1
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Chen JJ, Wang SD, Li ZY, Li XN, He SG. Selective Reduction of NO into N 2 Catalyzed by Rh 1-Doped Cluster Anions RhCe 2O 3-5. J Am Chem Soc 2023; 145:18658-18667. [PMID: 37572057 DOI: 10.1021/jacs.3c06565] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/14/2023]
Abstract
Catalytic conversion of toxic nitrogen oxide (NO) and carbon monoxide (CO) into nitrogen (N2) and carbon dioxide (CO2) is imperative under the weight of the increasingly stringent emission regulations, while a fundamental understanding of the nature of the active site to selectively drive N2 generation is elusive. Herein, in combination with state-of-the-art mass-spectrometric experiments and quantum-chemical calculations, we demonstrated that the rhodium-cerium oxide clusters RhCe2O3-5- can catalytically drive NO reduction by CO and give rise to N2 and CO2. This finding represents a sharp improvement in cluster science where N2O is commonly produced in the rarely established examples of catalytic NO reduction mediated with gas-phase clusters. We demonstrated the importance of the unique chemical environment in the RhCe2O3- cluster to guide the substantially improved N2 selectivity: a triatomic Lewis "acid-base-acid" Ceδ+-Rhδ--Ceδ+ site is proposed to strongly adsorb two NO molecules as well as the N2O intermediate that is attached on the Rh atom and can facilely dissociate to form N2 assisted by both Ce atoms.
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Affiliation(s)
- Jiao-Jiao Chen
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- Beijing National Laboratory for Molecular Sciences and CAS Research/Education Center of Excellence in Molecular Sciences, Beijing 100190, China
| | - Si-Dun Wang
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China
| | - Zi-Yu Li
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- Beijing National Laboratory for Molecular Sciences and CAS Research/Education Center of Excellence in Molecular Sciences, Beijing 100190, China
| | - Xiao-Na Li
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- Beijing National Laboratory for Molecular Sciences and CAS Research/Education Center of Excellence in Molecular Sciences, Beijing 100190, China
| | - Sheng-Gui He
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Beijing National Laboratory for Molecular Sciences and CAS Research/Education Center of Excellence in Molecular Sciences, Beijing 100190, China
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2
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Chen W, Fan L, Jiang X, Guo J, Liu H, Tian M. Preparation of Ce x Zr 1-x O 2 by Different Methods and Its Catalytic Oxidation Activity for Diesel Soot. ACS OMEGA 2022; 7:16352-16360. [PMID: 35601292 PMCID: PMC9118398 DOI: 10.1021/acsomega.1c07308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 04/20/2022] [Indexed: 06/15/2023]
Abstract
Novel Ce x Zr1-x O2 (x = 0.67, 0.8, 0.9, 1.0) catalysts were designed and synthesized by solvothermal, calcination, and sol-gel methods and were used to catalyze oxidation of soot from diesel vehicle exhaust. The influence of catalysts synthesized by different methods and Ce/Zr molar ratios on the performance was investigated. These catalysts were characterized by XRD, N2 adsorption-desorption, FT-IR, TEM, XPS, H2-temperature programmed reduction (TPR), and O2-temperature programmed desorption (TPD) techniques. The results indicated that Ce0.8Zr0.2O2 prepared by the calcination method has excellent activity and stability at low temperature. The soot ignition point is 322 °C, and the ratio of soot conversion reaches 90% at 497 °C, which is lower than that from the solvothermal and sol-gel methods. The XRD, Raman, SEM, XPS and H2-TPR results reveal that the structure and oxygen adsorption properties are crucial to soot oxidation activity, and Zr4+ is successfully doped into the CeO2 lattice and forms a homogeneous solid solution. Nanostructured Ce0.8Zr0.2O2 with 110.2 m2/g surface areas is produced. The proportion of chemical oxygen and surface adsorbed oxygen in the catalyst prepared from the calcination method is the highest at 23.18%. The structure may lead to charge imbalance, unsaturated bonds, and oxygen vacancies, thus increasing the adsorption of oxygen on the catalyst surface.
