Metal–Support Interactions on Ag/$ Co_{3} %$ O_{4} $ Nanowire Monolithic Catalysts Promoting Catalytic Soot Combustion
Abstract Tuning metal–support interactions (MSIs) is an important strategy in heterogeneous catalysis to realize the desirable metal dispersion and redox ability of metal catalysts. Herein, we use pre-reduced $ Co_{3} %$ O_{4} $ nanowires (Co-NWs) in situ grown on monolithic Ni foam substrates to su...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Yi, Xingwang [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022 |
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| Schlagwörter: |
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| Anmerkung: |
© The Author(s) 2022 |
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| Übergeordnetes Werk: |
Enthalten in: Transactions of Tianjin University - Tianjin : Univ., 1995, 28(2022), 3 vom: Juni, Seite 174-185 |
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| Übergeordnetes Werk: |
volume:28 ; year:2022 ; number:3 ; month:06 ; pages:174-185 |
| Links: |
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| DOI / URN: |
10.1007/s12209-022-00325-y |
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| Katalog-ID: |
SPR050886827 |
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| 245 | 1 | 0 | |a Metal–Support Interactions on Ag/$ Co_{3} %$ O_{4} $ Nanowire Monolithic Catalysts Promoting Catalytic Soot Combustion |
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| 520 | |a Abstract Tuning metal–support interactions (MSIs) is an important strategy in heterogeneous catalysis to realize the desirable metal dispersion and redox ability of metal catalysts. Herein, we use pre-reduced $ Co_{3} %$ O_{4} $ nanowires (Co-NWs) in situ grown on monolithic Ni foam substrates to support Ag catalysts (Ag/Co-NW-R) for soot combustion. The macroporous structure of Ni foam with crossed $ Co_{3} %$ O_{4} $ nanowires remarkably increases the soot–catalyst contact efficiency. Our characterization results demonstrate that Ag species exist as $ Ag^{0} $ because of the equation $ Ag^{+} $ + $ Co^{2+} $ = $ Ag^{0} $ + $ Co^{3+} $, and the pre-reduction treatment enhances interactions between Ag and $ Co_{3} %$ O_{4} $. The number of active oxygen species on the Ag-loaded catalysts is approximately twice that on the supports, demonstrating the significant role of Ag sites in generating active oxygen species. Additionally, the strengthened MSI on Ag/Co-NW-R further improves this number by increasing metal dispersion and the intrinsic activity determined by the turnover frequency of these oxygen species for soot oxidation compared with the catalyst without pre-reduction of Co-NW (Ag/Co-NW). In addition to high activity, Ag/Co-NW-R exhibits high catalytic stability and water resistance. The strategy used in this work might be applicable in related catalytic systems. | ||
| 650 | 4 | |a Metal–support interaction |7 (dpeaa)DE-He213 | |
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| 650 | 4 | |a Ag |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Co |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a O |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a nanowires |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Soot oxidation |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Yang, Yuexi |4 aut | |
| 700 | 1 | |a Xu, Dawei |4 aut | |
| 700 | 1 | |a Tian, Ye |4 aut | |
| 700 | 1 | |a Song, Song |4 aut | |
| 700 | 1 | |a Cao, Chunmei |4 aut | |
| 700 | 1 | |a Li, Xingang |4 aut | |
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10.1007/s12209-022-00325-y doi (DE-627)SPR050886827 (SPR)s12209-022-00325-y-e DE-627 ger DE-627 rakwb eng Yi, Xingwang verfasserin aut Metal–Support Interactions on Ag/$ Co_{3} %$ O_{4} $ Nanowire Monolithic Catalysts Promoting Catalytic Soot Combustion 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022 Abstract Tuning metal–support interactions (MSIs) is an important strategy in heterogeneous catalysis to realize the desirable metal dispersion and redox ability of metal catalysts. Herein, we use pre-reduced $ Co_{3} %$ O_{4} $ nanowires (Co-NWs) in situ grown on monolithic Ni foam substrates to support Ag catalysts (Ag/Co-NW-R) for soot combustion. The macroporous structure of Ni foam with crossed $ Co_{3} %$ O_{4} $ nanowires remarkably increases the soot–catalyst contact efficiency. Our characterization results demonstrate that Ag species exist as $ Ag^{0} $ because of the equation $ Ag^{+} $ + $ Co^{2+} $ = $ Ag^{0} $ + $ Co^{3+} $, and the pre-reduction treatment enhances interactions between Ag and $ Co_{3} %$ O_{4} $. The number of active oxygen species on the Ag-loaded catalysts is approximately twice that on the supports, demonstrating the significant role of Ag sites in generating active oxygen species. Additionally, the strengthened MSI on Ag/Co-NW-R further improves this number by increasing metal dispersion and the intrinsic activity determined by the turnover frequency of these oxygen species for soot oxidation compared with the catalyst without pre-reduction of Co-NW (Ag/Co-NW). In addition to high activity, Ag/Co-NW-R exhibits high catalytic stability and water resistance. The strategy used in this work might be applicable in related catalytic systems. Metal–support interaction (dpeaa)DE-He213 Monolithic catalysts (dpeaa)DE-He213 Ag (dpeaa)DE-He213 Co (dpeaa)DE-He213 O (dpeaa)DE-He213 nanowires (dpeaa)DE-He213 Soot oxidation (dpeaa)DE-He213 Yang, Yuexi aut Xu, Dawei aut Tian, Ye aut Song, Song aut Cao, Chunmei aut Li, Xingang aut Enthalten in Transactions of Tianjin University Tianjin : Univ., 1995 28(2022), 3 vom: Juni, Seite 174-185 (DE-627)592072681 (DE-600)2479763-7 1995-8196 nnns volume:28 year:2022 number:3 month:06 pages:174-185 https://dx.doi.org/10.1007/s12209-022-00325-y kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 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_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 28 2022 3 06 174-185 |
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10.1007/s12209-022-00325-y doi (DE-627)SPR050886827 (SPR)s12209-022-00325-y-e DE-627 ger DE-627 rakwb eng Yi, Xingwang verfasserin aut Metal–Support Interactions on Ag/$ Co_{3} %$ O_{4} $ Nanowire Monolithic Catalysts Promoting Catalytic Soot Combustion 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022 Abstract Tuning metal–support interactions (MSIs) is an important strategy in heterogeneous catalysis to realize the desirable metal dispersion and redox ability of metal catalysts. Herein, we use pre-reduced $ Co_{3} %$ O_{4} $ nanowires (Co-NWs) in situ grown on monolithic Ni foam substrates to support Ag catalysts (Ag/Co-NW-R) for soot combustion. The macroporous structure of Ni foam with crossed $ Co_{3} %$ O_{4} $ nanowires remarkably increases the soot–catalyst contact efficiency. Our characterization results demonstrate that Ag species exist as $ Ag^{0} $ because of the equation $ Ag^{+} $ + $ Co^{2+} $ = $ Ag^{0} $ + $ Co^{3+} $, and the pre-reduction treatment enhances interactions between Ag and $ Co_{3} %$ O_{4} $. The number of active oxygen species on the Ag-loaded catalysts is approximately twice that on the supports, demonstrating the significant role of Ag sites in generating active oxygen species. Additionally, the strengthened MSI on Ag/Co-NW-R further improves this number by increasing metal dispersion and the intrinsic activity determined by the turnover frequency of these oxygen species for soot oxidation compared with the catalyst without pre-reduction of Co-NW (Ag/Co-NW). In addition to high activity, Ag/Co-NW-R exhibits high catalytic stability and water resistance. The strategy used in this work might be applicable in related catalytic systems. Metal–support interaction (dpeaa)DE-He213 Monolithic catalysts (dpeaa)DE-He213 Ag (dpeaa)DE-He213 Co (dpeaa)DE-He213 O (dpeaa)DE-He213 nanowires (dpeaa)DE-He213 Soot oxidation (dpeaa)DE-He213 Yang, Yuexi aut Xu, Dawei aut Tian, Ye aut Song, Song aut Cao, Chunmei aut Li, Xingang aut Enthalten in Transactions of Tianjin University Tianjin : Univ., 1995 28(2022), 3 vom: Juni, Seite 174-185 (DE-627)592072681 (DE-600)2479763-7 1995-8196 nnns volume:28 year:2022 number:3 month:06 pages:174-185 https://dx.doi.org/10.1007/s12209-022-00325-y kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 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_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 28 2022 3 06 174-185 |
