1973
DOI: 10.1039/dc9735600052
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Investigation of intermediates by electron photoemission from metal into electrolyte solution

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1978
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Cited by 14 publications
(4 citation statements)
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“…This is consistent with the observation that electrooxidation of NO 2 Ϫ on a gold electrode starts at ca 0.7 V vs. SCE. 21 When considering possible reaction pathways for the nitrate reduction in neutral and alkaline solutions, it is useful to recall that under conditions of photoemission experiments NO 3 Ϫ anions react with hydrated electrons, at a diffusion-controlled rate, to form (NO • 3 ) 2Ϫ species [22][23][24][25] NO 3 Ϫ ϩ e aq Ϫ r (NO • 3 ) 2Ϫ [3] which in turn decompose to NO • 2 radicals either through reaction 4 22,24,25…”
Section: Resultsmentioning
confidence: 99%
“…This is consistent with the observation that electrooxidation of NO 2 Ϫ on a gold electrode starts at ca 0.7 V vs. SCE. 21 When considering possible reaction pathways for the nitrate reduction in neutral and alkaline solutions, it is useful to recall that under conditions of photoemission experiments NO 3 Ϫ anions react with hydrated electrons, at a diffusion-controlled rate, to form (NO • 3 ) 2Ϫ species [22][23][24][25] NO 3 Ϫ ϩ e aq Ϫ r (NO • 3 ) 2Ϫ [3] which in turn decompose to NO • 2 radicals either through reaction 4 22,24,25…”
Section: Resultsmentioning
confidence: 99%
“…Figure ), appears unlikely. An alternative reaction pathway may be initiated by the formation in the solution of hydrogen atoms, followed by their adsorption at the electrode surface: In fact, while reaction 4 is known to occur rapidly, the recombination of hydrogen atoms in solution is a slow process as long as their concentration remains low. It has been concluded on the basis of kinetic studies 21 that the main route of atomic hydrogen removal must involve the adsorption step (reaction 5).…”
Section: Resultsmentioning
confidence: 99%
“…The lifetime of diphenylmethylene in the absence of fluorescein is found to be 147 ns. 16 The error estimated from the computer program is never greater than 3% for all lifetime measurements involving emissions from diphenylmethylene. From Figure 2 it can be observed that the lifetime of diphenylmethylene is shorter in the presence of fluorescein.…”
Section: Resultsmentioning
confidence: 94%