The necessity for multiphoton processes in the 193-nm photochemistry of sulphuric acid aerosols

The necessity for multiphoton processes in the 193-nm photochemistry of sulphuric acid aerosols. Wrenn, S, Butler, L, Rowland, G, Knox, C, & Phillips, L Journal of Photochemistry and Photobiology a-Chemistry, 129(3):101--104, December, 1999. 262MZ Times Cited:11 Cited References Count:21

Paper abstract bibtex

The observation, that absorption of light by concentrated sulphuric acid at wavelengths near 193 nm apparently tends to zero as the acid is progressively purified, is supported by ab initio calculations of the energies of the three lowest excited states of monomeric H2SO4. The electronic-structure calculations indicate that the lowest excited state is not accessible by single-photon absorption for light of wavelengths >150 nm. This limit includes a generous allowance for error; the calculated energy of the transition corresponds to a wavelength <120 nm. Previous observations of photoluminescence and photo-oxidation of CO in sulphuric acid aerosols are attributed to multiphoton processes, caused by internal focusing of the incident light by the aerosol droplets. This finding does not rule out the occurrence of significant photochemistry of sulphuric acid aerosols in the stratospheres of the Earth and Venus, because of the likely presence of transition-metal ions as impurities in the atmospheric aerosols. (C) 1999 Elsevier Science S.A. All rights reserved.

@article{ Wrenn:1999p1602,
  abstract = {The observation, that absorption of light by concentrated sulphuric acid at wavelengths near 193 nm apparently tends to zero as the acid is progressively purified, is supported by ab initio calculations of the energies of the three lowest excited states of monomeric H2SO4. The electronic-structure calculations indicate that the lowest excited state is not accessible by single-photon absorption for light of wavelengths >150 nm. This limit includes a generous allowance for error; the calculated energy of the transition corresponds to a wavelength <120 nm. Previous observations of photoluminescence and photo-oxidation of CO in sulphuric acid aerosols are attributed to multiphoton processes, caused by internal focusing of the incident light by the aerosol droplets. This finding does not rule out the occurrence of significant photochemistry of sulphuric acid aerosols in the stratospheres of the Earth and Venus, because of the likely presence of transition-metal ions as impurities in the atmospheric aerosols. (C) 1999 Elsevier Science S.A. All rights reserved.},
  added-at = {2010-06-22T19:38:37.000+0200},
  affiliation = {Phillips, LF
Univ Chicago, James Franck Inst, 5640 S Ellis Ave, Chicago, IL 60637 USA
Univ Chicago, James Franck Inst, Chicago, IL 60637 USA
Univ Chicago, Dept Chem, Chicago, IL 60637 USA
Univ Canterbury, Dept Chem, Christchurch 1, New Zealand},
  author = {Wrenn, S and Butler, L and Rowland, G and Knox, C and Phillips, L},
  biburl = {http://www.bibsonomy.org/bibtex/2cc112f7600527b5b9f752f888a97a5bc/gsmith},
  date-added = {2010-03-10 16:48:16 -0500},
  date-modified = {2010-03-10 16:48:23 -0500},
  interhash = {efb53654f1ffd97ae29dc0c7ecb328b6},
  intrahash = {cc112f7600527b5b9f752f888a97a5bc},
  journal = {Journal of Photochemistry and Photobiology a-Chemistry},
  keywords = {imported},
  label = {rec-number 1419},
  local-url = {file://localhost/Users/geoffreysmith/Documents/Papers/Journal%20of%20Photochemistry%20and%20Photobiology%20a-Chemi‥./1999/Journal%20of%20Photochemistry%20and%20Photobiology%20a-Chemistry,%20129,%20101-104%201999.pdf},
  month = {December},
  note = {262MZ
Times Cited:11
Cited References Count:21},
  number = {3},
  pages = {101--104},
  pmid = {000084072200001},
  rating = {0},
  title = {The necessity for multiphoton processes in the 193-nm photochemistry of sulphuric acid aerosols},
  uri = {papers://E88B624E-D406-46FF-9D95-BB9C1AAE3FDC/Paper/p1602},
  url = {http://links.isiglobalnet2.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=mekentosj&SrcApp=Papers&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000084072200001},
  volume = {129},
  year = {1999}
}

