Control of transition metal-oxygen bond strength boosts the redox ex-solution in a perovskite oxide surface
We demonstrate theoretically and experimentally that engineering of cation-oxygen bond strength in a perovskite structure can control redox ex-solution of B-site metals and thus the formation of metal nanoparticles at the oxide surface upon high-temperature reduction. In particular, we show that lar...
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| Veröffentlicht in: | Energy & environmental science 2020-10, Vol.13 (1), p.344-3411 |
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| container_title | Energy & environmental science |
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| creator | Kim, Kyeounghak Koo, Bonjae Jo, Yong-Ryun Lee, Siwon Kim, Jun Kyu Kim, Bong-Joong Jung, WooChul Han, Jeong Woo |
| description | We demonstrate theoretically and experimentally that engineering of cation-oxygen bond strength in a perovskite structure can control redox ex-solution of B-site metals and thus the formation of metal nanoparticles at the oxide surface upon high-temperature reduction. In particular, we show that large isovalent doping significantly promotes the B-site ex-solution
via
tuning of the cation-oxygen bond strength, leading to high catalytic activity of CO oxidation. This method to promote ex-solution can be readily applied to various heterogeneous catalysts.
Tuning of the cation-oxygen bond strength effectively promotes B-site ex-solution in a perovskite, thereby boosting the catalytic activity of CO oxidation. |
| doi_str_mv | 10.1039/d0ee01308k |
| format | Article |
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via
tuning of the cation-oxygen bond strength, leading to high catalytic activity of CO oxidation. This method to promote ex-solution can be readily applied to various heterogeneous catalysts.
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via
tuning of the cation-oxygen bond strength, leading to high catalytic activity of CO oxidation. This method to promote ex-solution can be readily applied to various heterogeneous catalysts.
Tuning of the cation-oxygen bond strength effectively promotes B-site ex-solution in a perovskite, thereby boosting the catalytic activity of CO oxidation.</description><subject>Bonding strength</subject><subject>Catalysts</subject><subject>Catalytic activity</subject><subject>Cations</subject><subject>High temperature</subject><subject>Metals</subject><subject>Nanoparticles</subject><subject>Oxidation</subject><subject>Oxygen</subject><subject>Perovskite structure</subject><subject>Perovskites</subject><subject>Transition metals</subject><issn>1754-5692</issn><issn>1754-5706</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kEtPwzAQhC0EEqVw4Y5kxA0pYDtOHB9RKQ9RiQuco8TetGlTO9gOSv89acvjxml3Nd_sSIPQOSU3lMTyVhMAQmOSrQ7QiIqER4kg6eHPnkp2jE68XxKSMiLkCK0m1gRnG2wrHFxhfB1qa_AaQtFEtt_MweDSGo19cGDmYTFc1gePwwKwA217DH3kbdPtfLXBBW7B2U-_qgNg29casO9cVSg4RUdV0Xg4-55j9P4wfZs8RbPXx-fJ3SxSMechAs05i7mWhcpUAaXKtBIlkUkptQACoqQZSaikjGUiLjM26ERCJRJZbY3xGF3t_7bOfnTgQ760nTNDZM54QoRgKacDdb2nlLPeO6jy1tXrwm1ySvJtmfk9mU53Zb4M8MUedl79cn9lD_rlf3re6ir-AjnRffk</recordid><startdate>20201014</startdate><enddate>20201014</enddate><creator>Kim, Kyeounghak</creator><creator>Koo, Bonjae</creator><creator>Jo, Yong-Ryun</creator><creator>Lee, Siwon</creator><creator>Kim, Jun Kyu</creator><creator>Kim, Bong-Joong</creator><creator>Jung, WooChul</creator><creator>Han, Jeong Woo</creator><general>Royal Society of Chemistry</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7ST</scope><scope>7TB</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>L7M</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0003-1445-8795</orcidid><orcidid>https://orcid.org/0000-0001-5676-5844</orcidid><orcidid>https://orcid.org/0000-0002-5335-4342</orcidid><orcidid>https://orcid.org/0000-0001-5266-3795</orcidid><orcidid>https://orcid.org/0000-0003-1297-6038</orcidid></search><sort><creationdate>20201014</creationdate><title>Control