Hydrothermal Synthesis and Photocatalytic Property of Sn-doped beta-Ga2O3 Nanostructure

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dc.contributor.authorRyou, Heejoongko
dc.contributor.authorYoo, Tae Heeko
dc.contributor.authorYoon, Youngbinko
dc.contributor.authorLee, In Gyuko
dc.contributor.authorShin, Myunghunko
dc.contributor.authorCho, Junsangko
dc.contributor.authorCho, Byung Jinko
dc.contributor.authorHwang, Wan Sikko
dc.date.accessioned2020-05-27T02:20:22Z-
dc.date.available2020-05-27T02:20:22Z-
dc.date.created2020-05-25-
dc.date.created2020-05-25-
dc.date.created2020-05-25-
dc.date.issued2020-04-
dc.identifier.citationECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY, v.9, no.4, pp.045009-
dc.identifier.issn2162-8769-
dc.identifier.urihttp://hdl.handle.net/10203/274324-
dc.description.abstractTin (Sn)-doped beta phase gallium oxide (beta-Ga2O3) nanostructures at different Sn concentrations (0 to 7.3 at%) are synthesized using a facile hydrothermal method. The Sn-doped beta-Ga2O3 nanostructures are characterized using scanning electron microscopy, transmission electron microscopy, energy dispersive X-ray spectroscopy, X-ray powder diffraction, X-ray photoelectron spectroscopy, and absorbance spectroscopy. In addition, their photocatalytic activity is evaluated by observing methylene blue degradation under ultraviolet light (254 nm) irradiation. The photocatalytic activity of the Sn-doped (0.7 at%) beta-Ga2O3 nanostructures is significantly enhanced compared to that of intrinsic beta-Ga2O3 nanostructures due to the elevated charge separation. Excessive Sn concentrations (exceeding 2.2 at%) above the solid solubility limit of the Sn in beta-Ga2O3 nanostructures lead to SnO2 and SnO precipitation. The presence of SnO2 and SnO degrades the photocatalytic efficiency in the beta-Ga2O3 nanostructures. The results suggest new opportunities for the synthesis of highly effective beta-Ga2O3-based photocatalysts for applications in environmental remediation, disinfection, and selective organic transformations.-
dc.languageEnglish-
dc.publisherELECTROCHEMICAL SOC INC-
dc.titleHydrothermal Synthesis and Photocatalytic Property of Sn-doped beta-Ga2O3 Nanostructure-
dc.typeArticle-
dc.identifier.wosid000531443500002-
dc.identifier.scopusid2-s2.0-85085113625-
dc.type.rimsART-
dc.citation.volume9-
dc.citation.issue4-
dc.citation.beginningpage045009-
dc.citation.publicationnameECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY-
dc.identifier.doi10.1149/2162-8777/ab8b4b-
dc.contributor.localauthorCho, Byung Jin-
dc.contributor.nonIdAuthorRyou, Heejoong-
dc.contributor.nonIdAuthorYoo, Tae Hee-
dc.contributor.nonIdAuthorYoon, Youngbin-
dc.contributor.nonIdAuthorLee, In Gyu-
dc.contributor.nonIdAuthorShin, Myunghun-
dc.contributor.nonIdAuthorCho, Junsang-
dc.contributor.nonIdAuthorHwang, Wan Sik-
dc.description.isOpenAccessY-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorGa2O3-
dc.subject.keywordAuthorgallium oxide-
dc.subject.keywordAuthorMicroelectronics - Semiconductor Materials-
dc.subject.keywordAuthorMicroelectronics - Semiconductor Processing-
dc.subject.keywordAuthorNanoscale materials-
dc.subject.keywordPlusPHOTOLUMINESCENCE PROPERTIES-
dc.subject.keywordPlusELECTRONIC-STRUCTURE-
dc.subject.keywordPlusOPTICAL-PROPERTIES-
dc.subject.keywordPlusMETHYLENE-BLUE-
dc.subject.keywordPlusDEGRADATION-
dc.subject.keywordPlusDECOMPOSITION-
dc.subject.keywordPlusPHOTOEMISSION-
dc.subject.keywordPlusALPHA-GA2O3-
dc.subject.keywordPlusPOLLUTANTS-
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