Ohne Titel
Ceria is widely utilized in the field of CO catalysis due to its outstanding oxygen storage/release capacity (OSC/ORC). In this study, Ce precursor is successfully injected into the plasma electrolytic oxidation (PEO) film in silicate electrolyte through the addition of EDTA-2Na during PEO process....
Ausführliche Beschreibung
Autor*in: |
Liu, Xiaoyuan [verfasserIn] Wang, Ke [verfasserIn] Zhou, Yang [verfasserIn] Zhang, Xinglai [verfasserIn] Tang, Xinyue [verfasserIn] Ren, Pengcheng [verfasserIn] Jiang, Xin [verfasserIn] Liu, Baodan [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2019 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Journal of alloys and compounds - Lausanne : Elsevier, 1991, 792, Seite 644-651 |
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Übergeordnetes Werk: |
volume:792 ; pages:644-651 |
DOI / URN: |
10.1016/j.jallcom.2019.04.057 |
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Katalog-ID: |
ELV002206218 |
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520 | |a Ceria is widely utilized in the field of CO catalysis due to its outstanding oxygen storage/release capacity (OSC/ORC). In this study, Ce precursor is successfully injected into the plasma electrolytic oxidation (PEO) film in silicate electrolyte through the addition of EDTA-2Na during PEO process. The atomic percentage (at. %) of Ce in PEO film can reach up to 14.80, which is the highest among all the related works. Annealing treatment in air ambient leads to the crystallization and oxidation reaction of Ce species, which mainly exist in the PEO film in amorphous phase and Ce4.667(SiO4)3O. During the annealing process, CeO2 nanocrystals (∼100 nm) are generated under the confinement of amorphous SiO2 layer in PEO film. Subsequent etching treatment removes the amorphous SiO2 capping layer and triggers the catalytic activity of CeO2 nanocrystals. CO oxidation test reveals that these CeO2 nanocatalysts own remarkable catalytic activity in CO oxidation and show strong synergistic effect with noble metal (Au). This study establishes an efficient in-situ fabrication route for the preparation of highly active metal-supported ceria nanocatalysts with strong substrate adherence, showing overwhelming advantage compared with traditional catalyst preparation methods, which is promising for the direct integration of various oxide catalysts towards CO oxidation, TWCs, SCR, etc. | ||
650 | 4 | |a CeO | |
650 | 4 | |a Plasma electrolytic oxidation | |
650 | 4 | |a CO oxidation | |
700 | 1 | |a Wang, Ke |e verfasserin |4 aut | |
700 | 1 | |a Zhou, Yang |e verfasserin |4 aut | |
700 | 1 | |a Zhang, Xinglai |e verfasserin |4 aut | |
700 | 1 | |a Tang, Xinyue |e verfasserin |4 aut | |
700 | 1 | |a Ren, Pengcheng |e verfasserin |4 aut | |
700 | 1 | |a Jiang, Xin |e verfasserin |4 aut | |
700 | 1 | |a Liu, Baodan |e verfasserin |0 (orcid)0000-0001-8141-8940 |4 aut | |
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2019 |
allfields |
10.1016/j.jallcom.2019.04.057 doi (DE-627)ELV002206218 (ELSEVIER)S0925-8388(19)31323-4 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Liu, Xiaoyuan verfasserin aut 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Ceria is widely utilized in the field of CO catalysis due to its outstanding oxygen storage/release capacity (OSC/ORC). In this study, Ce precursor is successfully injected into the plasma electrolytic oxidation (PEO) film in silicate electrolyte through the addition of EDTA-2Na during PEO process. The atomic percentage (at. %) of Ce in PEO film can reach up to 14.80, which is the highest among all the related works. Annealing treatment in air ambient leads to the crystallization and oxidation reaction of Ce species, which mainly exist in the PEO film in amorphous phase and Ce4.667(SiO4)3O. During the annealing process, CeO2 nanocrystals (∼100 nm) are generated under the confinement of amorphous SiO2 layer in PEO film. Subsequent etching treatment removes the amorphous SiO2 capping layer and triggers the catalytic activity of CeO2 nanocrystals. CO oxidation test reveals that these CeO2 nanocatalysts own remarkable catalytic activity in CO oxidation and show strong synergistic effect with noble metal (Au). This study establishes an efficient in-situ fabrication route for the preparation of highly active metal-supported ceria nanocatalysts with strong substrate adherence, showing overwhelming advantage compared with traditional catalyst preparation methods, which is promising for the direct integration of various oxide catalysts towards CO oxidation, TWCs, SCR, etc. CeO Plasma electrolytic oxidation CO oxidation Wang, Ke verfasserin aut Zhou, Yang verfasserin aut Zhang, Xinglai verfasserin aut Tang, Xinyue verfasserin aut Ren, Pengcheng verfasserin aut Jiang, Xin verfasserin aut Liu, Baodan verfasserin (orcid)0000-0001-8141-8940 aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 792, Seite 644-651 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:792 pages:644-651 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 792 644-651 |
