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Vacuum ultraviolet photochemistry of sulfuric acid vapor: a combined experimental and theoretical study

文献类型：期刊论文

作者Zhang, Cuihong3,4,5; Lin, Xiaoxiao5; Tang, Xiaofeng5; Fittschen, Christa3; Hartweg, Sebastian2; Garcia, Gustavo A.2; Long, Bo1; Zhang, Weijun5; Nahon, Laurent2
刊名PHYSICAL CHEMISTRY CHEMICAL PHYSICS
出版日期2022-01-26
卷号24
ISSN号1463-9076
DOI10.1039/d1cp05237c
通讯作者Tang, Xiaofeng(tangxf@aiofm.ac.cn) ; Garcia, Gustavo A.(gustavo.garcia@synchrotron-soleil.fr)
英文摘要We present a vacuum ultraviolet (VUV) photoionization study of the gas-phase sulfuric acid (H2SO4) molecule in the 11-14 eV energy range by using the method of synchrotron radiation-based double imaging photoelectron photoion coincidence (i(2)PEPICO) spectroscopy complemented with accurate theoretical calculations. The slow photoelectron spectrum (SPES) of H2SO4 has been acquired and the three electronic states of H2SO4+, X(2)A, A(2)A and B(2)A have been populated and assigned. The adiabatic ionization energy of the H2SO4 molecule towards the X(2)A cationic ground state is measured at 11.684 +/- 0.006 eV, in accordance with high-level calculated findings. With increasing photon energies, the H2SO4+ cation dissociates into HSO3+ and OH fragments and their adiabatic appearance energy is measured at 13.498 +/- 0.007 eV. Then, the enthalpies of formation for the species involved in the photoionization and dissociative photoionization have been determined through a thermochemical cycle.
WOS关键词EXPERIMENTAL THERMODYNAMICS ; HIGH-RESOLUTION ; H2SO4 ; SPECTROSCOPY ; IONS ; H2O ; DISSOCIATION ; HYDRATION ; WATER ; DIMER
资助项目National Natural Science Foundation of China[91961123] ; National Natural Science Foundation of China[21773249] ; National Natural Science Foundation of China[42120104007] ; International Partnership Program of the Chinese Academy of Sciences[116134KYSB20170048] ; Key Program of Research and Development of Hefei Science Center, CAS[2020HSCKPRD001] ; Chinese Scholarship Council[202006340125] ; Chinese Academy of Sciences President's International Fellowship Initiative[2018VMA0055] ; Science and Technology Foundation of Guizhou Province[[2019]5648] ; Science and Technology Foundation of Guizhou Provincial Department of Education, China[KY[2021]014]
WOS研究方向Chemistry ; Physics
语种英语
WOS记录号WOS:000741522800001
出版者ROYAL SOC CHEMISTRY
资助机构National Natural Science Foundation of China ; International Partnership Program of the Chinese Academy of Sciences ; Key Program of Research and Development of Hefei Science Center, CAS ; Chinese Scholarship Council ; Chinese Academy of Sciences President's International Fellowship Initiative ; Science and Technology Foundation of Guizhou Province ; Science and Technology Foundation of Guizhou Provincial Department of Education, China
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/127091]  
专题中国科学院合肥物质科学研究院
通讯作者Tang, Xiaofeng; Garcia, Gustavo A.
作者单位1.Guizhou Minzu Univ, Sch Mat Sci & Engn, Guiyang 550025, Guizhou, Peoples R China
2.Synchrotron SOLEIL, LOrme Merisiers, St Aubin BP 48, F-91192 Gif Sur Yvette, France
3.Univ Lille, CNRS, UMR 8522, PC2A Physicochim Proc Combust & Atmosphere, F-59000 Lille, France
4.Univ Sci & Technol China, Grad Sch, Hefei 230026, Anhui, Peoples R China
5.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Lab Atmospher Phys Chem, HFIPS, Hefei 230031, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Cuihong,Lin, Xiaoxiao,Tang, Xiaofeng,et al. Vacuum ultraviolet photochemistry of sulfuric acid vapor: a combined experimental and theoretical study[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2022,24.
APA Zhang, Cuihong.,Lin, Xiaoxiao.,Tang, Xiaofeng.,Fittschen, Christa.,Hartweg, Sebastian.,...&Nahon, Laurent.(2022).Vacuum ultraviolet photochemistry of sulfuric acid vapor: a combined experimental and theoretical study.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,24.
MLA Zhang, Cuihong,et al."Vacuum ultraviolet photochemistry of sulfuric acid vapor: a combined experimental and theoretical study".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 24(2022).

入库方式： OAI收割

来源：合肥物质科学研究院

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