Core size matters! High Raman enhancing core tunable Au/Ag bimetallic core-shell nanoparticles

IF 2.2 4区 工程技术 Q2 Chemistry Gold Bulletin Pub Date : 2017-10-27 DOI:10.1007/s13404-017-0220-1
Diptiranjan Paital, Tapasi Sen, Amitava Patra, Krishna Kanta Haldar
{"title":"Core size matters! High Raman enhancing core tunable Au/Ag bimetallic core-shell nanoparticles","authors":"Diptiranjan Paital,&nbsp;Tapasi Sen,&nbsp;Amitava Patra,&nbsp;Krishna Kanta Haldar","doi":"10.1007/s13404-017-0220-1","DOIUrl":null,"url":null,"abstract":"<p>Bimetallic core-shell nanostructures have been attracted tremendous attention due to their ability to form novel materials with unique chemical, optical, and physical properties. Here, we have studied the influence of core size of Au/Ag bimetallic core-shell nanostructures on the Raman enhancement efficiency with the Raman-active probe methylene blue. The surface-enhanced Raman scattering intensity is increased with increase in the core size of Au/Ag bimetallic core-shell nanoparticles. Interestingly, the enhancement factor is found to be 6.58?×?10<sup>7</sup> for the Au<sub>100</sub>/Ag core-shell nanoparticles and allows easy detection of analyte methylene blue. Thus, surface-enhanced Raman scattering properties of the metal nanoparticles are significantly enhanced due to the Au/Ag core-shell structures and the enhancement factor is dependent on the size of the core of the bimetallic nanoparticles.</p>","PeriodicalId":55086,"journal":{"name":"Gold Bulletin","volume":"50 4","pages":"313 - 317"},"PeriodicalIF":2.2000,"publicationDate":"2017-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s13404-017-0220-1","citationCount":"9","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Gold Bulletin","FirstCategoryId":"5","ListUrlMain":"https://link.springer.com/article/10.1007/s13404-017-0220-1","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"Chemistry","Score":null,"Total":0}
引用次数: 9

Abstract

Bimetallic core-shell nanostructures have been attracted tremendous attention due to their ability to form novel materials with unique chemical, optical, and physical properties. Here, we have studied the influence of core size of Au/Ag bimetallic core-shell nanostructures on the Raman enhancement efficiency with the Raman-active probe methylene blue. The surface-enhanced Raman scattering intensity is increased with increase in the core size of Au/Ag bimetallic core-shell nanoparticles. Interestingly, the enhancement factor is found to be 6.58?×?107 for the Au100/Ag core-shell nanoparticles and allows easy detection of analyte methylene blue. Thus, surface-enhanced Raman scattering properties of the metal nanoparticles are significantly enhanced due to the Au/Ag core-shell structures and the enhancement factor is dependent on the size of the core of the bimetallic nanoparticles.

Abstract Image

查看原文
分享 分享
微信好友 朋友圈 QQ好友 复制链接
本刊更多论文
核心尺寸很重要!高拉曼增强核可调金/银双金属核壳纳米粒子
双金属核壳纳米结构由于具有独特的化学、光学和物理性质而引起了人们的广泛关注。本文利用亚甲基蓝喇曼活性探针研究了金/银双金属核壳纳米结构的核尺寸对喇曼增强效率的影响。金/银双金属核壳纳米粒子的表面增强拉曼散射强度随核尺寸的增大而增大。有趣的是,增强因子为6.58 ×?107为Au100/Ag核壳纳米颗粒,并允许易于检测分析物亚甲基蓝。因此,金属纳米粒子的表面增强拉曼散射性能由于Au/Ag核壳结构而显著增强,并且增强因子取决于双金属纳米粒子核的大小。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
求助全文
约1分钟内获得全文 去求助
来源期刊
Gold Bulletin
Gold Bulletin 工程技术-材料科学:综合
CiteScore
3.30
自引率
4.50%
发文量
0
审稿时长
3 months
期刊介绍: Gold Bulletin is the premier international peer reviewed journal on the latest science, technology and applications of gold. It includes papers on the latest research advances, state-of-the-art reviews, conference reports, book reviews and highlights of patents and scientific literature. Gold Bulletin does not publish manuscripts covering the snthesis of Gold nanoparticles in the presence of plant extracts or other nature-derived extracts. Gold Bulletin has been published over 40 years as a multidisciplinary journal read by chemists, physicists, engineers, metallurgists, materials scientists, biotechnologists, surface scientists, and nanotechnologists amongst others, both within industry and academia. Gold Bulletin is published in Association with the World Gold Council.
期刊最新文献
Efficacy of Au versus Au–Pd nanoparticles towards synthesis of spirooxindoles via multicomponent reaction 18 Karat yellow gold single-tracks manufactured by Laser Powder Bed Fusion (LPBF): 1 064 nm and 515 nm laser comparison Microbial-mediated synthesis of gold nanoparticles—current insights and future vistas Drug release properties of amphoteric HES/p(AETAC-co-IA) hydrogels decorated with gold nanoparticles Excited-state gold catalyzed activation of inert C–Cl bonds
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
已复制链接
已复制链接
快去分享给好友吧!
我知道了
×
扫码分享
扫码分享
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1