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10.1007/s12209-022-00325-y doi (DE-627)SPR050886827 (SPR)s12209-022-00325-y-e DE-627 ger DE-627 rakwb eng Yi, Xingwang verfasserin aut Metal–Support Interactions on Ag/$ Co_{3} %$ O_{4} $ Nanowire Monolithic Catalysts Promoting Catalytic Soot Combustion 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022 Abstract Tuning metal–support interactions (MSIs) is an important strategy in heterogeneous catalysis to realize the desirable metal dispersion and redox ability of metal catalysts. Herein, we use pre-reduced $ Co_{3} %$ O_{4} $ nanowires (Co-NWs) in situ grown on monolithic Ni foam substrates to support Ag catalysts (Ag/Co-NW-R) for soot combustion. The macroporous structure of Ni foam with crossed $ Co_{3} %$ O_{4} $ nanowires remarkably increases the soot–catalyst contact efficiency. Our characterization results demonstrate that Ag species exist as $ Ag^{0} $ because of the equation $ Ag^{+} $ + $ Co^{2+} $ = $ Ag^{0} $ + $ Co^{3+} $, and the pre-reduction treatment enhances interactions between Ag and $ Co_{3} %$ O_{4} $. The number of active oxygen species on the Ag-loaded catalysts is approximately twice that on the supports, demonstrating the significant role of Ag sites in generating active oxygen species. Additionally, the strengthened MSI on Ag/Co-NW-R further improves this number by increasing metal dispersion and the intrinsic activity determined by the turnover frequency of these oxygen species for soot oxidation compared with the catalyst without pre-reduction of Co-NW (Ag/Co-NW). In addition to high activity, Ag/Co-NW-R exhibits high catalytic stability and water resistance. The strategy used in this work might be applicable in related catalytic systems. Metal–support interaction (dpeaa)DE-He213 Monolithic catalysts (dpeaa)DE-He213 Ag (dpeaa)DE-He213 Co (dpeaa)DE-He213 O (dpeaa)DE-He213 nanowires (dpeaa)DE-He213 Soot oxidation (dpeaa)DE-He213 Yang, Yuexi aut Xu, Dawei aut Tian, Ye aut Song, Song aut Cao, Chunmei aut Li, Xingang aut Enthalten in Transactions of Tianjin University Tianjin : Univ., 1995 28(2022), 3 vom: Juni, Seite 174-185 (DE-627)592072681 (DE-600)2479763-7 1995-8196 nnns volume:28 year:2022 number:3 month:06 pages:174-185 https://dx.doi.org/10.1007/s12209-022-00325-y kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 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_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 28 2022 3 06 174-185 |
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10.1007/s12209-022-00325-y doi (DE-627)SPR050886827 (SPR)s12209-022-00325-y-e DE-627 ger DE-627 rakwb eng Yi, Xingwang verfasserin aut Metal–Support Interactions on Ag/$ Co_{3} %$ O_{4} $ Nanowire Monolithic Catalysts Promoting Catalytic Soot Combustion 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022 Abstract Tuning metal–support interactions (MSIs) is an important strategy in heterogeneous catalysis to realize the desirable metal dispersion and redox ability of metal catalysts. Herein, we use pre-reduced $ Co_{3} %$ O_{4} $ nanowires (Co-NWs) in situ grown on monolithic Ni foam substrates to support Ag catalysts (Ag/Co-NW-R) for soot combustion. The macroporous structure of Ni foam with crossed $ Co_{3} %$ O_{4} $ nanowires remarkably increases the soot–catalyst contact efficiency. Our characterization results demonstrate that Ag species exist as $ Ag^{0} $ because of the equation $ Ag^{+} $ + $ Co^{2+} $ = $ Ag^{0} $ + $ Co^{3+} $, and the pre-reduction treatment enhances interactions between Ag and $ Co_{3} %$ O_{4} $. The number of active oxygen species on the Ag-loaded catalysts is approximately twice that on the supports, demonstrating the significant role of Ag sites in generating active oxygen species. Additionally, the strengthened MSI on Ag/Co-NW-R further improves this number by increasing metal dispersion and the intrinsic activity determined by the turnover frequency of these oxygen species for soot oxidation compared with the catalyst without pre-reduction of Co-NW (Ag/Co-NW). In addition to high activity, Ag/Co-NW-R exhibits high catalytic stability and water resistance. The