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Cited by 42 publications
(9 citation statements)
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“…. This technique has been used extensively to characterize redox/acid-base properties of many oxides [100][101][102][103][104], oxidative sites being identified as Lewis acid sites and reducing sites as Lewis bases such as O 2-or OH -.…”
Section: Electron Spin Resonance Techniquementioning
confidence: 99%
See 1 more Smart Citation
“…. This technique has been used extensively to characterize redox/acid-base properties of many oxides [100][101][102][103][104], oxidative sites being identified as Lewis acid sites and reducing sites as Lewis bases such as O 2-or OH -.…”
Section: Electron Spin Resonance Techniquementioning
confidence: 99%
“…NO 2À 2 ðsurfÞ and of specific ESR spectra. For CaO [99], which is Another application of ESR technique concerns the charge transfer method, which consists of adsorbing organic compounds of high electronic affinity (EA) or low ionization potential (IP) values, usually dissolved in a solvent such as benzene [100][101][102][103][104]. Radical ions are formed by one electron transfer between surface sites (S) and the organic molecule electron acceptor (A) or donor (D) according to:…”
Section: Electron Spin Resonance Techniquementioning
confidence: 99%
“…For both cyclopentane and methylcyclopentane, reaction on HY at 500°C produces hydrogen as a secondary product. This secondary hydrogen appears to be associated with dehydrogenation processes (Abbot and Wojciechowski, 1988a) leading to aromatics and coke and the mechanism of its formation may involve free radical reactions (Brouwer, 1962).…”
Section: Hydrogen Formationmentioning
confidence: 99%
“…In addition they found bands of nearly equal intensity a t 408 and 430 mp and a shoulder a t 380 mp. However, they associated these with with the radical ion and the latter with a proton complex (carbonium ion) on the ell om substance, believed to be the car-basis of work by Broumer (14). Porter and bonium ion d2C+CH3 (11, and absorbing Hall are not convinced of the latter assigna t 423 mP.…”
Section: I-diphenylethylenementioning
confidence: 99%