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题名: Fabrication gallium/graphene core-shell nanoparticles by pulsed laser deposition and their applications in surface enhanced Raman scattering
作者: Ren, Xianpei1;  Zi, Wei1;  Wei, Qingbo1;  Liu, Shengzhong1, 2
关键词: Graphene ;  Raman ;  Nanoparticles ;  Pulsed laser deposition
刊名: MATERIALS LETTERS
发表日期: 2015-03-15
DOI: 10.1016/j.matlet.2014.12.089
卷: 143, 页:194-196
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Materials Science, Multidisciplinary ;  Physics, Applied
研究领域[WOS]: Materials Science ;  Physics
英文摘要: We report our successful fabrication of a new gallium@graphene core-shell (Ga@G) nanostructure consisting of graphene grown on the surface of Ga nanoparticles (NPs) and its application as a high-performance substrate for surface enhanced Raman scattering (SERS). To our knowledge, this is the very first report to fabricate Ga@G NPs, particularly using a pulsed laser deposition (PLD) technique. The Raman results demonstrate that higher substrate temperature is beneficial for the formation of better quality graphene. Transmission electron microscopy (TEM) images reveal that Ga NP cores are completely encapsulated by the multi-layer graphene shell. More importantly, Ga@G NPs show significantly higher Raman signal for the absorbed Rhodamine 6G (R6G) molecules as compared to using the bare Ga NPs, validating the Ga@G NPs as a new type of SERS substrate. (C) 2014 Elsevier B.V. All rights reserved.
关键词[WOS]: GRAPHENE ;  SPECTROSCOPY ;  MOLECULES
语种: 英语
WOS记录号: WOS:000350520200052
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146071
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Shaanxi Normal Univ, Sch Mat Sci & Engn, Key Lab Appl Surface & Colloid Chem, Natl Minist Educ,Inst Adv Energy Mat, Xian 710119, Peoples R China
2.Chinese Acad Sci, Dalian Natl Lab Clean Energy, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Ren, Xianpei,Zi, Wei,Wei, Qingbo,et al. Fabrication gallium/graphene core-shell nanoparticles by pulsed laser deposition and their applications in surface enhanced Raman scattering[J]. MATERIALS LETTERS,2015,143:194-196.
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