strategy used in this work might be applicable in related catalytic systems. Metal–support interaction (dpeaa)DE-He213 Monolithic catalysts (dpeaa)DE-He213 Ag (dpeaa)DE-He213 Co (dpeaa)DE-He213 O (dpeaa)DE-He213 nanowires (dpeaa)DE-He213 Soot oxidation (dpeaa)DE-He213 Yang, Yuexi aut Xu, Dawei aut Tian, Ye aut Song, Song aut Cao, Chunmei aut Li, Xingang aut Enthalten in Transactions of Tianjin University Tianjin : Univ., 1995 28(2022), 3 vom: Juni, Seite 174-185 (DE-627)592072681 (DE-600)2479763-7 1995-8196 nnns volume:28 year:2022 number:3 month:06 pages:174-185 https://dx.doi.org/10.1007/s12209-022-00325-y kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 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_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 28 2022 3 06 174-185 |
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10.1007/s12209-022-00325-y doi (DE-627)SPR050886827 (SPR)s12209-022-00325-y-e DE-627 ger DE-627 rakwb eng Yi, Xingwang verfasserin aut Metal–Support Interactions on Ag/$ Co_{3} %$ O_{4} $ Nanowire Monolithic Catalysts Promoting Catalytic Soot Combustion 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022 Abstract Tuning metal–support interactions (MSIs) is an important strategy in heterogeneous catalysis to realize the desirable metal dispersion and redox ability of metal catalysts. Herein, we use pre-reduced $ Co_{3} %$ O_{4} $ nanowires (Co-NWs) in situ grown on monolithic Ni foam substrates to support Ag catalysts (Ag/Co-NW-R) for soot combustion. The macroporous structure of Ni foam with crossed $ Co_{3} %$ O_{4} $ nanowires remarkably increases the soot–catalyst contact efficiency. Our characterization results demonstrate that Ag species exist as $ Ag^{0} $ because of the equation $ Ag^{+} $ + $ Co^{2+} $ = $ Ag^{0} $ + $ Co^{3+} $, and the pre-reduction treatment enhances interactions between Ag and $ Co_{3} %$ O_{4} $. The number of active oxygen species on the Ag-loaded catalysts is approximately twice that on the supports, demonstrating the significant role of Ag sites in generating active oxygen species. Additionally, the strengthened MSI on Ag/Co-NW-R further improves this number by increasing metal dispersion and the intrinsic activity determined by the turnover frequency of these oxygen species for soot oxidation compared with the catalyst without pre-reduction of Co-NW (Ag/Co-NW). In addition to high activity, Ag/Co-NW-R exhibits high catalytic stability and water resistance. The strategy used in this work might be applicable in related catalytic systems. Metal–support interaction (dpeaa)DE-He213 Monolithic catalysts (dpeaa)DE-He213 Ag (dpeaa)DE-He213 Co (dpeaa)DE-He213 O (dpeaa)DE-He213 nanowires (dpeaa)DE-He213 Soot oxidation (dpeaa)DE-He213 Yang, Yuexi aut Xu, Dawei aut Tian, Ye aut Song, Song aut Cao, Chunmei aut Li, Xingang aut Enthalten in Transactions of Tianjin University Tianjin : Univ., 1995 28(2022), 3 vom: Juni, Seite 174-185 (DE-627)592072681 (DE-600)2479763-7 1995-8196 nnns volume:28 year:2022 number:3 month:06 pages:174-185 https://dx.doi.org/10.1007/s12209-022-00325-y kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 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_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 28 2022 3 06 174-185 |
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English |
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Enthalten in Transactions of Tianjin University 28(2022), 3 vom: Juni, Seite 174-185 volume:28 year:2022 number:3 month:06 pages:174-185 |
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Enthalten in Transactions of Tianjin University 28(2022), 3 vom: Juni, Seite 174-185 volume:28 year:2022 number:3 month:06 pages:174-185 |
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Metal–support interaction Monolithic catalysts Ag Co O nanowires Soot oxidation |
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Yi, Xingwang @@aut@@ Yang, Yuexi @@aut@@ Xu, Dawei @@aut@@ Tian, Ye @@aut@@ Song, Song @@aut@@ Cao, Chunmei @@aut@@ Li, Xingang @@aut@@ |
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2022-06-01T00:00:00Z |