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3
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Nagata T, Wu JWJ, Nakano M, Ohshimo K, Misaizu F. Geometrical Structures of Gas-Phase Cerium Oxide Cluster Cations after Reaction with Nitric Oxide Studied by Ion Mobility Mass Spectrometry. J Phys Chem A 2022; 126:1204-1210. [PMID: 35167295 DOI: 10.1021/acs.jpca.1c10835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Cerium oxide cluster cations were reacted with nitric oxide molecules and then measured by ion mobility mass spectrometry (IMMS). CenO2n+1N+ species appeared as products of the reaction CenO2n+ + NO → CenO2n+1N+, and their collision cross sections (CCSs) with helium were obtained by IMMS. The experimental CCSs of CenO2n+1N+ were 2-6 Å2 larger than those of CenO2n+ for n = 4-10. Geometrical structures of Ce4O9N+ and Ce5O11N+ were assigned by comparing experimental CCSs with theoretically calculated CCSs of candidate structures. The suggested structures showed that the adsorbed NO molecule is oxidized by the CenO2n+ cluster into a nitrite (NO2-) or nitrate (NO3-). The CenO2n+1N+ species are regarded as intermediates of the NO oxidation reaction CenO2n+ + NO → CenO2n-1+ + NO2, and therefore, the present results are helpful for understanding redox reactions involving gas-phase CenO2n+ cluster ions.
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Affiliation(s)
- Toshiaki Nagata
- Department of Chemistry, Graduate School of Science, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Jenna W J Wu
- Department of Chemistry, Graduate School of Science, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Motoyoshi Nakano
- Department of Chemistry, Graduate School of Science, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Keijiro Ohshimo
- Department of Chemistry, Graduate School of Science, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Fuminori Misaizu
- Department of Chemistry, Graduate School of Science, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
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4
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Hardy RA, Karayilan AM, Metha GF. Using Photoionization Efficiency Spectroscopy and Density Functional Theory to Investigate Charge Transfer Interactions in AuCe3On Clusters. J Phys Chem A 2020; 124:5812-5823. [DOI: 10.1021/acs.jpca.0c02310] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Robert A. Hardy
- Department of Chemistry, The University of Adelaide, South Australia 5005, Australia
| | - Aidan M. Karayilan
- Department of Chemistry, The University of Adelaide, South Australia 5005, Australia
| | - Gregory F. Metha
- Department of Chemistry, The University of Adelaide, South Australia 5005, Australia
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5
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Ozório MS, Da Silva ACH, Da Silva JLF. A Hybrid Density Functional Theory Investigation of the $$({\text {CeO}}_2)_{6}$$ Clusters in the Cationic, Neutral, and Anionic States. J CLUST SCI 2019. [DOI: 10.1007/s10876-019-01728-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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6
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Hardy RA, Karayilan AM, Metha GF. Investigating Charge Transfer Interactions in AuCe2On Clusters Using Photoionization Efficiency Spectroscopy and Density Functional Theory. J Phys Chem A 2019; 123:10158-10168. [DOI: 10.1021/acs.jpca.9b09199] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Robert A. Hardy
- Department of Chemistry, The University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Aidan M. Karayilan
- Department of Chemistry, The University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Gregory F. Metha
- Department of Chemistry, The University of Adelaide, Adelaide, South Australia 5005, Australia
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7
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Castro L, So YM, Cho CW, Lortz R, Wong KH, Wang K, Arnold PL, Au-Yeung KC, Sung HHY, Williams ID, Leung WH, Maron L. A Combined Experimental and Theoretical Study of the Versatile Reactivity of an Oxocerium(IV) Complex: Concerted Versus Reductive Addition. Chemistry 2019; 25:10834-10839. [PMID: 31287592 DOI: 10.1002/chem.201903035] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Indexed: 11/09/2022]
Abstract
A combined experimental and theoretical investigation on the cerium(IV) oxo complex [(LOEt )2 Ce(=O)(H2 O)]⋅MeC(O)NH2 (1; LOEt - =[Co(η5 -C5 H5 ){P(O)(OEt)2 }3 ]- ) demonstrates that the intermediate spin-state nature of the ground state of the cerium complex is responsible for the versatility of its reactivity towards small molecules such as CO, CO2 , SO2 , and NO. CASSCF calculations together with magnetic susceptibility measurements indicate that the ground state of the cerium complex is of multiconfigurational character and comprised of 74 % of CeIV and 26 % of CeIII . The latter is found to be responsible for its reductive addition behavior towards CO, SO2 , and NO. This is the first report to date on the influence of the multiconfigurational ground state on the reactivity of a metal-oxo complex.
