{"title":"CeO2表面工程与PtBi纳米板间p-d轨道杂化的协同效应在甲醇电氧化中的应用","authors":"Yan’ao Zhang \n (, ), Shuai Wang \n (, ), Feiyan Si \n (, ), Ruixin Xue \n (, ), Yipin Lv \n (, ), Guozhu Chen \n (, ), Daowei Gao \n (, )","doi":"10.1007/s40843-023-2866-y","DOIUrl":null,"url":null,"abstract":"<div><p>Modulating the electronic structure of Pt is an effective strategy for enhancing the activity and durability of Pt-based electrocatalysts. Herein, we reported a type of intermetallic CeO<sub>2</sub>/PtBi nanoplates (NPs), which possessed enhanced activity and durability for methanol electro-oxidation reaction (MOR) through strong p-d hybridization between the Pt and Bi. The surface-deposited CeO<sub>2</sub> can further optimize the electronic structure of Pt, while providing more hydroxyl adsorption sites. Specifically, the CeO<sub>2</sub>/PtBi NPs exhibited excellent mass activity for MOR in both acidic and alkaline environments, which were 1.62 and 7.65 times higher than those of commercial Pt/C, respectively. After 1000 durability tests in acidic and alkaline environments, the activities of CeO<sub>2</sub>/PtBi NPs only decreased by 20.1% and 39.8%, respectively, while the activities of commercial Pt/C decreased by 55.4% and 78.5%, respectively. The excellent activity and durability can be attributed to the modulation of the electronic structure through p-d orbital hybridization between Pt, Bi and the surface-deposited CeO<sub>2</sub>. This study provides new insights into the electronic structure regulation of Pt-based electrocatalysts.\n</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":6,"journal":{"name":"ACS Applied Nano Materials","volume":null,"pages":null},"PeriodicalIF":5.3000,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Synergistic effects of p-d orbital hybridization and CeO2 surface engineering on PtBi nanoplates for methanol electro-oxidation\",\"authors\":\"Yan’ao Zhang \\n (, ), Shuai Wang \\n (, ), Feiyan Si \\n (, ), Ruixin Xue \\n (, ), Yipin Lv \\n (, ), Guozhu Chen \\n (, ), Daowei Gao \\n (, )\",\"doi\":\"10.1007/s40843-023-2866-y\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Modulating the electronic structure of Pt is an effective strategy for enhancing the activity and durability of Pt-based electrocatalysts. Herein, we reported a type of intermetallic CeO<sub>2</sub>/PtBi nanoplates (NPs), which possessed enhanced activity and durability for methanol electro-oxidation reaction (MOR) through strong p-d hybridization between the Pt and Bi. The surface-deposited CeO<sub>2</sub> can further optimize the electronic structure of Pt, while providing more hydroxyl adsorption sites. Specifically, the CeO<sub>2</sub>/PtBi NPs exhibited excellent mass activity for MOR in both acidic and alkaline environments, which were 1.62 and 7.65 times higher than those of commercial Pt/C, respectively. After 1000 durability tests in acidic and alkaline environments, the activities of CeO<sub>2</sub>/PtBi NPs only decreased by 20.1% and 39.8%, respectively, while the activities of commercial Pt/C decreased by 55.4% and 78.5%, respectively. The excellent activity and durability can be attributed to the modulation of the electronic structure through p-d orbital hybridization between Pt, Bi and the surface-deposited CeO<sub>2</sub>. This study provides new insights into the electronic structure regulation of Pt-based electrocatalysts.\\n</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>\",\"PeriodicalId\":6,\"journal\":{\"name\":\"ACS Applied Nano Materials\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":5.3000,\"publicationDate\":\"2024-05-15\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"ACS Applied Nano Materials\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s40843-023-2866-y\",\"RegionNum\":2,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"MATERIALS SCIENCE, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"ACS Applied Nano Materials","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.1007/s40843-023-2866-y","RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
Synergistic effects of p-d orbital hybridization and CeO2 surface engineering on PtBi nanoplates for methanol electro-oxidation
Modulating the electronic structure of Pt is an effective strategy for enhancing the activity and durability of Pt-based electrocatalysts. Herein, we reported a type of intermetallic CeO2/PtBi nanoplates (NPs), which possessed enhanced activity and durability for methanol electro-oxidation reaction (MOR) through strong p-d hybridization between the Pt and Bi. The surface-deposited CeO2 can further optimize the electronic structure of Pt, while providing more hydroxyl adsorption sites. Specifically, the CeO2/PtBi NPs exhibited excellent mass activity for MOR in both acidic and alkaline environments, which were 1.62 and 7.65 times higher than those of commercial Pt/C, respectively. After 1000 durability tests in acidic and alkaline environments, the activities of CeO2/PtBi NPs only decreased by 20.1% and 39.8%, respectively, while the activities of commercial Pt/C decreased by 55.4% and 78.5%, respectively. The excellent activity and durability can be attributed to the modulation of the electronic structure through p-d orbital hybridization between Pt, Bi and the surface-deposited CeO2. This study provides new insights into the electronic structure regulation of Pt-based electrocatalysts.
期刊介绍：
ACS Applied Nano Materials is an interdisciplinary journal publishing original research covering all aspects of engineering, chemistry, physics and biology relevant to applications of nanomaterials. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important applications of nanomaterials.
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