Cavity-Type DNA Origami-Based Plasmonic Nanostructures for Raman Enhancement
Zhao, MZ; Wang, X; Ren, SK; Xing, YK; Wang, J; Teng, N; Zhao, DX; Liu, W; Zhu, D; Su, S; Sho, JY; Song, S; Wang, LH; Chao, J; Wang, LH
2017
发表期刊ACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
卷号9期号:26页码:21942-21948
文章类型期刊论文
摘要DNA origami has been established as addressable templates for site-specific anchoring of gold nanoparticles (AuNPs). Given that AuNPs are assembled by charged DNA oligonucleotides, it is important to reduce the charge repulsion between AuNPs-DNA and the template to realize high yields. Herein, we developed a cavity-type DNA origami as templates to organize 30 nm AuNPs, which formed dimer and tetramer plasmonic nanostructures. Transmission electron microscopy images showed that high yields of dimer and tetramer plasmonic nanostructures were obtained by using the cavity-type DNA origami as the template. More importantly, we observed significant Raman signal enhancement from molecules covalently attached to the plasmonic nanostructures, which provides a new way to high-sensitivity Raman sensing.
关键词Tailored Optical Chirality Gold Nanoparticles Nanoarchitectures Nanotubes Catalysis Discrete Arrays Sensor Sers
DOI10.1021/acsami.7b05959
关键词[WOS]TAILORED OPTICAL CHIRALITY ; GOLD NANOPARTICLES ; NANOARCHITECTURES ; NANOTUBES ; CATALYSIS ; DISCRETE ; ARRAYS ; SENSOR ; SERS
收录类别SCI
语种英语
WOS记录号WOS:000405159100039
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28572
专题中科院上海应用物理研究所2011-2018年
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Zhao, MZ,Wang, X,Ren, SK,et al. Cavity-Type DNA Origami-Based Plasmonic Nanostructures for Raman Enhancement[J]. ACS APPLIED MATERIALS & INTERFACES,2017,9(26):21942-21948.
APA Zhao, MZ.,Wang, X.,Ren, SK.,Xing, YK.,Wang, J.,...&Wang, LH.(2017).Cavity-Type DNA Origami-Based Plasmonic Nanostructures for Raman Enhancement.ACS APPLIED MATERIALS & INTERFACES,9(26),21942-21948.
MLA Zhao, MZ,et al."Cavity-Type DNA Origami-Based Plasmonic Nanostructures for Raman Enhancement".ACS APPLIED MATERIALS & INTERFACES 9.26(2017):21942-21948.
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