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Affiliation(s)
| | - Yat-Ming So
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, P. R. China
| | - Chang-Woo Cho
- Department of Physics, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, P. R. China
| | - Rolf Lortz
- Department of Physics, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, P. R. China
| | - Kai-Hong Wong
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, P. R. China
| | - Kai Wang
- EaStCHEM School of Chemistry, University of Edinburgh, The King's Buildings, Edinburgh, EH9 3FJ, UK
| | - Polly L Arnold
- EaStCHEM School of Chemistry, University of Edinburgh, The King's Buildings, Edinburgh, EH9 3FJ, UK
| | - Ka-Chun Au-Yeung
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, P. R. China
| | - Herman H-Y Sung
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, P. R. China
| | - Ian D Williams
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, P. R. China
| | - Wa-Hung Leung
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, P. R. China
| | - Laurent Maron
- LPCNO, Université de Toulouse, 31077, Toulouse, France
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8
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Zhou R, Ma S, Yang Y, Li D, Qu B, Zeng XC. Reaction mechanism between small-sized Ce clusters and water molecules II: an ab initio investigation on Ce n (n = 1-3) + mH 2O (m = 2-6). Phys Chem Chem Phys 2019; 21:8945-8955. [PMID: 30989159 DOI: 10.1039/c9cp01027k] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Possible reactions between the products of the three independent reactions involving a small Ce cluster and a single water molecule, Cen + H2O (n = 1-3), and an additional H2O molecule are systematically investigated. The ground-state isomers of the final products and the reaction pathways involving multiple water molecules are predicted. We find that under either ambient or UV-irradiation conditions, all the reactions can entail low energy barriers. In addition, the final products of the reaction between Cen and more than two H2O molecules are also predicted through an extensive structural search. The calculated reaction energies suggest that although small-sized Ce clusters can react with more than two water molecules, the reactions with one or two water molecules are dominant. The electronic structures of all the ground-state isomers and the corresponding oxidation states of Ce atoms in these isomers are computed and determined via the natural bond orbital (NBO) method. The results indicate that a single Ce atom and a Ce2 cluster can react with a maximum of four and six water molecules, respectively, while a Ce3 cluster can react with more than six water molecules. This comprehensive study offers an improved understanding of the mechanism underlying the reactions between a single Ce atom or a small Ce cluster and two or more H2O molecules. Knowledge obtained from this study can be helpful for the development of high-performance Ce-doped or Ce-based catalysts.
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Affiliation(s)
- Rulong Zhou
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, Anhui 230009, P. R. China.
