmental Chemistry and Engineering, Institute for Chemistry, Technology and Metallurgy, University of Belgrade, Njegoseva 12, Belgrade 11000,Serbia
Keywords: Nitrated polycyclic aromatic hydrocarbons, photochemistry, excited electronic states, time-resolved photoelectron spectroscopy, density functional theory, solvent effects, nitrophenanthrenes.
Abstract: This manuscript gives a summary of photoinduced processes in several Nitropolycyclic Aromatic Hydrocarbons (NPAHs) (nitronaphthalene, nitrofluorene, nitroanthracene, and nitropyrene) as well as the results of the TD-DFT calculations of the excited states and the geometries in the ground and first singlet excited electronic states of three isomers of nitrophenanthrene (1NPh, 3NPh, and 9NPh) which are presented for the first time. The decay of the first excited singlet state can lead to different pathways depending on a variety of factors: the energy gap between the S1 state and the nearest state from the triplet manifold, geometries of the electronic states, electronic configuration of the states, etc. The gas phase NPAH molecule can bind to particulate matter in the atmosphere and different solvents present in the aerosol can activate or inhibit photoprocesses. These events depend strongly on the solvent polarity. We reviewed experimental studies that explored these variations of photoinduced processes in conjuction with TD-DFT and ab initio computations.
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Cite this article as:
Ostojic D. Bojana *, Dordevic S. Dragana , Photochemistry of Nitrated Polycyclic Aromatic Hydrocarbons under Solar Radiation, Current Organic Chemistry 2018; 22 (10) . https://dx.doi.org/10.2174/1385272821666171116161755
DOI https://dx.doi.org/10.2174/1385272821666171116161755 |
Print ISSN 1385-2728 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5348 |
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