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Herein, we use pre-reduced $ Co_{3} %$ O_{4} $ nanowires (Co-NWs) in situ grown on monolithic Ni foam substrates to support Ag catalysts (Ag/Co-NW-R) for soot combustion. The macroporous structure of Ni foam with crossed $ Co_{3} %$ O_{4} $ nanowires remarkably increases the soot–catalyst contact efficiency. Our characterization results demonstrate that Ag species exist as $ Ag^{0} $ because of the equation $ Ag^{+} $ + $ Co^{2+} $ = $ Ag^{0} $ + $ Co^{3+} $, and the pre-reduction treatment enhances interactions between Ag and $ Co_{3} %$ O_{4} $. The number of active oxygen species on the Ag-loaded catalysts is approximately twice that on the supports, demonstrating the significant role of Ag sites in generating active oxygen species. Additionally, the strengthened MSI on Ag/Co-NW-R further improves this number by increasing metal dispersion and the intrinsic activity determined by the turnover frequency of these oxygen species for soot oxidation compared with the catalyst without pre-reduction of Co-NW (Ag/Co-NW). In addition to high activity, Ag/Co-NW-R exhibits high catalytic stability and water resistance. 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| author |
Yi, Xingwang |
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Yi, Xingwang misc Metal–support interaction misc Monolithic catalysts misc Ag misc Co misc O misc nanowires misc Soot oxidation Metal–Support Interactions on Ag/$ Co_{3} %$ O_{4} $ Nanowire Monolithic Catalysts Promoting Catalytic Soot Combustion |
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1995-8196 |
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Metal–Support Interactions on Ag/$ Co_{3} %$ O_{4} $ Nanowire Monolithic Catalysts Promoting Catalytic Soot Combustion Metal–support interaction (dpeaa)DE-He213 Monolithic catalysts (dpeaa)DE-He213 Ag (dpeaa)DE-He213 Co (dpeaa)DE-He213 O (dpeaa)DE-He213 nanowires (dpeaa)DE-He213 Soot oxidation (dpeaa)DE-He213 |
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misc Metal–support interaction misc Monolithic catalysts misc Ag misc Co misc O misc nanowires misc Soot oxidation |
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misc Metal–support interaction misc Monolithic catalysts misc Ag misc Co misc O misc nanowires misc Soot oxidation |
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Metal–Support Interactions on Ag/$ Co_{3} %$ O_{4} $ Nanowire Monolithic Catalysts Promoting Catalytic Soot Combustion |
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Metal–Support Interactions on Ag/$ Co_{3} %$ O_{4} $ Nanowire Monolithic Catalysts Promoting Catalytic Soot Combustion |
| author_sort |
Yi, Xingwang |
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Transactions of Tianjin University |
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Transactions of Tianjin University |
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eng |
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2022 |
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174 |
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Yi, Xingwang Yang, Yuexi Xu, Dawei Tian, Ye Song, Song Cao, Chunmei Li, Xingang |
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28 |
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Elektronische Aufsätze |
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Yi, Xingwang |
| doi_str_mv |
10.1007/s12209-022-00325-y |
| title_sort |
metal–support interactions on ag/$ co_{3} %$ o_{4} $ nanowire monolithic catalysts promoting catalytic soot combustion |
| title_auth |
Metal–Support Interactions on Ag/$ Co_{3} %$ O_{4} $ Nanowire Monolithic Catalysts Promoting Catalytic Soot Combustion |
| abstract |