of transition metal-oxygen bond strength boosts the redox ex-solution in a perovskite oxide surface</title><author>Kim, Kyeounghak ; Koo, Bonjae ; Jo, Yong-Ryun ; Lee, Siwon ; Kim, Jun Kyu ; Kim, Bong-Joong ; Jung, WooChul ; Han, Jeong Woo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c344t-ed44234d9ac8caebc8dc7b095b9d7e0e7b180519122873b828dc09ef759f42343</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Bonding strength</topic><topic>Catalysts</topic><topic>Catalytic activity</topic><topic>Cations</topic><topic>High temperature</topic><topic>Metals</topic><topic>Nanoparticles</topic><topic>Oxidation</topic><topic>Oxygen</topic><topic>Perovskite structure</topic><topic>Perovskites</topic><topic>Transition metals</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kim, Kyeounghak</creatorcontrib><creatorcontrib>Koo, Bonjae</creatorcontrib><creatorcontrib>Jo, Yong-Ryun</creatorcontrib><creatorcontrib>Lee, Siwon</creatorcontrib><creatorcontrib>Kim, Jun Kyu</creatorcontrib><creatorcontrib>Kim, Bong-Joong</creatorcontrib><creatorcontrib>Jung, WooChul</creatorcontrib><creatorcontrib>Han, Jeong Woo</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Environment Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>Energy & environmental science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kim, Kyeounghak</au><au>Koo, Bonjae</au><au>Jo, Yong-Ryun</au><au>Lee, Siwon</au><au>Kim, Jun Kyu</au><au>Kim, Bong-Joong</au><au>Jung, WooChul</au><au>Han, Jeong Woo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Control of transition metal-oxygen bond strength boosts the redox ex-solution in a perovskite oxide surface</atitle><jtitle>Energy & environmental science</jtitle><date>2020-10-14</date><risdate>2020</risdate><volume>13</volume><issue>1</issue><spage>344</spage><epage>3411</epage><pages>344-3411</pages><issn>1754-5692</issn><eissn>1754-5706</eissn><abstract>We demonstrate theoretically and experimentally that engineering of cation-oxygen bond strength in a perovskite structure can control redox ex-solution of B-site metals and thus the formation of metal nanoparticles at the oxide surface upon high-temperature reduction. In particular, we show that large isovalent doping significantly promotes the B-site ex-solution
via
tuning of the cation-oxygen bond strength, leading to high catalytic activity of CO oxidation. This method to promote ex-solution can be readily applied to various heterogeneous catalysts.
Tuning of the cation-oxygen bond strength effectively promotes B-site ex-solution in a perovskite, thereby boosting the catalytic activity of CO oxidation.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d0ee01308k</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0003-1445-8795</orcidid><orcidid>https://orcid.org/0000-0001-5676-5844</orcidid><orcidid>https://orcid.org/0000-0002-5335-4342</orcidid><orcidid>https://orcid.org/0000-0001-5266-3795</orcidid><orcidid>https://orcid.org/0000-0003-1297-6038</orcidid></addata></record> |
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| identifier | ISSN: 1754-5692 |
| ispartof | Energy & environmental science, 2020-10, Vol.13 (1), p.344-3411 |
| issn | 1754-5692 1754-5706 |
| language | eng |
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| source | Royal Society of Chemistry E-Journals |
| subjects | Bonding strength Catalysts Catalytic activity Cations High temperature Metals Nanoparticles Oxidation Oxygen Perovskite structure Perovskites Transition metals |
| title | Control of transition metal-oxygen bond strength boosts the redox ex-solution in a perovskite oxide surface |
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