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9
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Zhou R, Yang Y, Pande S, Qu B, Li D, Zeng XC. Reaction mechanism between small-sized Ce clusters and water molecules: an ab initio investigation on Ce n + H 2O. Phys Chem Chem Phys 2019; 21:4006-4014. [PMID: 30714061 DOI: 10.1039/c8cp07551d] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Reactions of small-sized cerium clusters Cen (n = 1-3) with a single water molecule are systematically investigated theoretically. The ground state structures of the Cen/H2O complex and the reaction pathways between Cen + H2O are predicted. Our results show the size-dependent reactivity of small-sized Ce clusters. The calculated reaction energies and reaction barriers indicate that the reactivity between Cen and water becomes higher with increasing cluster size. The predicted reaction pathways show that the single Ce atom and the Ce2 and Ce3 clusters can all easily react with H2O and dissociate the water molecule. Under UV-irradiation, the reaction of a Ce atom with a single H2O molecule may even release an H2 molecule. The reaction of either Ce2 or Ce3 with a single H2O molecule can fully dissociate the H2O into H and O atoms while it is bonded with the Ce cluster. The electronic configuration and oxidation states of the Ce atoms in the products and the higher occupied molecular orbitals are analyzed by using the natural bond orbital (NBO) analysis method, from which the high reactivity between the reaction products of Cen + H2O and an additional H2O molecule is predicted. Our results offer deeper molecular insights into the chemical reactivity of Ce, which could be helpful for developing more efficient Ce-doped or Ce-based catalysts.
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Affiliation(s)
- Rulong Zhou
- School of Materials Science and Engineering, Hefei University of Technology, Hefei, Anhui 230009, P. R. China.
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10
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Wang H, Luo S, Zhang M, Liu W, Wu X, Liu S. Roles of oxygen vacancy and O− in oxidation reactions over CeO2 and Ag/CeO2 nanorod model catalysts. J Catal 2018. [DOI: 10.1016/j.jcat.2018.10.018] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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11
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Schaugaard RN, Topolski JE, Ray M, Raghavachari K, Jarrold CC. Insight into ethylene interactions with molybdenum suboxide cluster anions from photoelectron spectra of chemifragments. J Chem Phys 2018; 148:054308. [DOI: 10.1063/1.5008264] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Richard N. Schaugaard
- Indiana University Department of Chemistry, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, USA
| | - Josey E. Topolski
- Indiana University Department of Chemistry, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, USA
| | - Manisha Ray
- Indiana University Department of Chemistry, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, USA
| | - Krishnan Raghavachari
- Indiana University Department of Chemistry, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, USA
| | - Caroline Chick Jarrold
- Indiana University Department of Chemistry, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, USA
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12
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Ray M, Schaugaard RN, Topolski JE, Kafader JO, Raghavachari K, Jarrold CC. Molybdenum Oxide Cluster Anion Reactions with C2H4 and H2O: Cooperativity and Chemifragmentation. J Phys Chem A 2017; 122:41-52. [DOI: 10.1021/acs.jpca.7b10798] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Manisha Ray
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Richard N. Schaugaard
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Josey E. Topolski
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Jared O. Kafader
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Krishnan Raghavachari
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Caroline Chick Jarrold
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
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13
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Characterization of Cerium and Oxygen Atoms in Free Clusters of Cerium Oxide by X-ray Absorption Spectroscopy. Top Catal 2017. [DOI: 10.1007/s11244-017-0869-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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14
