Multiphoton dissociation dynamics of dimethyl selenide

BelBruno, Joseph J.; Spacek, J.; Christophy, Elizabeth

doi:10.1021/j100171a036

Cited by 22 publications

(19 citation statements)

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“…The CO 2 laser-induced decomposition of DMS [20] yielding ethane, methane and ethene (the main products) along with elemental selenium (main product) and polyselenoformaldehyde (minor product) was explained [20] as extrusion of selenium (and transient selenoformaldehyde) through radical paths. The observed methylethyl selenide not only confirms the occurrence of the previously reported radical steps [20], but also proves a transient CH 3 Se radical [21] and its reaction with C 2 H 4 (produced upon decomposition of the reported selenoformaldehyde [20]). …”

Section: Features Of the Dscb-dms Co-decompositionsupporting

confidence: 84%

IR laser-induced process for chemical vapor deposition of polyselenocarbosilane films

Santos¹,

Díaz²,

Urbanová³

et al. 2006

Journal of Analytical and Applied Pyrolysis

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Section: Features Of the Dscb-dms Co-decompositionsupporting

confidence: 84%

IR laser-induced process for chemical vapor deposition of polyselenocarbosilane films

Santos¹,

Díaz²,

Urbanová³

et al. 2006

Journal of Analytical and Applied Pyrolysis

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“…As shown in previous studies [34,35], the photon numbers obtained from the power dependence experiments must be treated with caution because experimental conditions may play a major role in determining the apparent orders of the processes being studied. In the present study, the laser beam was only slightly focused with a lens (50 cm f.l.…”

Section: Power Dependence Studymentioning

confidence: 99%

A multiphoton ionization study of acetone using time-of-flight mass spectrometry

et al. 2010

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The 3p Rydberg states of acetone and photodissociation of the acetone cation were studied using time-of-flight (TOF) mass spectrometry. The 3p Rydberg state spectroscopy of acetone was investigated with linearly polarized two-photon resonance enhanced multiphoton ionization (REMPI) from 320 to 337 nm. Several new transition bands were observed in the spectra. In addition to the CH 3 COCH 3 + ion, CH 3 CO + and CH 3 + fragments were observed. The laser power dependences suggest that the CH 3 COCH 3 + , CH 3 CO + and CH 3 + ions are produced in three-, four-, and four-photon processes, respectively. Production of CH 3 CO + and CH 3 + involves excitation of the ground state acetone cation by an additional photon and subsequent decomposition of the excited acetone ion. The average translational energies of CH 3 CO + and CH 3 + from dissociation in CH 3 COCH 3 + (X) + hv → CH 3 CO + + CH 3 and CH 3 COCH 3 + (X) + hv → CH 3 + + CH 3 CO, respectively, were derived from the ion TOF peak profiles. acetone, REMPI, photodissociationCitation: Zheng X F, Wu H X, Song Y, et al. A multiphoton ionization study of acetone using time-of-flight mass spectrometry.

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“…One particular target of these studies has been small heterocyclic ions (BelBruno 1991, BelBruno 1993a. Comparison was made, using non-resonant MPIMS, between the cyclic ions and the analogous acyclic ions so that information could be inferred on the stability of the ring-closed and ring-opened forms of the heterocyclic ions.…”

Section: Downloaded By [Michigan State University] At 17:34 06 Februamentioning

confidence: 99%

“…Bimolecular dynamics MPI spectroscopy has been often used as a probe to follow the course of bimolecular chemistry and to examine physical phenomena such as flames (for example Baulch et al 1991 andBernstein et al 1993). While many detection applications are routine, some of the ionization schemes prove to be challenging and interesting.…”

Section: Linear Time-of-flight Experimentsmentioning

confidence: 99%

Multiphoton ionization and chemical dynamics

BelBruno

1995

International Reviews in Physical Chemistry

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Multiphoton ionization spectroscopy is a tool for the elucidation of the structure of high-energy states of atoms and molecules. Particularly when used in combination with time-of-flight mass spectrometry and photoelectron spectroscopy, the range of applications include pure spectroscopic studies, the quantum state specific detection of reactants and products and the preparation of quantumstate-selected reactants for chemical reactivity studies. As such, the techniques have become ubiquitous in the field of chemical reaction dynamics. This paper is concerned mainly with the describing the range of these applications and techniques and a selection of typical results.

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Multiphoton dissociation dynamics of dimethyl selenide

Cited by 22 publications

References 0 publications

IR laser-induced process for chemical vapor deposition of polyselenocarbosilane films

IR laser-induced process for chemical vapor deposition of polyselenocarbosilane films

A multiphoton ionization study of acetone using time-of-flight mass spectrometry

Multiphoton ionization and chemical dynamics

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