CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Metal-enhanced fluorescence-based multilayer core-shell Ag-nanocube@SiO2@PMOs nanocomposite sensor for Cu2+ detection
Sun, BW; Wang, CS; Han, SH; Hu, YF; Zhang, LJ; Han, SH (reprint author), Shandong Univ, Key Lab Colloid & Interface Chem, Minist Educ, Jinan 250100, Peoples R China.
2016
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume6Issue:66Pages:61109-61118
Subtype期刊论文
AbstractA silver nanocube (Ag NC) nanoparticle-enhanced fluorescent nanocomposite was developed. The designed nanocomposite contained an Ag NC core of 50 nm in size as enhancer, the 10 nm silica interlayer, and outer shell-periodic mesoporous organosilicas (PMOs) which incorporated the bis(rhodamine Schiff-base derivative) siloxane groups. Little fluorescence emission of nanocomposites was observed due to the existence of spirolactam in the rhodamine derivative, however, upon the addition of Cu2+, the fluorescence emission intensity increased dramatically, which resulted from ring-opening of the spirolactam in the rhodamine moieties. We showed the effect of using an Ag NC core on the fluorescence emission intensity of the novel system. The emission intensity was approximately 3-fold higher for Ag-nanocube@SiO2@PMOs than the control sample prepared by etching the silver core away with iodide. Moreover, the metal-enhanced fluorescence (MEF) mechanism in this system was investigated through measuring the fluorescence lifetime. In addition, the designed core-shell Ag-nanocube@SiO2@PMOs nanocomposite could act as a sensitive and selective sensor to detect the Cu2+, and we have been expecting that the detection limit would be reduced by reaping benefits from the plasmon resonance of Ag NC core in this nanocomposite system.
DOI10.1039/c6ra11598e
Indexed BySCI
Language英语
WOS IDWOS:000379485200014
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/26571
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorHan, SH (reprint author), Shandong Univ, Key Lab Colloid & Interface Chem, Minist Educ, Jinan 250100, Peoples R China.
Recommended Citation
GB/T 7714
Sun, BW,Wang, CS,Han, SH,et al. Metal-enhanced fluorescence-based multilayer core-shell Ag-nanocube@SiO2@PMOs nanocomposite sensor for Cu2+ detection[J]. RSC ADVANCES,2016,6(66):61109-61118.
APA Sun, BW,Wang, CS,Han, SH,Hu, YF,Zhang, LJ,&Han, SH .(2016).Metal-enhanced fluorescence-based multilayer core-shell Ag-nanocube@SiO2@PMOs nanocomposite sensor for Cu2+ detection.RSC ADVANCES,6(66),61109-61118.
MLA Sun, BW,et al."Metal-enhanced fluorescence-based multilayer core-shell Ag-nanocube@SiO2@PMOs nanocomposite sensor for Cu2+ detection".RSC ADVANCES 6.66(2016):61109-61118.
Files in This Item:
File Name/Size DocType Version Access License
Metal-enhanced fluor(2510KB)期刊论文作者接受稿开放获取CC BY-NC-SAView Application Full Text
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Sun, BW]'s Articles
[Wang, CS]'s Articles
[Han, SH]'s Articles
Baidu academic
Similar articles in Baidu academic
[Sun, BW]'s Articles
[Wang, CS]'s Articles
[Han, SH]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Sun, BW]'s Articles
[Wang, CS]'s Articles
[Han, SH]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: Metal-enhanced fluorescence-based multilayer core-shell Ag-nanocube@SiO2@PMOs nanocomposite sensor for Cu2+ detection.pdf
Format: Adobe PDF
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.