Abstract Tuning metal–support interactions (MSIs) is an important strategy in heterogeneous catalysis to realize the desirable metal dispersion and redox ability of metal catalysts. Herein, we use pre-reduced $ Co_{3} %$ O_{4} $ nanowires (Co-NWs) in situ grown on monolithic Ni foam substrates to support Ag catalysts (Ag/Co-NW-R) for soot combustion. The macroporous structure of Ni foam with crossed $ Co_{3} %$ O_{4} $ nanowires remarkably increases the soot–catalyst contact efficiency. Our characterization results demonstrate that Ag species exist as $ Ag^{0} $ because of the equation $ Ag^{+} $ + $ Co^{2+} $ = $ Ag^{0} $ + $ Co^{3+} $, and the pre-reduction treatment enhances interactions between Ag and $ Co_{3} %$ O_{4} $. The number of active oxygen species on the Ag-loaded catalysts is approximately twice that on the supports, demonstrating the significant role of Ag sites in generating active oxygen species. Additionally, the strengthened MSI on Ag/Co-NW-R further improves this number by increasing metal dispersion and the intrinsic activity determined by the turnover frequency of these oxygen species for soot oxidation compared with the catalyst without pre-reduction of Co-NW (Ag/Co-NW). In addition to high activity, Ag/Co-NW-R exhibits high catalytic stability and water resistance. The strategy used in this work might be applicable in related catalytic systems. © The Author(s) 2022 |
| abstractGer |
Abstract Tuning metal–support interactions (MSIs) is an important strategy in heterogeneous catalysis to realize the desirable metal dispersion and redox ability of metal catalysts. Herein, we use pre-reduced $ Co_{3} %$ O_{4} $ nanowires (Co-NWs) in situ grown on monolithic Ni foam substrates to support Ag catalysts (Ag/Co-NW-R) for soot combustion. The macroporous structure of Ni foam with crossed $ Co_{3} %$ O_{4} $ nanowires remarkably increases the soot–catalyst contact efficiency. Our characterization results demonstrate that Ag species exist as $ Ag^{0} $ because of the equation $ Ag^{+} $ + $ Co^{2+} $ = $ Ag^{0} $ + $ Co^{3+} $, and the pre-reduction treatment enhances interactions between Ag and $ Co_{3} %$ O_{4} $. The number of active oxygen species on the Ag-loaded catalysts is approximately twice that on the supports, demonstrating the significant role of Ag sites in generating active oxygen species. Additionally, the strengthened MSI on Ag/Co-NW-R further improves this number by increasing metal dispersion and the intrinsic activity determined by the turnover frequency of these oxygen species for soot oxidation compared with the catalyst without pre-reduction of Co-NW (Ag/Co-NW). In addition to high activity, Ag/Co-NW-R exhibits high catalytic stability and water resistance. The strategy used in this work might be applicable in related catalytic systems. © The Author(s) 2022 |
| abstract_unstemmed |
Abstract Tuning metal–support interactions (MSIs) is an important strategy in heterogeneous catalysis to realize the desirable metal dispersion and redox ability of metal catalysts. Herein, we use pre-reduced $ Co_{3} %$ O_{4} $ nanowires (Co-NWs) in situ grown on monolithic Ni foam substrates to support Ag catalysts (Ag/Co-NW-R) for soot combustion. The macroporous structure of Ni foam with crossed $ Co_{3} %$ O_{4} $ nanowires remarkably increases the soot–catalyst contact efficiency. Our characterization results demonstrate that Ag species exist as $ Ag^{0} $ because of the equation $ Ag^{+} $ + $ Co^{2+} $ = $ Ag^{0} $ + $ Co^{3+} $, and the pre-reduction treatment enhances interactions between Ag and $ Co_{3} %$ O_{4} $. The number of active oxygen species on the Ag-loaded catalysts is approximately twice that on the supports, demonstrating the significant role of Ag sites in generating active oxygen species. Additionally, the strengthened MSI on Ag/Co-NW-R further improves this number by increasing metal dispersion and the intrinsic activity determined by the turnover frequency of these oxygen species for soot oxidation compared with the catalyst without pre-reduction of Co-NW (Ag/Co-NW). In addition to high activity, Ag/Co-NW-R exhibits high catalytic stability and water resistance. The strategy used in this work might be applicable in related catalytic systems. © The Author(s) 2022 |
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| title_short |
Metal–Support Interactions on Ag/$ Co_{3} %$ O_{4} $ Nanowire Monolithic Catalysts Promoting Catalytic Soot Combustion |
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https://dx.doi.org/10.1007/s12209-022-00325-y |
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Yang, Yuexi Xu, Dawei Tian, Ye Song, Song Cao, Chunmei Li, Xingang |
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| score |
7.401045 |