Downloads: 0

{"_id":"D6RKufbf6MWyB7dkW","bibbaseid":"wrenn-butler-rowland-knox-phillips-thenecessityformultiphotonprocessesinthe193nmphotochemistryofsulphuricacidaerosols-1999","downloads":0,"creationDate":"2015-06-18T16:30:17.187Z","title":"The necessity for multiphoton processes in the 193-nm photochemistry of sulphuric acid aerosols","author_short":["Wrenn, S","Butler, L","Rowland, G","Knox, C","Phillips, L"],"year":1999,"bibtype":"article","biburl":"http://www.bibsonomy.org/bib/author/G C Rowland?items=1000","bibdata":{"abstract":"The observation, that absorption of light by concentrated sulphuric acid at wavelengths near 193 nm apparently tends to zero as the acid is progressively purified, is supported by ab initio calculations of the energies of the three lowest excited states of monomeric H2SO4. The electronic-structure calculations indicate that the lowest excited state is not accessible by single-photon absorption for light of wavelengths >150 nm. This limit includes a generous allowance for error; the calculated energy of the transition corresponds to a wavelength <120 nm. Previous observations of photoluminescence and photo-oxidation of CO in sulphuric acid aerosols are attributed to multiphoton processes, caused by internal focusing of the incident light by the aerosol droplets. This finding does not rule out the occurrence of significant photochemistry of sulphuric acid aerosols in the stratospheres of the Earth and Venus, because of the likely presence of transition-metal ions as impurities in the atmospheric aerosols. (C) 1999 Elsevier Science S.A. All rights reserved.","added-at":"2010-06-22T19:38:37.000+0200","affiliation":"Phillips, LF Univ Chicago, James Franck Inst, 5640 S Ellis Ave, Chicago, IL 60637 USA Univ Chicago, James Franck Inst, Chicago, IL 60637 USA Univ Chicago, Dept Chem, Chicago, IL 60637 USA Univ Canterbury, Dept Chem, Christchurch 1, New Zealand","author":["Wrenn, S","Butler, L","Rowland, G","Knox, C","Phillips, L"],"author_short":["Wrenn, S","Butler, L","Rowland, G","Knox, C","Phillips, L"],"bibtex":"@article{ Wrenn:1999p1602,\n abstract = {The observation, that absorption of light by concentrated sulphuric acid at wavelengths near 193 nm apparently tends to zero as the acid is progressively purified, is supported by ab initio calculations of the energies of the three lowest excited states of monomeric H2SO4. The electronic-structure calculations indicate that the lowest excited state is not accessible by single-photon absorption for light of wavelengths >150 nm. This limit includes a generous allowance for error; the calculated energy of the transition corresponds to a wavelength <120 nm. Previous observations of photoluminescence and photo-oxidation of CO in sulphuric acid aerosols are attributed to multiphoton processes, caused by internal focusing of the incident light by the aerosol droplets. This finding does not rule out the occurrence of significant photochemistry of sulphuric acid aerosols in the stratospheres of the Earth and Venus, because of the likely presence of transition-metal ions as impurities in the atmospheric aerosols. (C) 1999 Elsevier Science S.A. All rights reserved.},\n added-at = {2010-06-22T19:38:37.000+0200},\n affiliation = {Phillips, LF\nUniv Chicago, James Franck Inst, 5640 S Ellis Ave, Chicago, IL 60637 USA\nUniv Chicago, James Franck Inst, Chicago, IL 60637 USA\nUniv Chicago, Dept Chem, Chicago, IL 60637 USA\nUniv Canterbury, Dept Chem, Christchurch 1, New Zealand},\n author = {Wrenn, S and Butler, L and Rowland, G and Knox, C and Phillips, L},\n biburl = {http://www.bibsonomy.org/bibtex/2cc112f7600527b5b9f752f888a97a5bc/gsmith},\n date-added = {2010-03-10 16:48:16 -0500},\n date-modified = {2010-03-10 16:48:23 -0500},\n interhash = {efb53654f1ffd97ae29dc0c7ecb328b6},\n intrahash = {cc112f7600527b5b9f752f888a97a5bc},\n journal = {Journal of Photochemistry and Photobiology a-Chemistry},\n keywords = {imported},\n label = {rec-number 1419},\n local-url = {file://localhost/Users/geoffreysmith/Documents/Papers/Journal%20of%20Photochemistry%20and%20Photobiology%20a-Chemi‥./1999/Journal%20of%20Photochemistry%20and%20Photobiology%20a-Chemistry,%20129,%20101-104%201999.pdf},\n month = {December},\n note = {262MZ\nTimes Cited:11\nCited References Count:21},\n number = {3},\n pages = {101--104},\n pmid = {000084072200001},\n rating = {0},\n title = {The necessity for multiphoton processes in the 193-nm photochemistry of sulphuric acid aerosols},\n uri = {papers://E88B624E-D406-46FF-9D95-BB9C1AAE3FDC/Paper/p1602},\n url = {http://links.isiglobalnet2.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=mekentosj&SrcApp=Papers&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000084072200001},\n volume = {129},\n year = {1999}\n}","bibtype":"article","biburl":"http://www.bibsonomy.org/bibtex/2cc112f7600527b5b9f752f888a97a5bc/gsmith","date-added":"2010-03-10 16:48:16 -0500","date-modified":"2010-03-10 16:48:23 -0500","id":"Wrenn:1999p1602","interhash":"efb53654f1ffd97ae29dc0c7ecb328b6","intrahash":"cc112f7600527b5b9f752f888a97a5bc","journal":"Journal of Photochemistry and Photobiology a-Chemistry","key":"Wrenn:1999p1602","keywords":"imported","label":"rec-number 1419","local-url":"file://localhost/Users/geoffreysmith/Documents/Papers/Journal%20of%20Photochemistry%20and%20Photobiology%20a-Chemi‥./1999/Journal%20of%20Photochemistry%20and%20Photobiology%20a-Chemistry,%20129,%20101-104%201999.pdf","month":"December","note":"262MZ Times Cited:11 Cited References Count:21","number":"3","pages":"101--104","pmid":"000084072200001","rating":"0","title":"The necessity for multiphoton processes in the 193-nm photochemistry of sulphuric acid aerosols","type":"article","uri":"papers://E88B624E-D406-46FF-9D95-BB9C1AAE3FDC/Paper/p1602","url":"http://links.isiglobalnet2.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=mekentosj&SrcApp=Papers&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000084072200001","volume":"129","year":"1999","bibbaseid":"wrenn-butler-rowland-knox-phillips-thenecessityformultiphotonprocessesinthe193nmphotochemistryofsulphuricacidaerosols-1999","role":"author","urls":{"Paper":"http://links.isiglobalnet2.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=mekentosj&SrcApp=Papers&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000084072200001"},"keyword":["imported"],"downloads":0},"search_terms":["necessity","multiphoton","processes","193","photochemistry","sulphuric","acid","aerosols","wrenn","butler","rowland","knox","phillips"],"keywords":["imported"],"authorIDs":[],"dataSources":["wzTnAbnGH4gah645G"]}