spelling |
10.1016/j.jallcom.2019.04.057 doi (DE-627)ELV002206218 (ELSEVIER)S0925-8388(19)31323-4 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Liu, Xiaoyuan verfasserin aut 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Ceria is widely utilized in the field of CO catalysis due to its outstanding oxygen storage/release capacity (OSC/ORC). In this study, Ce precursor is successfully injected into the plasma electrolytic oxidation (PEO) film in silicate electrolyte through the addition of EDTA-2Na during PEO process. The atomic percentage (at. %) of Ce in PEO film can reach up to 14.80, which is the highest among all the related works. Annealing treatment in air ambient leads to the crystallization and oxidation reaction of Ce species, which mainly exist in the PEO film in amorphous phase and Ce4.667(SiO4)3O. During the annealing process, CeO2 nanocrystals (∼100 nm) are generated under the confinement of amorphous SiO2 layer in PEO film. Subsequent etching treatment removes the amorphous SiO2 capping layer and triggers the catalytic activity of CeO2 nanocrystals. CO oxidation test reveals that these CeO2 nanocatalysts own remarkable catalytic activity in CO oxidation and show strong synergistic effect with noble metal (Au). This study establishes an efficient in-situ fabrication route for the preparation of highly active metal-supported ceria nanocatalysts with strong substrate adherence, showing overwhelming advantage compared with traditional catalyst preparation methods, which is promising for the direct integration of various oxide catalysts towards CO oxidation, TWCs, SCR, etc. CeO Plasma electrolytic oxidation CO oxidation Wang, Ke verfasserin aut Zhou, Yang verfasserin aut Zhang, Xinglai verfasserin aut Tang, Xinyue verfasserin aut Ren, Pengcheng verfasserin aut Jiang, Xin verfasserin aut Liu, Baodan verfasserin (orcid)0000-0001-8141-8940 aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 792, Seite 644-651 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:792 pages:644-651 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 792 644-651 |
allfields_unstemmed |
10.1016/j.jallcom.2019.04.057 doi (DE-627)ELV002206218 (ELSEVIER)S0925-8388(19)31323-4 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Liu, Xiaoyuan verfasserin aut 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Ceria is widely utilized in the field of CO catalysis due to its outstanding oxygen storage/release capacity (OSC/ORC). In this study, Ce precursor is successfully injected into the plasma electrolytic oxidation (PEO) film in silicate electrolyte through the addition of EDTA-2Na during PEO process. The atomic percentage (at. %) of Ce in PEO film can reach up to 14.80, which is the highest among all the related works. Annealing treatment in air ambient leads to the crystallization and oxidation reaction of Ce species, which mainly exist in the PEO film in amorphous phase and Ce4.667(SiO4)3O. During the annealing process, CeO2 nanocrystals (∼100 nm) are generated under the confinement of amorphous SiO2 layer in PEO film. Subsequent etching treatment removes the amorphous SiO2 capping layer and triggers the catalytic activity of CeO2 nanocrystals. CO oxidation test reveals that these CeO2 nanocatalysts own remarkable catalytic activity in CO oxidation and show strong synergistic effect with noble metal (Au). This study establishes an efficient in-situ fabrication route for the preparation of highly active metal-supported ceria nanocatalysts with strong substrate adherence, showing overwhelming advantage compared with traditional catalyst preparation methods, which is promising for the direct integration of various oxide catalysts towards CO oxidation, TWCs, SCR, etc. CeO Plasma electrolytic oxidation CO oxidation Wang, Ke verfasserin aut Zhou, Yang verfasserin aut Zhang, Xinglai verfasserin aut Tang, Xinyue verfasserin aut Ren, Pengcheng verfasserin aut Jiang, Xin verfasserin aut Liu, Baodan verfasserin (orcid)0000-0001-8141-8940 aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 792, Seite 644-651 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:792 pages:644-651 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 792 644-651 |
