R. Silambarasan, D. Venkatesh, K. Umavathy, S. Pavalamalar, Uttej Siva Sai Sundar Perisetti, K. Anbalagan
{"title":"设计CeO2/WO3异质结增强载流子降解铜（II）配合物及超级电容器研究","authors":"R. Silambarasan, D. Venkatesh, K. Umavathy, S. Pavalamalar, Uttej Siva Sai Sundar Perisetti, K. Anbalagan","doi":"10.1007/s11664-025-12347-y","DOIUrl":null,"url":null,"abstract":"<div><p>CeO<sub>2</sub>/WO<sub>3</sub> nanocomposites, with CeO<sub>2</sub> and WO<sub>3</sub> nanospheres, were synthesized and fully characterized by a modified hydrothermal method. The photocatalytic and adsorption capacity were tested using <i>[Cu(2-Pic)</i><sub><i>2</i></sub><i>(2-EtIm)]Cl</i><sub><i>2</i></sub> as the model pollutant in water and a mixture of water-acetonitrile (80:20 v/v). CeO<sub>2</sub>/WO<sub>3</sub> showed better photocatalytic performance due to improved charge separation and interfacial transfer, achieving a rate constant of 0.0568 compared to 0.0365 and 0.0437 s<sup>−1</sup> for CeO<sub>2</sub> and WO<sub>3</sub>, respectively. The solvent molecules acted as scavengers in the photocatalytic process of Cu(II). Electrochemical studies using cyclic voltammetry, galvanostatic charge–discharge tests, and impedance spectroscopy revealed high specific capacitance and excellent cyclic stability for the CeO<sub>2</sub>/WO<sub>3</sub> composites, highlighting their dual potential in environmental and energy applications.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":626,"journal":{"name":"Journal of Electronic Materials","volume":"54 11","pages":"9974 - 9992"},"PeriodicalIF":2.5000,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Enhancing Charge Carriers by Designing CeO2/WO3 Heterojunction for Degradation of Copper(II) Complex and Supercapacitor Studies\",\"authors\":\"R. Silambarasan, D. Venkatesh, K. Umavathy, S. Pavalamalar, Uttej Siva Sai Sundar Perisetti, K. Anbalagan\",\"doi\":\"10.1007/s11664-025-12347-y\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>CeO<sub>2</sub>/WO<sub>3</sub> nanocomposites, with CeO<sub>2</sub> and WO<sub>3</sub> nanospheres, were synthesized and fully characterized by a modified hydrothermal method. The photocatalytic and adsorption capacity were tested using <i>[Cu(2-Pic)</i><sub><i>2</i></sub><i>(2-EtIm)]Cl</i><sub><i>2</i></sub> as the model pollutant in water and a mixture of water-acetonitrile (80:20 v/v). CeO<sub>2</sub>/WO<sub>3</sub> showed better photocatalytic performance due to improved charge separation and interfacial transfer, achieving a rate constant of 0.0568 compared to 0.0365 and 0.0437 s<sup>−1</sup> for CeO<sub>2</sub> and WO<sub>3</sub>, respectively. The solvent molecules acted as scavengers in the photocatalytic process of Cu(II). Electrochemical studies using cyclic voltammetry, galvanostatic charge–discharge tests, and impedance spectroscopy revealed high specific capacitance and excellent cyclic stability for the CeO<sub>2</sub>/WO<sub>3</sub> composites, highlighting their dual potential in environmental and energy applications.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>\",\"PeriodicalId\":626,\"journal\":{\"name\":\"Journal of Electronic Materials\",\"volume\":\"54 11\",\"pages\":\"9974 - 9992\"},\"PeriodicalIF\":2.5000,\"publicationDate\":\"2025-09-09\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Electronic Materials\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s11664-025-12347-y\",\"RegionNum\":4,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"ENGINEERING, ELECTRICAL & ELECTRONIC\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Electronic Materials","FirstCategoryId":"5","ListUrlMain":"https://link.springer.com/article/10.1007/s11664-025-12347-y","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
Enhancing Charge Carriers by Designing CeO2/WO3 Heterojunction for Degradation of Copper(II) Complex and Supercapacitor Studies
CeO2/WO3 nanocomposites, with CeO2 and WO3 nanospheres, were synthesized and fully characterized by a modified hydrothermal method. The photocatalytic and adsorption capacity were tested using [Cu(2-Pic)2(2-EtIm)]Cl2 as the model pollutant in water and a mixture of water-acetonitrile (80:20 v/v). CeO2/WO3 showed better photocatalytic performance due to improved charge separation and interfacial transfer, achieving a rate constant of 0.0568 compared to 0.0365 and 0.0437 s−1 for CeO2 and WO3, respectively. The solvent molecules acted as scavengers in the photocatalytic process of Cu(II). Electrochemical studies using cyclic voltammetry, galvanostatic charge–discharge tests, and impedance spectroscopy revealed high specific capacitance and excellent cyclic stability for the CeO2/WO3 composites, highlighting their dual potential in environmental and energy applications.
期刊介绍：
The Journal of Electronic Materials (JEM) reports monthly on the science and technology of electronic materials, while examining new applications for semiconductors, magnetic alloys, dielectrics, nanoscale materials, and photonic materials. The journal welcomes articles on methods for preparing and evaluating the chemical, physical, electronic, and optical properties of these materials. Specific areas of interest are materials for state-of-the-art transistors, nanotechnology, electronic packaging, detectors, emitters, metallization, superconductivity, and energy applications.
Review papers on current topics enable individuals in the field of electronics to keep abreast of activities in areas peripheral to their own. JEM also selects papers from conferences such as the Electronic Materials Conference, the U.S. Workshop on the Physics and Chemistry of II-VI Materials, and the International Conference on Thermoelectrics. It benefits both specialists and non-specialists in the electronic materials field.
A journal of The Minerals, Metals & Materials Society.
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