Temperature-induced oligomerization of polycyclic aromatic hydrocarbons at ambient and high pressures

Abstract Temperature-induced oligomerization of polycyclic aromatic hydrocarbons (PAHs) was found at 500–773 K and ambient and high (3.5 GPa) pressures. The most intensive oligomerization at 1 bar and 3.5 GPa occurs at 740–823 K. PAH carbonization at high pressure is the final stage of oligomerizati...

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Main Authors: Artem D. Chanyshev, Konstantin D. Litasov, Yoshihiro Furukawa, Konstantin A. Kokh, Anton F. Shatskiy
Format: Article
Language:English
Published: Nature Portfolio 2017-08-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-017-08529-2
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author Artem D. Chanyshev
Konstantin D. Litasov
Yoshihiro Furukawa
Konstantin A. Kokh
Anton F. Shatskiy
author_facet Artem D. Chanyshev
Konstantin D. Litasov
Yoshihiro Furukawa
Konstantin A. Kokh
Anton F. Shatskiy
author_sort Artem D. Chanyshev
collection DOAJ
description Abstract Temperature-induced oligomerization of polycyclic aromatic hydrocarbons (PAHs) was found at 500–773 K and ambient and high (3.5 GPa) pressures. The most intensive oligomerization at 1 bar and 3.5 GPa occurs at 740–823 K. PAH carbonization at high pressure is the final stage of oligomerization and occurs as a result of sequential oligomerization and polymerization of the starting material, caused by overlapping of π-orbitals, a decrease of intermolecular distances, and finally the dehydrogenation and polycondensation of benzene rings. Being important for building blocks of life, PAHs and their oligomers can be formed in the interior of the terrestrial planets with radii less than 2270 km.
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spelling doaj.art-829d0c6f2f0e4066950ebd1948d078ec2022-12-21T20:34:53ZengNature PortfolioScientific Reports2045-23222017-08-01711810.1038/s41598-017-08529-2Temperature-induced oligomerization of polycyclic aromatic hydrocarbons at ambient and high pressuresArtem D. Chanyshev0Konstantin D. Litasov1Yoshihiro Furukawa2Konstantin A. Kokh3Anton F. Shatskiy4V.S. Sobolev Institute of Geology and Mineralogy SB RASV.S. Sobolev Institute of Geology and Mineralogy SB RASDepartment of Earth and Planetary Materials Science, Graduate School of Science, Tohoku UniversityV.S. Sobolev Institute of Geology and Mineralogy SB RASV.S. Sobolev Institute of Geology and Mineralogy SB RASAbstract Temperature-induced oligomerization of polycyclic aromatic hydrocarbons (PAHs) was found at 500–773 K and ambient and high (3.5 GPa) pressures. The most intensive oligomerization at 1 bar and 3.5 GPa occurs at 740–823 K. PAH carbonization at high pressure is the final stage of oligomerization and occurs as a result of sequential oligomerization and polymerization of the starting material, caused by overlapping of π-orbitals, a decrease of intermolecular distances, and finally the dehydrogenation and polycondensation of benzene rings. Being important for building blocks of life, PAHs and their oligomers can be formed in the interior of the terrestrial planets with radii less than 2270 km.https://doi.org/10.1038/s41598-017-08529-2
spellingShingle Artem D. Chanyshev
Konstantin D. Litasov
Yoshihiro Furukawa
Konstantin A. Kokh
Anton F. Shatskiy
Temperature-induced oligomerization of polycyclic aromatic hydrocarbons at ambient and high pressures
Scientific Reports
title Temperature-induced oligomerization of polycyclic aromatic hydrocarbons at ambient and high pressures
title_full Temperature-induced oligomerization of polycyclic aromatic hydrocarbons at ambient and high pressures
title_fullStr Temperature-induced oligomerization of polycyclic aromatic hydrocarbons at ambient and high pressures
title_full_unstemmed Temperature-induced oligomerization of polycyclic aromatic hydrocarbons at ambient and high pressures
title_short Temperature-induced oligomerization of polycyclic aromatic hydrocarbons at ambient and high pressures
title_sort temperature induced oligomerization of polycyclic aromatic hydrocarbons at ambient and high pressures
url https://doi.org/10.1038/s41598-017-08529-2
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