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In Situ Characterization on Thermal Transitions of VO2(B): Toward VO2(R) and V2O3
Zhang Shaohong; Fu Juan; Su Qiucheng; Wu Liangpeng; Li Xinjun
2016-06-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
Volume45Issue:6Pages:1374-1380
AbstractVO2(B) was synthesized via a facile hydrothermal process using V2O5 and oxalic acid. The crystal structure and the phase transition of VO2(B) during elevated temperatures in N-2 were investigated by in situ X-ray diffraction (XRD). Meanwhile, the morphologies and the crystal structures of the samples obtained by annealing at different temperatures were characterized by Field emission scanning electron microscopy (FE-SEM), XRD and Raman spectroscopy, respectively. The results show that the as-synthesized nano platelet-like monoclinic VO2(B) irreversibly transforms into submicron and micron subsphaeroidal tetragonal VO2(R) between 430 and 700 degrees C. The as-obtained VO2(R) starts to decompose and form Magneli phases VnO2n-1 (3 <= n <= 9) series compounds at similar to 1000 degrees C, and totally transfers into a corundum V2O3 sintered block at ca. 1200 degrees C.
SubtypeArticle
KeywordHydrothermal Vanadium Oxides In Situ Xrd Thermal Transformation
WOS HeadingsScience & Technology ; Technology
WOS Subject ExtendedMaterials Science ; Metallurgy & Metallurgical Engineering
WOS KeywordVANADIUM DIOXIDE ; RAMAN-SCATTERING ; PHASE-TRANSITION ; THIN-FILMS ; LITHIUM BATTERIES ; SURFACE OXIDATION ; MOTT TRANSITION ; MECHANISM ; CRYSTAL ; OXIDES
Indexed BySCI
Language英语
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000379195400002
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/11779
Collection中国科学院广州能源研究所
AffiliationChinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Zhang Shaohong,Fu Juan,Su Qiucheng,et al. In Situ Characterization on Thermal Transitions of VO2(B): Toward VO2(R) and V2O3[J]. RARE METAL MATERIALS AND ENGINEERING,2016,45(6):1374-1380.
APA Zhang Shaohong,Fu Juan,Su Qiucheng,Wu Liangpeng,&Li Xinjun.(2016).In Situ Characterization on Thermal Transitions of VO2(B): Toward VO2(R) and V2O3.RARE METAL MATERIALS AND ENGINEERING,45(6),1374-1380.
MLA Zhang Shaohong,et al."In Situ Characterization on Thermal Transitions of VO2(B): Toward VO2(R) and V2O3".RARE METAL MATERIALS AND ENGINEERING 45.6(2016):1374-1380.
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