allfieldsGer |
10.1016/j.jallcom.2019.04.057 doi (DE-627)ELV002206218 (ELSEVIER)S0925-8388(19)31323-4 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Liu, Xiaoyuan verfasserin aut 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Ceria is widely utilized in the field of CO catalysis due to its outstanding oxygen storage/release capacity (OSC/ORC). In this study, Ce precursor is successfully injected into the plasma electrolytic oxidation (PEO) film in silicate electrolyte through the addition of EDTA-2Na during PEO process. The atomic percentage (at. %) of Ce in PEO film can reach up to 14.80, which is the highest among all the related works. Annealing treatment in air ambient leads to the crystallization and oxidation reaction of Ce species, which mainly exist in the PEO film in amorphous phase and Ce4.667(SiO4)3O. During the annealing process, CeO2 nanocrystals (∼100 nm) are generated under the confinement of amorphous SiO2 layer in PEO film. Subsequent etching treatment removes the amorphous SiO2 capping layer and triggers the catalytic activity of CeO2 nanocrystals. CO oxidation test reveals that these CeO2 nanocatalysts own remarkable catalytic activity in CO oxidation and show strong synergistic effect with noble metal (Au). This study establishes an efficient in-situ fabrication route for the preparation of highly active metal-supported ceria nanocatalysts with strong substrate adherence, showing overwhelming advantage compared with traditional catalyst preparation methods, which is promising for the direct integration of various oxide catalysts towards CO oxidation, TWCs, SCR, etc. CeO Plasma electrolytic oxidation CO oxidation Wang, Ke verfasserin aut Zhou, Yang verfasserin aut Zhang, Xinglai verfasserin aut Tang, Xinyue verfasserin aut Ren, Pengcheng verfasserin aut Jiang, Xin verfasserin aut Liu, Baodan verfasserin (orcid)0000-0001-8141-8940 aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 792, Seite 644-651 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:792 pages:644-651 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 792 644-651 |
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10.1016/j.jallcom.2019.04.057 doi (DE-627)ELV002206218 (ELSEVIER)S0925-8388(19)31323-4 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Liu, Xiaoyuan verfasserin aut 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Ceria is widely utilized in the field of CO catalysis due to its outstanding oxygen storage/release capacity (OSC/ORC). In this study, Ce precursor is successfully injected into the plasma electrolytic oxidation (PEO) film in silicate electrolyte through the addition of EDTA-2Na during PEO process. The atomic percentage (at. %) of Ce in PEO film can reach up to 14.80, which is the highest among all the related works. Annealing treatment in air ambient leads to the crystallization and oxidation reaction of Ce species, which mainly exist in the PEO film in amorphous phase and Ce4.667(SiO4)3O. During the annealing process, CeO2 nanocrystals (∼100 nm) are generated under the confinement of amorphous SiO2 layer in PEO film. Subsequent etching treatment removes the amorphous SiO2 capping layer and triggers the catalytic activity of CeO2 nanocrystals. CO oxidation test reveals that these CeO2 nanocatalysts own remarkable catalytic activity in CO oxidation and show strong synergistic effect with noble metal (Au). This study establishes an efficient in-situ fabrication route for the preparation of highly active metal-supported ceria nanocatalysts with strong substrate adherence, showing overwhelming advantage compared with traditional catalyst preparation methods, which is promising for the direct integration of various oxide catalysts towards CO oxidation, TWCs, SCR, etc. CeO Plasma electrolytic oxidation CO oxidation Wang, Ke verfasserin aut Zhou, Yang verfasserin aut Zhang, Xinglai verfasserin aut Tang, Xinyue verfasserin aut Ren, Pengcheng verfasserin aut Jiang, Xin verfasserin aut Liu, Baodan verfasserin (orcid)0000-0001-8141-8940 aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 792, Seite 644-651 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:792 pages:644-651 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 792 644-651 |
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Enthalten in Journal of alloys and compounds 792, Seite 644-651 volume:792 pages:644-651 |