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Topolski JE, Kafader JO, Jarrold CC. Ce in the +4 oxidation state: Anion photoelectron spectroscopy and photodissociation of small CexOyHz− molecules. J Chem Phys 2017; 147:104303. [DOI: 10.1063/1.4996133] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Josey E. Topolski
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, USA
| | - Jared O. Kafader
- Proteomic Center of Excellence, Northwestern University, 2170 Campus Dr., Evanston, Illinois 60208-2850, USA
| | - Caroline Chick Jarrold
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, USA
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15
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Zhou S, Li J, Schlangen M, Schwarz H. Ursachen der unterschiedlichen Reaktivität von [AlCeO
x
]
+
(
x=
2
–
4) gegenüber Methan in Abhängigkeit vom Sauerstoffgehalt. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201610424] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Shaodong Zhou
- Institut für Chemie Technische Universität Berlin Straße des 17. Juni 135 10623 Berlin Deutschland
| | - Jilai Li
- Institut für Chemie Technische Universität Berlin Straße des 17. Juni 135 10623 Berlin Deutschland
- Institute of Theoretical Chemistry Jilin University Changchun 130023 VR China
| | - Maria Schlangen
- Institut für Chemie Technische Universität Berlin Straße des 17. Juni 135 10623 Berlin Deutschland
| | - Helmut Schwarz
- Institut für Chemie Technische Universität Berlin Straße des 17. Juni 135 10623 Berlin Deutschland
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16
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Zhou S, Li J, Schlangen M, Schwarz H. On the Origin of the Remarkably Variable Reactivities of [AlCeO
x
]+
(x=
2-
4) towards Methane as a Function of Oxygen Content. Angew Chem Int Ed Engl 2016; 56:413-416. [DOI: 10.1002/anie.201610424] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Indexed: 01/09/2023]
Affiliation(s)
- Shaodong Zhou
- Institut für Chemie; Technische Universität Berlin; Strasse des 17. Juni 135 10623 Berlin Germany
| | - Jilai Li
- Institut für Chemie; Technische Universität Berlin; Strasse des 17. Juni 135 10623 Berlin Germany
- Institute of Theoretical Chemistry; Jilin University; Changchun 130023 P.R. China
| | - Maria Schlangen
- Institut für Chemie; Technische Universität Berlin; Strasse des 17. Juni 135 10623 Berlin Germany
| | - Helmut Schwarz
- Institut für Chemie; Technische Universität Berlin; Strasse des 17. Juni 135 10623 Berlin Germany
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17
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Kafader JO, Topolski JE, Jarrold CC. Molecular and electronic structures of cerium and cerium suboxide clusters. J Chem Phys 2016; 145:154306. [DOI: 10.1063/1.4964817] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Jared O. Kafader
- Department of Chemistry, Indiana University, 800 East Kirkwood Ave., Bloomington, Indiana 47405, USA
| | - Josey E. Topolski
- Department of Chemistry, Indiana University, 800 East Kirkwood Ave., Bloomington, Indiana 47405, USA
| | - Caroline Chick Jarrold
- Department of Chemistry, Indiana University, 800 East Kirkwood Ave., Bloomington, Indiana 47405, USA
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18
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Nagata T, Miyajima K, Mafuné F. Gold Atoms Supported on Gas-Phase Cerium Oxide Cluster Ions: Stable Stoichiometry and Reactivity with CO. J Phys Chem A 2016; 120:7624-7633. [DOI: 10.1021/acs.jpca.6b08257] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Toshiaki Nagata
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Ken Miyajima
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Fumitaka Mafuné
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
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19
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Ray M, Kafader JO, Topolski JE, Jarrold CC. Mixed cerium-platinum oxides: Electronic structure of [CeO]Ptn (n = 1, 2) and [CeO2]Pt complex anions and neutrals. J Chem Phys 2016; 145:044317. [DOI: 10.1063/1.4959279] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Manisha Ray
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, USA
| | - Jared O. Kafader
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, USA
| | - Josey E. Topolski
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, USA
| | - Caroline Chick Jarrold
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, USA
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20
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Zhou ZX, Wang L, Li ZY, He SG, Ma TM. Oxidation of SO2 to SO3 by Cerium Oxide Cluster Cations Ce2O4+ and Ce3O6+. J Phys Chem A 2016; 120:3843-8. [DOI: 10.1021/acs.jpca.6b00108] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Zhen-Xun Zhou
