2022
DOI: 10.1039/d2cp02862j
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An infrared study of CO2 activation by holmium ions, Ho+ and HoO+

Abstract: We report a combined experimental and computational study of carbon dioxide activation at gas-phase Ho+ and HoO+ centres. Infrared action spectra of Ho(CO2)n+ and [HoO(CO2)n]+ ion-molecule complexes have been recorded...

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Cited by 15 publications
(19 citation statements)
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“…Stabilizing zirconia by yttria increases the number of oxygen vacancies, provides basic sites, and hence improves the dissociation of carbon dioxide, as per eq . The addition of holmium oxide (Ho 2 O 3 ) would also contribute to the enhancement of the adsorption of carbon dioxide via its binding to Ho 3+ ions and the formation of radical carbonate anions, which, in turn, facilitates the activation of terminal CO bonds …”
Section: Resultsmentioning
confidence: 99%
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“…Stabilizing zirconia by yttria increases the number of oxygen vacancies, provides basic sites, and hence improves the dissociation of carbon dioxide, as per eq . The addition of holmium oxide (Ho 2 O 3 ) would also contribute to the enhancement of the adsorption of carbon dioxide via its binding to Ho 3+ ions and the formation of radical carbonate anions, which, in turn, facilitates the activation of terminal CO bonds …”
Section: Resultsmentioning
confidence: 99%
“…The addition of holmium oxide (Ho 2 O 3 ) would also contribute to the enhancement of the adsorption of carbon dioxide via its binding to Ho 3+ ions and the formation of radical carbonate anions, which, in turn, facilitates the activation of terminal C� O bonds. 46 The adsorbed oxygen radical would react with the products of methane decomposition, that is, carbon and hydrogen. Thus, it is useful for the removal of coke carbon from the surface of nickel metal, 44 as shown in eq 8 (8) Where C Ni is carbon deposited on the surface of nickel metal.…”
Section: ■ Results and Discussionmentioning
confidence: 99%
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“…The experimental setup has been described in detail previously , and modified recently to include the mass selection of ions via a quadrupole mass filter . Briefly, a rotating disc target of the required metal (Co, Rh, or Ir) is ablated at 532 nm by a pulsed Nd:YAG laser (10 Hz, ca.…”
Section: Experimental and Computational Methodsmentioning
confidence: 99%
“… 16 , 31 , 52 , 53 In contrast to activation by pure metallic clusters, where carbonyl (CO) formation is observed, activation by metal oxides can lead to the formation of a carbonate radical anion moiety, [CO 3 ] − . 30 , 54 …”
Section: Introductionmentioning
confidence: 99%