Vacuum ultraviolet free-electron laser photoionization mass spectrometry of alpha-pinene ozonolysis

Zang，Xiangyu1,2,3; Zhang，Zhaoyan2,3; Wang，Chong2,3; Wang，Tiantong2,3; Zheng，Huijun2,3; Xie，Hua2; Yang，Jiayue2; Dai，Dongxu2; Wu，Guorong2; Zhang，Weiqing2; Li，Gang2; Yang，Xueming1,2,3,4; Jiang，Ling2

2022-04-01

10.1063/1674-0068/cjcp2111220

化学物理学报   影响因子和分区

1674-0068

2327-2244

α-pinene is the most abundant monoterpene that represents an important family of volatile organic compounds. Molecular identification of key transient compounds during the α-pinene ozonolysis has been proven to be a challenging experimental target because of a large number of intermediates and products involved. Here we exploit the recently developed hybrid instruments that integrate aerosol mass spectrometry with a vacuum ultraviolet free-electron laser to study the α-pinene ozonolysis. The experiments of α-pinene ozonolysis are performed in an indoor smog chamber, with reactor having a volume of 2 3 which is made of fluorinated ethylene propylene film. Distinct mass spectral peaks provide direct experimental signatures of previously unseen compounds produced from the reaction of α-pinene with O3. With the aid of quantum chemical calculations, plausible mechanisms for the formation of these new compounds are proposed. These findings provide crucial information on fundamental understanding of the initial steps of α-pinene oxidation and the subsequent processes of new particle formation.

Mass spectrometry Ozonolysis Photoionization Vacuum ultraviolet free-electron laser Volatile organic compound

SCI ; EI

英语

其他

National Natural Science Foundation of China[22125303,92061203,21688102] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB17000000] ; Dalian Institute of Chemical Physics[DICP DCLS201701] ; Chinese Academy of Sciences[GJJSTD20190002] ; K. C. Wong Education Foundation[GJTD-2018-06]

Physics

Physics, Atomic, Molecular & Chemical

WOS:000793461200006

CHINESE PHYSICAL SOC

20222012110264

Electrons ; Ethylene ; Free electron lasers ; Gas chromatography ; Mass spectrometry ; Monoterpenes ; Ozone ; Photoionization ; Quantum chemistry ; Ultraviolet lasers

Lasers, General:744.1 ; Free Electron Lasers:744.5 ; Chemistry:801 ; Physical Chemistry:801.4 ; Chemical Reactions:802.2 ; Chemical Operations:802.3 ; Chemical Products Generally:804 ; Organic Compounds:804.1

2-s2.0-85129879554

Scopus

1.Zhang Dayu School of Chemistry,Dalian University of Technology,Dalian,116024,China
2.State Key Laboratory of Molecular Reaction Dynamics,Dalian Institute of Chemical Physics,Chinese Academy of Sciences,Dalian,116023,China
3.University of Chinese Academy of Sciences,Beijing,100049,China
4.Department of Chemistry,School of Science,Southern University of Science and Technology,Shenzhen,518055,China

Zang，Xiangyu,Zhang，Zhaoyan,Wang，Chong,et al. Vacuum ultraviolet free-electron laser photoionization mass spectrometry of alpha-pinene ozonolysis[J]. 化学物理学报,2022,35(2):281-288.

Zang，Xiangyu.,Zhang，Zhaoyan.,Wang，Chong.,Wang，Tiantong.,Zheng，Huijun.,...&Jiang，Ling.(2022).Vacuum ultraviolet free-electron laser photoionization mass spectrometry of alpha-pinene ozonolysis.化学物理学报,35(2),281-288.

Zang，Xiangyu,et al."Vacuum ultraviolet free-electron laser photoionization mass spectrometry of alpha-pinene ozonolysis".化学物理学报 35.2(2022):281-288.