1993
DOI: 10.1021/j100145a025
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Multiphoton processes in cyclohexane and trans-decalin and the formation of high-mobility cations

Abstract: The dependence of the absolute efficiencies of production of free electrons and HM+ (positive ions with anomalously high mobility) on the intensity of 248-and 308-nm laser pulses has been measured for neat cyclohexane and trans-decalin and for solutions containing aromatic compounds. In the neat solvents, the yields of electrons and HM+ have the same intensity dependence; for ionization of these two alkanes, two photons are required at 248 nm and three photons at 308 nm. In solutions containing aromatic solute… Show more

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Cited by 15 publications
(28 citation statements)
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“…[81][82][83] Transient absorption spectroscopy has provided detailed information on the lifetime of electrons in liquids. [60][61][62][63][64]66,67,84 It has, however, provided less insight into the transport characteristics of these charge carriers, a property that is not manifested directly in the optical spectra. Radiolysis experiments, on the other hand, only provide data on the dc conductivity.…”
Section: Introductionmentioning
confidence: 99%
“…[81][82][83] Transient absorption spectroscopy has provided detailed information on the lifetime of electrons in liquids. [60][61][62][63][64]66,67,84 It has, however, provided less insight into the transport characteristics of these charge carriers, a property that is not manifested directly in the optical spectra. Radiolysis experiments, on the other hand, only provide data on the dc conductivity.…”
Section: Introductionmentioning
confidence: 99%
“…These high-mobility cations are shown to be cycloalkane solvent holes with unusually long natural lifetimes (0.2 µs to 5 µs). This long lifetime and the high mobility of the cycloalkane holes makes it possible to study their reactions using microwave [7][8][9] or direct current (dc) [10][11][12][13][14][15][16][17][18][19] conductivity, an option that does not exist for other hydrocarbons. Indeed, in room-temperature paraffins, the solvent holes have natural lifetimes ranging from 1 ns (C 5 ) to 33 ns (C 16 ) [20,21] due to rapid dissociation of the C-C or C-H bond(s) and deprotonation, RH^+ + RH ---" R^ + RH 2 + (1)…”
Section: S S S So O O Ol L L Lv V V Ve E E En N N Nt T T T H H H Ho O...mentioning
confidence: 99%
“…These high-mobility cations are shown to be cycloalkane solvent holes with unusually long natural lifetimes (0.2 µs to 5 µs). This long lifetime and the high mobility of the cycloalkane holes makes it possible to study their reactions using microwave [7][8][9] or direct current (dc) [10][11][12][13][14][15][16][17][18][19] conductivity, an option that does not exist for other hydrocarbons. Indeed, in room-temperature paraffins, the solvent holes have natural lifetimes ranging from 1 ns (C 5 ) to 33 ns (C 16 ) [20,21] due to rapid dissociation of the C-C or C-H bond(s) and deprotonation, RH^+ + RH ---" R^ + RH 2 +…”
Section: S S S So O O Ol L L Lv V V Ve E E En N N Nt T T T H mentioning
confidence: 99%
“…1/2 of the highest electron-transfer rates (the reaction radius is 0.5-0.7 nm); the overall decay rate is limited by slow proton-transfer reactions (15).…”
mentioning
confidence: 99%
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