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@ARTICLE{Shen:903120,
author = {Shen, Hongru and Zhao, Defeng and Pullinen, Iida and Kang,
Sungah and Vereecken, Luc and Fuchs, Hendrik and Acir,
Ismail-Hakki and Tillmann, Ralf and Rohrer, Franz and Wildt,
Jürgen and Kiendler-Scharr, Astrid and Wahner, Andreas and
Mentel, Thomas F.},
title = {{H}ighly {O}xygenated {O}rganic {N}itrates {F}ormed from
{NO} 3 {R}adical-{I}nitiated {O}xidation of β-{P}inene},
journal = {Environmental science $\&$ technology},
volume = {55},
number = {32},
issn = {0013-936X},
address = {Columbus, Ohio},
publisher = {American Chemical Society},
reportid = {FZJ-2021-04844},
pages = {15658–15671},
year = {2021},
abstract = {The reactions of biogenic volatile organic compounds (BVOC)
with the nitrate radicals (NO3) are major night-time sources
of organic nitrates and secondary organic aerosols (SOA) in
regions influenced by BVOC and anthropogenic emissions. In
this study, the formation of gas-phase highly oxygenated
organic molecules-organic nitrates (HOM-ON) from
NO3-initiated oxidation of a representative monoterpene,
β-pinene, was investigated in the SAPHIR chamber
(Simulation of Atmosphere PHotochemistry In a large Reaction
chamber). Six monomer (C = 7–10, N = 1–2, O = 6–16)
and five accretion product (C = 17–20, N = 2–4, O =
9–22) families were identified and further classified into
first- or second-generation products based on their temporal
behavior. The time lag observed in the peak concentrations
between peroxy radicals containing odd and even number of
oxygen atoms, as well as between radicals and their
corresponding termination products, provided constraints on
the HOM-ON formation mechanism. The HOM-ON formation can be
explained by unimolecular or bimolecular reactions of peroxy
radicals. A dominant portion of carbonylnitrates in HOM-ON
was detected, highlighting the significance of unimolecular
termination reactions by intramolecular H-shift for the
formation of HOM-ON. A mean molar yield of HOM-ON was
estimated to be $4.8\%$ $(−2.6\%/+5.6\%),$ suggesting
significant HOM-ON contributions to the SOA formation.},
cin = {IEK-8},
ddc = {333.7},
cid = {I:(DE-Juel1)IEK-8-20101013},
pnm = {2111 - Air Quality (POF4-211)},
pid = {G:(DE-HGF)POF4-2111},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:34807606},
UT = {WOS:000758717600012},
doi = {10.1021/acs.est.1c03978},
url = {https://juser.fz-juelich.de/record/903120},
}