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CeO Plasma electrolytic oxidation CO oxidation |
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Liu, Xiaoyuan @@aut@@ Wang, Ke @@aut@@ Zhou, Yang @@aut@@ Zhang, Xinglai @@aut@@ Tang, Xinyue @@aut@@ Ren, Pengcheng @@aut@@ Jiang, Xin @@aut@@ Liu, Baodan @@aut@@ |
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Ceria is widely utilized in the field of CO catalysis due to its outstanding oxygen storage/release capacity (OSC/ORC). In this study, Ce precursor is successfully injected into the plasma electrolytic oxidation (PEO) film in silicate electrolyte through the addition of EDTA-2Na during PEO process. The atomic percentage (at. %) of Ce in PEO film can reach up to 14.80, which is the highest among all the related works. Annealing treatment in air ambient leads to the crystallization and oxidation reaction of Ce species, which mainly exist in the PEO film in amorphous phase and Ce4.667(SiO4)3O. During the annealing process, CeO2 nanocrystals (∼100 nm) are generated under the confinement of amorphous SiO2 layer in PEO film. Subsequent etching treatment removes the amorphous SiO2 capping layer and triggers the catalytic activity of CeO2 nanocrystals. CO oxidation test reveals that these CeO2 nanocatalysts own remarkable catalytic activity in CO oxidation and show strong synergistic effect with noble metal (Au). This study establishes an efficient in-situ fabrication route for the preparation of highly active metal-supported ceria nanocatalysts with strong substrate adherence, showing overwhelming advantage compared with traditional catalyst preparation methods, which is promising for the direct integration of various oxide catalysts towards CO oxidation, TWCs, SCR, etc. |
abstractGer |
Ceria is widely utilized in the field of CO catalysis due to its outstanding oxygen storage/release capacity (OSC/ORC). In this study, Ce precursor is successfully injected into the plasma electrolytic oxidation (PEO) film in silicate electrolyte through the addition of EDTA-2Na during PEO process. The atomic percentage (at. %) of Ce in PEO film can reach up to 14.80, which is the highest among all the related works. Annealing treatment in air ambient leads to the crystallization and oxidation reaction of Ce species, which mainly exist in the PEO film in amorphous phase and Ce4.667(SiO4)3O. During the annealing process, CeO2 nanocrystals (∼100 nm) are generated under the confinement of amorphous SiO2 layer in PEO film. Subsequent etching treatment removes the amorphous SiO2 capping layer and triggers the catalytic activity of CeO2 nanocrystals. CO oxidation test reveals that these CeO2 nanocatalysts own remarkable catalytic activity in CO oxidation and show strong synergistic effect with noble metal (Au). This study establishes an efficient in-situ fabrication route for the preparation of highly active metal-supported ceria nanocatalysts with strong substrate adherence, showing overwhelming advantage compared with traditional catalyst preparation methods, which is promising for the direct integration of various oxide catalysts towards CO oxidation, TWCs, SCR, etc. |
abstract_unstemmed |
Ceria is widely utilized in the field of CO catalysis due to its outstanding oxygen storage/release capacity (OSC/ORC). In this study, Ce precursor is successfully injected into the plasma electrolytic oxidation (PEO) film in silicate electrolyte through the addition of EDTA-2Na during PEO process. The atomic percentage (at. %) of Ce in PEO film can reach up to 14.80, which is the highest among all the related works. Annealing treatment in air ambient leads to the crystallization and oxidation reaction of Ce species, which mainly exist in the PEO film in amorphous phase and Ce4.667(SiO4)3O. During the annealing process, CeO2 nanocrystals (∼100 nm) are generated under the confinement of amorphous SiO2 layer in PEO film. Subsequent etching treatment removes the amorphous SiO2 capping layer and triggers the catalytic activity of CeO2 nanocrystals. CO oxidation test reveals that these CeO2 nanocatalysts own remarkable catalytic activity in CO oxidation and show strong synergistic effect with noble metal (Au). This study establishes an efficient in-situ fabrication route for the preparation of highly active metal-supported ceria nanocatalysts with strong substrate adherence, showing overwhelming advantage compared with traditional catalyst preparation methods, which is promising for the direct integration of various oxide catalysts towards CO oxidation, TWCs, SCR, etc. |
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