Strong damping of the localized surface plasmon resonance of Ag nanoparticles by Ag2O | |
Wu, Qingmen1; Si, Mengting1; Zhang, Bing1; Zhang, Kang1; Li, Huanhuan1; Mi, Longfei2; Jiang, Yang2; Rong, Yan3; Chen, Junling3; Fang, Yingcui1 | |
刊名 | NANOTECHNOLOGY
![]() |
2018-07-20 | |
卷号 | 29期号:29页码:10 |
关键词 | oxidation of silver nanoparticles decomposition of silver oxide annealing strong damping of localized surface plasmon resonance oxygen plasma irradiation |
ISSN号 | 0957-4484 |
DOI | 10.1088/1361-6528/aac031 |
英文摘要 | By studying oxidation of AgNPs (Ag nanoparticles) and decomposition of the produced silver oxide, we demonstrate that the localized surface plasmon resonance (LSPR) of AgNPs was damped by Ag2O produced during oxygen plasma irradiation (OPI). The AgNPs were fabricated by evaporation of high pure silver under high vacuum. The oxidation was conducted in oxygen plasma generated by radio frequency glow discharging in vacuum, and the decomposition was performed by annealing the silver oxide in nitrogen ambient at temperatures ranging from room temperature to 450 degrees C. Samples were characterized by color, absorption spectra, surface enhanced Raman scattering, x-ray photoelectron spectroscopy, and field emission scanning electron microscopy. The bandgap of the silver oxide was calculated. We propose that AgNPs are only partially oxidized into silver oxide during OPI, and the LSPR of the AgNPs left without being oxidation is strongly damped by the produced silver oxide. This LSPR damping is responsible for the transparency of the sample after OPI for 2 s. |
资助项目 | National Natural Science Foundation of China[11674081] ; Natural Science Foundation of Anhui Province of China[1708085MA11] |
WOS关键词 | OXIDE THIN-FILMS ; OPTICAL-PROPERTIES ; PHOTOCATALYTIC ACTIVITY ; THERMAL-DECOMPOSITION ; CHARGE-TRANSFER ; SILVER SURFACE ; OXYGEN ; OXIDATION ; HETEROSTRUCTURES ; SPECTROSCOPY |
WOS研究方向 | Science & Technology - Other Topics ; Materials Science ; Physics |
语种 | 英语 |
出版者 | IOP PUBLISHING LTD |
WOS记录号 | WOS:000432431800002 |
内容类型 | 期刊论文 |
源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/36794] ![]() |
专题 | 合肥物质科学研究院_中科院等离子体物理研究所 |
通讯作者 | Fang, Yingcui |
作者单位 | 1.Hefei Univ Technol, Dept Vacuum Sci & Technol, Hefei 230009, Anhui, Peoples R China 2.Hefei Univ Technol, Dept Mat Sci & Engn, Hefei 230009, Anhui, Peoples R China 3.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China |
推荐引用方式 GB/T 7714 | Wu, Qingmen,Si, Mengting,Zhang, Bing,et al. Strong damping of the localized surface plasmon resonance of Ag nanoparticles by Ag2O[J]. NANOTECHNOLOGY,2018,29(29):10. |
APA | Wu, Qingmen.,Si, Mengting.,Zhang, Bing.,Zhang, Kang.,Li, Huanhuan.,...&Fang, Yingcui.(2018).Strong damping of the localized surface plasmon resonance of Ag nanoparticles by Ag2O.NANOTECHNOLOGY,29(29),10. |
MLA | Wu, Qingmen,et al."Strong damping of the localized surface plasmon resonance of Ag nanoparticles by Ag2O".NANOTECHNOLOGY 29.29(2018):10. |
个性服务 |
查看访问统计 |
相关权益政策 |
暂无数据 |
收藏/分享 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论