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兰州大学机构库  > 物理科学与技术学院  > 期刊论文
题名: Interface/defect-tuneable macro and micro photoluminescence behaviours of trivalent europium ions in electrospun ZrO2/ZnO porous nanobelts
作者: Mao, YZ; Bai, JL; Zhang, MX; Zhao, H; Sun, GZ; Pan, XJ(潘孝军); Zhang, ZX(张振兴); Zhou, JY(周金元); Xie, EQ(谢二庆)
收录类别: SCIE ; PUBMED
出版日期: 2017-04-07
刊名: PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷号: 19, 期号:13, 页码:9223-9231
出版者: ROYAL SOC CHEMISTRY
出版地: CAMBRIDGE
英文摘要: It was demonstrated that suitable interfaces between two materials can enhance the separation of photogenerated carriers. In this study, ZrO2/ZnO interfaces with type I structure were designed and prepared by the electrospinning technique. The obtained ZrO2/ZnO:Eu3+ (ZZOE) composites are highly porous in the form of nanobelts with width of 600-700 nm, comprising ZnO and ZrO2 nanocrystals, and the Eu doping can hinder the t-m phase transition of ZrO2. By tuning the annealing temperature, the inner stress and defects can be well controlled to improve the photoluminescence (PL) of the ZZOE porous nanobelts. Macro- and micro- PL spectra indicated that the body oxygen vacancies benefit the PL from Eu3+ ions, whereas the surficial ones do not. The optimal parameters for the preparation of ZZOE porous nanobelts were also investigated. Finally, a charge transfer mechanism was proposed to illuminate the PLs from the ZZOE porous nanobelts.
作者部门: [Mao, Yanzhe ; Bai, Jinglong ; Zhang, Mingxiang ; Zhao, Hao ; Pan, Xiaojun ; Zhang, Zhenxing ; Zhou, Jinyuan ; Xie, Erqing] Lanzhou Univ, Sch Phys Sci & Technol, 222 South Tianshui Rd, Lanzhou 730000, Peoples R China ; [Sun, Gengzhi] Nanjing Tech Univ, Jiangsu Natl Synerget Innovat Ctr Adv Mat, Key Lab Flexible Elect, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China ; [Sun, Gengzhi] Nanjing Tech Univ, Jiangsu Natl Synerget Innovat Ctr Adv Mat, Inst Adv Mat, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China
通讯作者: Zhou, JY ; Xie, EQ (reprint author), Lanzhou Univ, Sch Phys Sci & Technol, 222 South Tianshui Rd, Lanzhou 730000, Peoples R China.
学科分类: Chemistry; Physics
文章类型: Article
所属项目编号: National Natural Science Foundation of China [11474135, 51572118, 11674140] ; Jiangsu Specially-Appointed Professor program [54935012]
所属项目名称: 国家自然科学基金项目
项目资助者: NSFC
语种: 英语
DOI: 10.1039/c7cp01101f
ISSN号: 1463-9076
WOS记录号: WOS:000399004700067
PM记录号: 28319219
IR记录号: WOS:000399004700067
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/185697
Appears in Collections:物理科学与技术学院_期刊论文

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Recommended Citation:
Mao, YZ,Bai, Jinglong,Zhang, Mingxiang,et al. Interface/defect-tuneable macro and micro photoluminescence behaviours of trivalent europium ions in electrospun ZrO2/ZnO porous nanobelts[J]. Physical Chemistry Chemical Physics,2017,19(13):9223 - 9231.
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