- School
of Chemistry and Chemical Engineering, South China University of Technology, Wushan Road 381, Tianhe District, Guangzhou, People’s Republic of China, 510640
| | - Li−Na Wang
- School
of Chemistry and Chemical Engineering, South China University of Technology, Wushan Road 381, Tianhe District, Guangzhou, People’s Republic of China, 510640
| | - Zi-Yu Li
- State
Key Laboratory for Structural Chemistry of Unstable and Stable Species,
Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, People’s Republic of China, 100190
| | - Sheng-Gui He
- State
Key Laboratory for Structural Chemistry of Unstable and Stable Species,
Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, People’s Republic of China, 100190
| | - Tong-Mei Ma
- School
of Chemistry and Chemical Engineering, South China University of Technology, Wushan Road 381, Tianhe District, Guangzhou, People’s Republic of China, 510640
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21
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Akin ST, Ard SG, Dye BE, Schaefer HF, Duncan MA. Photodissociation of Cerium Oxide Nanocluster Cations. J Phys Chem A 2016; 120:2313-9. [PMID: 27035210 DOI: 10.1021/acs.jpca.6b02052] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Cerium oxide cluster cations, CexOy(+), are produced via laser vaporization in a pulsed nozzle source and detected with time-of-flight mass spectrometry. The mass spectrum displays a strongly preferred oxide stoichiometry for each cluster with a specific number of metal atoms x, with x ≤ y. Specifically, the most prominent clusters correspond to the formula CeO(CeO2)n(+). The cluster cations are mass selected and photodissociated with a Nd:YAG laser at either 532 or 355 nm. The prominent clusters dissociate to produce smaller species also having a similar CeO(CeO2)n(+) formula, always with apparent leaving groups of (CeO2). The production of CeO(CeO2)n(+) from the dissociation of many cluster sizes establishes the relative stability of these clusters. Furthermore, the consistent loss of neutral CeO2 shows that the smallest neutral clusters adopt the same oxidation state (IV) as the most common form of bulk cerium oxide. Clusters with higher oxygen content than the CeO(CeO2)n(+) masses are present with much lower abundance. These species dissociate by the loss of O2, leaving surviving clusters with the CeO(CeO2)n(+) formula. Density functional theory calculations on these clusters suggest structures composed of stable CeO(CeO2)n(+) cores with excess oxygen bound to the surface as a superoxide unit (O2(-)).
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Affiliation(s)
- S T Akin
- Department of Chemistry, University of Georgia , Athens, Georgia 30602, United States
| | - S G Ard
- Department of Chemistry, University of Georgia , Athens, Georgia 30602, United States
| | - B E Dye
- Department of Chemistry, University of Georgia , Athens, Georgia 30602, United States.,Center for Computational Quantum Chemistry, University of Georgia , Athens, Georgia 30602, United States
| | - H F Schaefer
- Department of Chemistry, University of Georgia , Athens, Georgia 30602, United States.,Center for Computational Quantum Chemistry, University of Georgia , Athens, Georgia 30602, United States
| | - M A Duncan
- Department of Chemistry, University of Georgia , Athens, Georgia 30602, United States
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22
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Kafader JO, Ray M, Raghavachari K, Jarrold CC. Role of weakly bound complexes in temperature-dependence and relative rates of MxOy− + H2O (M = Mo, W) reactions. J Chem Phys 2016; 144:074307. [DOI: 10.1063/1.4941829] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Affiliation(s)
- Jared O. Kafader
- Department of Chemistry, Indiana University, 800 E. Kirkwood Ave., Bloomington, Indiana 47405, USA
| | - Manisha Ray
- Department of Chemistry, Indiana University, 800 E. Kirkwood Ave., Bloomington, Indiana 47405, USA
| | - Krishnan Raghavachari
- Department of Chemistry, Indiana University, 800 E. Kirkwood Ave., Bloomington, Indiana 47405, USA
| | - Caroline Chick Jarrold
- Department of Chemistry, Indiana University, 800 E. Kirkwood Ave., Bloomington, Indiana 47405, USA
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23
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Nagata T, Miyajima K, Mafuné F. Oxidation of Nitric Oxide on Gas-Phase Cerium Oxide Clusters via Reactant Adsorption and Product Desorption Processes. J Phys Chem A 2015; 119:10255-63. [DOI: 10.1021/acs.jpca.5b07749] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Toshiaki Nagata
