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Far-UV laser flash photolysis in solution. A study of the chemistry of 1,1-dimethylsilene in hydrocarbon solvents by Corinna Kerst; Rabah Boukherroub; William J. Leigh is a Materials Science article available to read on EtoBox.

What is Far-UV laser flash photolysis in solution. A study of the chemistry of 1,1-dimethylsilene in hydrocarbon solvents about?

The far-UV ( 193 nm) laser flash photolysis of nitrogen-saturated isooctane solutions of 1,t-dinxthylsilctanc allows the direct dc\*~cti@nof l, l-dimethylsilene as a transient species, which (at low laser intensities) decays with pseudo-first-order kinetics ( -r~ l0 Vs) and exMbi~s a UV absorption spectrum with A~~7..55 rim. Characteristic rapid quenching is observed for the si|ene with meLtmn~ (k~4ooH = (4,9 + 0.2) X 109M -' s-t), tea-butanol (kn,ou = (1,8\_+ 0.1) × 109M -z s-') andoxygen (koz= 12.0 +0.5} x 10gM -i s-;).The Arrhenius activation parameters for the reaction with methanol have been determined to be E~ = -2.6 + 0.6 kcal reel -~ and log g ~ 7.7 + 0.3.

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Author

Corinna Kerst; Rabah Boukherroub; William J. Leigh

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 1010-6030)

Published

1997

Language

EN

Field

Materials Science (Physical Sciences)