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CAS OpenIR  > 中科院上海应用物理研究所2011-2017年  > 期刊论文
题名:
Surface-plasmon mediated photoluminescence enhancement of Pt-coated ZnO nanowires by inserting an atomic-layer-deposited Al2O3 spacer layer
作者: Ren, QH; Zhang, Y; Lu, HL; Chen, HY; Zhang, Y; Li, DH; Liu, WJ; Ding, SJ; Jiang, AQ; Zhang, DW
刊名: NANOTECHNOLOGY
出版日期: 2016
卷号: 27, 期号:16, 页码:
关键词: LIGHT-EMITTING-DIODES ; CHARGE-TRANSFER ; SOLAR-CELLS ; THIN-FILMS ; EMISSION ; NANORODS ; SINGLE ; NANOSTRUCTURES ; NANOPARTICLES ; ARRAYS
DOI: 10.1088/0957-4484/27/16/165705
通讯作者: Lu, HL ; Zhang, DW (reprint author), Fudan Univ, Sch Microelect, Inst Adv Nanodevices, State Key Lab ASIC & Syst, Shanghai 200433, Peoples R China. ; Lu, HL (reprint author), Univ Elect Sci & Technol China, State Key Lab Elect Thin Films & Integrated Devic, Chengdu 610054, Peoples R China.
文章类型: 期刊文献
英文摘要: Surface-plasmon mediated photoluminescence emission enhancement has been investigated for ZnO nanowire (NW)/Pt nanoparticle (NP) nanostructures by inserting an Al2O3 spacer layer. The thickness of the Al2O3 spacer layer and of the Pt NPs capped on the ZnO NWs are well controlled by atomic layer deposition. It is found that the photoluminescence property of the ZnO NW/Al2O3/Pt hybrid structure is highly tunable with respect to the thickness of the inserted Al2O3 spacer layer. The highest enhancement (similar to 14 times) of the near band emission of ZnO NWs is obtained with an optimized Al2O3 spacer layer thickness of 10 nm leading to a ultraviolet-visible emission ratio of 271.2 compared to 18.8 for bare ZnO NWs. The enhancement of emission is influenced by a Forster-type non-radiative energy transfer process of the exciton energy from ZnO NWs to Pt NPs as well as the coupling effect between excitons of ZnO NWs and surface plasmons of Pt NPs. The highly versatile and tunable photoluminescence properties of Pt-coated ZnO NWs achieved by introducing an Al2O3 spacer layer demonstrate their potential application in highly efficient optoelectronic devices.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000371774100020
ISSN号: 0957-4484
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/25854
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Ren, QH,Zhang, Y,Lu, HL,et al. Surface-plasmon mediated photoluminescence enhancement of Pt-coated ZnO nanowires by inserting an atomic-layer-deposited Al2O3 spacer layer[J]. NANOTECHNOLOGY,2016-01-01,27(16):—.
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