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Ken Miyajima
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Fumitaka Mafuné
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
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24
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Slostowski C, Marre S, Babot O, Toupance T, Aymonier C. Effect of Thermal Treatment on the Textural Properties of CeO2Powders Synthesized in Near- and Supercritical Alcohols. Chemphyschem 2015; 16:3493-9. [DOI: 10.1002/cphc.201500570] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Indexed: 11/06/2022]
Affiliation(s)
| | - Samuel Marre
- CNRS; Univ. Bordeaux, ICMCB, UPR9048; F-33600 Pessac France
| | - Odile Babot
- Institut des Sciences Moléculaires; Université de Bordeaux, UMR 5255 CNRS, C2M Team; 351 cours de la Libération 33405 Talence France
| | - Thierry Toupance
- Institut des Sciences Moléculaires; Université de Bordeaux, UMR 5255 CNRS, C2M Team; 351 cours de la Libération 33405 Talence France
| | - Cyril Aymonier
- CNRS; Univ. Bordeaux, ICMCB, UPR9048; F-33600 Pessac France
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25
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Wang G, So Y, Wong K, Au‐Yeung K, Sung HH, Williams ID, Leung W. Synthesis, Structure, and Reactivity of a Tetranuclear Cerium(IV) Oxo Cluster Supported by the Kläui Tripodal Ligand [Co(η
5
‐C
5
H
5
){P(O)(OEt)
2
}
3
]
−. Chemistry 2015; 21:16126-35. [DOI: 10.1002/chem.201502173] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Indexed: 11/12/2022]
Affiliation(s)
- Guo‐Cang Wang
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong (P. R. China), Fax: (+852) 2356‐1594
| | - Yat‐Ming So
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong (P. R. China), Fax: (+852) 2356‐1594
| | - Kang‐Long Wong
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong (P. R. China), Fax: (+852) 2356‐1594
| | - Ka‐Chun Au‐Yeung
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong (P. R. China), Fax: (+852) 2356‐1594
| | - Herman H.‐Y. Sung
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong (P. R. China), Fax: (+852) 2356‐1594
| | - Ian D. Williams
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong (P. R. China), Fax: (+852) 2356‐1594
| | - Wa‐Hung Leung
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong (P. R. China), Fax: (+852) 2356‐1594
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26
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Chen Z, Liu X, Cho K, Chen R, Shan B. Density Functional Theory Study of the Oxygen Chemistry and NO Oxidation Mechanism on Low-Index Surfaces of SmMn2O5 Mullite. ACS Catal 2015. [DOI: 10.1021/acscatal.5b00249] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | | | - Kyeongjae Cho
- Department of Materials Science
and Engineering, The University of Texas at Dallas, Richardson, Texas 75080, United States
| | | | - Bin Shan
- Department of Materials Science
and Engineering, The University of Texas at Dallas, Richardson, Texas 75080, United States
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27
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Nagata T, Miyajima K, Hardy RA, Metha GF, Mafuné F. Reactivity of Oxygen Deficient Cerium Oxide Clusters with Small Gaseous Molecules. J Phys Chem A 2015; 119:5545-52. [DOI: 10.1021/acs.jpca.5b02816] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Toshiaki Nagata
- Department of Basic Science, School of
Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Ken Miyajima
- Department of Basic Science, School of
Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Robert Allan Hardy
- Department of Chemistry, The University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Gregory F. Metha
- Department of Chemistry, The University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Fumitaka Mafuné
- Department of Basic Science, School of
Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
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28
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Nagata T, Miyajima K, Mafuné F. Stable Stoichiometry of Gas-Phase Cerium Oxide Cluster Ions and Their Reactions with CO. J Phys Chem A 2015; 119:1813-9. [DOI: 10.1021/jp509592a] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Toshiaki Nagata
- Department of
Basic Science, School of Arts
and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, JAPAN
| | - Ken Miyajima
- Department of
Basic Science, School of Arts
and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, JAPAN
| | - Fumitaka Mafuné
- Department of
Basic Science, School of Arts
and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, JAPAN
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