Silica-covered Au nanoresonators for fluorescence modulating of a graphene quantum dot

Su Feng Wang; Da Wei He; Yong Sheng Wang; Yin Hu; Jia Hua Duan; Ming Fu; Wen Shuo Wang

doi:10.1088/1674-1056/23/9/097803

Silica-covered Au nanoresonators for fluorescence modulating of a graphene quantum dot

Su Feng Wang, Da Wei He^*, Yong Sheng Wang, Yin Hu, Jia Hua Duan, Ming Fu, Wen Shuo Wang

^*Corresponding author for this work

Beijing Jiaotong University

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

We synthesize Au@SiO₂ composite particles with a core-shell structure, and utilize the Au@SiO₂ nanoparticles to modulate the fluorescence emission of the graphene quantum dot (GQD) through varying the silica shell thickness. The silica shell thickness can be easily controlled by varying the coating time. After silica coating, we investigate the influence of the silica thickness on the fluorescence emission of the GQD and find that the fluorescence property of the GQD can be changed as expected by varying the thickness of the silica shell. We propose an optimized coating time for the silica shell under the interaction of fluorescence quenching and enhancement.

Original language	English
Article number	097803
Journal	Chinese Physics B
Volume	23
Issue number	9
DOIs	https://doi.org/10.1088/1674-1056/23/9/097803
Publication status	Published - 2014
Externally published	Yes

Keywords

fluorescence
graphene quantum dot
nanoparticles

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10.1088/1674-1056/23/9/097803

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title = "Silica-covered Au nanoresonators for fluorescence modulating of a graphene quantum dot",

abstract = "We synthesize Au@SiO2 composite particles with a core-shell structure, and utilize the Au@SiO2 nanoparticles to modulate the fluorescence emission of the graphene quantum dot (GQD) through varying the silica shell thickness. The silica shell thickness can be easily controlled by varying the coating time. After silica coating, we investigate the influence of the silica thickness on the fluorescence emission of the GQD and find that the fluorescence property of the GQD can be changed as expected by varying the thickness of the silica shell. We propose an optimized coating time for the silica shell under the interaction of fluorescence quenching and enhancement.",

keywords = "fluorescence, graphene quantum dot, nanoparticles",

author = "Wang, {Su Feng} and He, {Da Wei} and Wang, {Yong Sheng} and Yin Hu and Duan, {Jia Hua} and Ming Fu and Wang, {Wen Shuo}",

note = "Publisher Copyright: {\textcopyright} 2014 Chinese Physical Society and IOP Publishing Ltd.",

year = "2014",

doi = "10.1088/1674-1056/23/9/097803",

language = "English",

volume = "23",

journal = "Chinese Physics B",

issn = "1674-1056",

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TY - JOUR

T1 - Silica-covered Au nanoresonators for fluorescence modulating of a graphene quantum dot

AU - Wang, Su Feng

AU - He, Da Wei

AU - Wang, Yong Sheng

AU - Hu, Yin

AU - Duan, Jia Hua

AU - Fu, Ming

AU - Wang, Wen Shuo

PY - 2014

Y1 - 2014

N2 - We synthesize Au@SiO2 composite particles with a core-shell structure, and utilize the Au@SiO2 nanoparticles to modulate the fluorescence emission of the graphene quantum dot (GQD) through varying the silica shell thickness. The silica shell thickness can be easily controlled by varying the coating time. After silica coating, we investigate the influence of the silica thickness on the fluorescence emission of the GQD and find that the fluorescence property of the GQD can be changed as expected by varying the thickness of the silica shell. We propose an optimized coating time for the silica shell under the interaction of fluorescence quenching and enhancement.

AB - We synthesize Au@SiO2 composite particles with a core-shell structure, and utilize the Au@SiO2 nanoparticles to modulate the fluorescence emission of the graphene quantum dot (GQD) through varying the silica shell thickness. The silica shell thickness can be easily controlled by varying the coating time. After silica coating, we investigate the influence of the silica thickness on the fluorescence emission of the GQD and find that the fluorescence property of the GQD can be changed as expected by varying the thickness of the silica shell. We propose an optimized coating time for the silica shell under the interaction of fluorescence quenching and enhancement.

KW - fluorescence

KW - graphene quantum dot

KW - nanoparticles

UR - http://www.scopus.com/inward/record.url?scp=84990944765&partnerID=8YFLogxK

U2 - 10.1088/1674-1056/23/9/097803

DO - 10.1088/1674-1056/23/9/097803

M3 - Article

AN - SCOPUS:84990944765

SN - 1674-1056

VL - 23

JO - Chinese Physics B

JF - Chinese Physics B

IS - 9

M1 - 097803

ER -

Silica-covered Au nanoresonators for fluorescence modulating of a graphene quantum dot

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Keywords

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