Role of adsorbate structure in the dynamics of surface photodissociation

D. Howard Fairbrother, Victor P. Holbert, Kimberly A. Briggman, Peter C Stair, Eric Weitz

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Photofragments produced following 257 nm irradiation of physiosorbed methyl iodide on MgO(100) and TiO 2(110) have been studied using resonantly enhanced multiphoton ionization coupled with time-of-flight mass spectrometry. The observed signal is associated with photofragment production from methyl iodide chromophores present in the near surface region. The dependence of the velocity distribution of methyl photofragments on ejection angle and polarization of the photolysis beam indicates that the multilayer film is composed primarily of an anti-parallel arrangement of methyl iodide molecules whose C-I bonds are aligned close to the surface normal. At submonolayer coverage on TiO 2 methyl iodide is predominantly in a parallel orientation with the iodine close to the surface and the methyl group pointing away from the surface.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Pages248-259
Number of pages12
Volume2547
Publication statusPublished - 1995
EventLaser Techniques for Surface Science II - San Diego, CA, USA
Duration: Jul 12 1995Jul 14 1995

Other

OtherLaser Techniques for Surface Science II
CitySan Diego, CA, USA
Period7/12/957/14/95

Fingerprint

Photodissociation
Adsorbates
photodissociation
iodides
Multilayer films
Photolysis
Chromophores
Velocity distribution
Iodine
ejection
chromophores
iodine
Ionization
Mass spectrometry
photolysis
mass spectroscopy
velocity distribution
Irradiation
Polarization
ionization

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Fairbrother, D. H., Holbert, V. P., Briggman, K. A., Stair, P. C., & Weitz, E. (1995). Role of adsorbate structure in the dynamics of surface photodissociation. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 2547, pp. 248-259)

Role of adsorbate structure in the dynamics of surface photodissociation. / Fairbrother, D. Howard; Holbert, Victor P.; Briggman, Kimberly A.; Stair, Peter C; Weitz, Eric.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 2547 1995. p. 248-259.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fairbrother, DH, Holbert, VP, Briggman, KA, Stair, PC & Weitz, E 1995, Role of adsorbate structure in the dynamics of surface photodissociation. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 2547, pp. 248-259, Laser Techniques for Surface Science II, San Diego, CA, USA, 7/12/95.
Fairbrother DH, Holbert VP, Briggman KA, Stair PC, Weitz E. Role of adsorbate structure in the dynamics of surface photodissociation. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 2547. 1995. p. 248-259
Fairbrother, D. Howard ; Holbert, Victor P. ; Briggman, Kimberly A. ; Stair, Peter C ; Weitz, Eric. / Role of adsorbate structure in the dynamics of surface photodissociation. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 2547 1995. pp. 248-259
@inproceedings{16cc74bdf21c4b2c9868ced46f0a47ed,
title = "Role of adsorbate structure in the dynamics of surface photodissociation",
abstract = "Photofragments produced following 257 nm irradiation of physiosorbed methyl iodide on MgO(100) and TiO 2(110) have been studied using resonantly enhanced multiphoton ionization coupled with time-of-flight mass spectrometry. The observed signal is associated with photofragment production from methyl iodide chromophores present in the near surface region. The dependence of the velocity distribution of methyl photofragments on ejection angle and polarization of the photolysis beam indicates that the multilayer film is composed primarily of an anti-parallel arrangement of methyl iodide molecules whose C-I bonds are aligned close to the surface normal. At submonolayer coverage on TiO 2 methyl iodide is predominantly in a parallel orientation with the iodine close to the surface and the methyl group pointing away from the surface.",
author = "Fairbrother, {D. Howard} and Holbert, {Victor P.} and Briggman, {Kimberly A.} and Stair, {Peter C} and Eric Weitz",
year = "1995",
language = "English",
isbn = "0819419060",
volume = "2547",
pages = "248--259",
booktitle = "Proceedings of SPIE - The International Society for Optical Engineering",

}

TY - GEN

T1 - Role of adsorbate structure in the dynamics of surface photodissociation

AU - Fairbrother, D. Howard

AU - Holbert, Victor P.

AU - Briggman, Kimberly A.

AU - Stair, Peter C

AU - Weitz, Eric

PY - 1995

Y1 - 1995

N2 - Photofragments produced following 257 nm irradiation of physiosorbed methyl iodide on MgO(100) and TiO 2(110) have been studied using resonantly enhanced multiphoton ionization coupled with time-of-flight mass spectrometry. The observed signal is associated with photofragment production from methyl iodide chromophores present in the near surface region. The dependence of the velocity distribution of methyl photofragments on ejection angle and polarization of the photolysis beam indicates that the multilayer film is composed primarily of an anti-parallel arrangement of methyl iodide molecules whose C-I bonds are aligned close to the surface normal. At submonolayer coverage on TiO 2 methyl iodide is predominantly in a parallel orientation with the iodine close to the surface and the methyl group pointing away from the surface.

AB - Photofragments produced following 257 nm irradiation of physiosorbed methyl iodide on MgO(100) and TiO 2(110) have been studied using resonantly enhanced multiphoton ionization coupled with time-of-flight mass spectrometry. The observed signal is associated with photofragment production from methyl iodide chromophores present in the near surface region. The dependence of the velocity distribution of methyl photofragments on ejection angle and polarization of the photolysis beam indicates that the multilayer film is composed primarily of an anti-parallel arrangement of methyl iodide molecules whose C-I bonds are aligned close to the surface normal. At submonolayer coverage on TiO 2 methyl iodide is predominantly in a parallel orientation with the iodine close to the surface and the methyl group pointing away from the surface.

UR - http://www.scopus.com/inward/record.url?scp=0029514661&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0029514661&partnerID=8YFLogxK

M3 - Conference contribution

SN - 0819419060

SN - 9780819419064

VL - 2547

SP - 248

EP - 259

BT - Proceedings of SPIE - The International Society for Optical Engineering

ER -