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Effect of the cooling condition on the morphology and photoluminescence properties of ZnO nanostructures
Tian, Huijuan1,2; Xu, Junbo1; Tian, Yajun3; Deng, Pingye4; Wen, Hao1
2013
Source PublicationCRYSTENGCOMM
Volume15Issue:26Pages:5345-5350
AbstractThe cooling condition has a significant effect on the morphology and optical properties of ZnO nanostructures. In this study, four types of nail-shaped nanostructures were prepared by thermal evaporation of Zn powders under different cooling conditions, including natural cooling, vacuum cooling, rapid cooling and vacuum & rapid cooling. XRD results suggest that our samples are highly crystallized wurtzite ZnO with preferable c-orientation. XPS indicated vacuum and/or rapid cooling could reduce the oxygen vacancies in the surface of ZnO samples. PL spectra showed that the intensity ratio of UV to green emission was increased under vacuum and/or rapid cooling conditions, which was in agreement with the XPS results. We can control the tip morphology of ZnO nanostructures and oxygen vacancies on the surface by adjusting cooling conditions for different applications.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS KeywordTHERMAL-EVAPORATION PROCESS ; OPTICAL-PROPERTIES ; FLOW-RATE ; GROWTH ; NANOWIRES ; FILMS ; EVOLUTION ; NANOCRYSTALS ; ORIENTATION ; NANONAILS
WOS Research AreaChemistry ; Crystallography
WOS SubjectChemistry, Multidisciplinary ; Crystallography
WOS IDWOS:000320223900019
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13513
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Natl Inst Clean and Low Carbon Energy, Beijing 102209, Peoples R China
4.Beijing Ctr Phys & Chem Anal, Beijing 100089, Peoples R China
Recommended Citation
GB/T 7714
Tian, Huijuan,Xu, Junbo,Tian, Yajun,et al. Effect of the cooling condition on the morphology and photoluminescence properties of ZnO nanostructures[J]. CRYSTENGCOMM,2013,15(26):5345-5350.
APA Tian, Huijuan,Xu, Junbo,Tian, Yajun,Deng, Pingye,&Wen, Hao.(2013).Effect of the cooling condition on the morphology and photoluminescence properties of ZnO nanostructures.CRYSTENGCOMM,15(26),5345-5350.
MLA Tian, Huijuan,et al."Effect of the cooling condition on the morphology and photoluminescence properties of ZnO nanostructures".CRYSTENGCOMM 15.26(2013):5345-5350.
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