Enhanced Photoluminescence Property for Quantum Dot-Gold Nanoparticle Hybrid

Qianqian Huang; Jing Chen; Jian Zhao; Jiangyong Pan; Wei Lei; Zichen Zhang

doi:10.1186/s11671-015-1067-0

Enhanced Photoluminescence Property for Quantum Dot-Gold Nanoparticle Hybrid

Qianqian Huang
, Jing Chen^*
, Jian Zhao
, Jiangyong Pan
, Wei Lei
, Zichen Zhang

^*此作品的通讯作者

School of Electronic Science and Engineering
Southeast University, Nanjing
Tsinghua University

科研成果: 期刊稿件 › 文章 › 同行评审

26 引用（Scopus）

摘要

In this paper, we have synthesized ZnCdSeS quantum dots (QDs)-gold nanoparticle (Au NPs) hybrids in aqueous solution via bi-functional linker mercaptoacetic acid (MPA). The absorption peaks of ZnCdSeS QDs and Au are both located at 520 nm. It is investigated that PL intensity of QD-Au hybrid can be affected by the amounts of Au and pH value of hybrid solution. The located surface plasmon resonance (LSPR) effect of QD-Au NPs has been demonstrated by increased fluorescence intensity. The phenomenon of fluorescence enhancement can be maximized under the optimized pH value of 8.5. LSPR-enhanced photoluminescence property of QD-Au hybrid will be beneficial for the potential applications in the area of biological imaging and detection.

源语言	英语
期刊论文编号	400
期刊	Nanoscale Research Letters
卷	10
期	1
DOI	https://doi.org/10.1186/s11671-015-1067-0
出版状态	已出版 - 1 12月 2015
已对外发布	是

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title = "Enhanced Photoluminescence Property for Quantum Dot-Gold Nanoparticle Hybrid",

abstract = "In this paper, we have synthesized ZnCdSeS quantum dots (QDs)-gold nanoparticle (Au NPs) hybrids in aqueous solution via bi-functional linker mercaptoacetic acid (MPA). The absorption peaks of ZnCdSeS QDs and Au are both located at 520 nm. It is investigated that PL intensity of QD-Au hybrid can be affected by the amounts of Au and pH value of hybrid solution. The located surface plasmon resonance (LSPR) effect of QD-Au NPs has been demonstrated by increased fluorescence intensity. The phenomenon of fluorescence enhancement can be maximized under the optimized pH value of 8.5. LSPR-enhanced photoluminescence property of QD-Au hybrid will be beneficial for the potential applications in the area of biological imaging and detection.",

keywords = "LSPR, Metal{\textendash}semiconductor system, Quantum dot",

author = "Qianqian Huang and Jing Chen and Jian Zhao and Jiangyong Pan and Wei Lei and Zichen Zhang",

note = "Publisher Copyright: {\textcopyright} 2015, Huang et al.",

year = "2015",

month = dec,

day = "1",

doi = "10.1186/s11671-015-1067-0",

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T1 - Enhanced Photoluminescence Property for Quantum Dot-Gold Nanoparticle Hybrid

AU - Huang, Qianqian

AU - Chen, Jing

AU - Zhao, Jian

AU - Pan, Jiangyong

AU - Lei, Wei

AU - Zhang, Zichen

PY - 2015/12/1

Y1 - 2015/12/1

N2 - In this paper, we have synthesized ZnCdSeS quantum dots (QDs)-gold nanoparticle (Au NPs) hybrids in aqueous solution via bi-functional linker mercaptoacetic acid (MPA). The absorption peaks of ZnCdSeS QDs and Au are both located at 520 nm. It is investigated that PL intensity of QD-Au hybrid can be affected by the amounts of Au and pH value of hybrid solution. The located surface plasmon resonance (LSPR) effect of QD-Au NPs has been demonstrated by increased fluorescence intensity. The phenomenon of fluorescence enhancement can be maximized under the optimized pH value of 8.5. LSPR-enhanced photoluminescence property of QD-Au hybrid will be beneficial for the potential applications in the area of biological imaging and detection.

AB - In this paper, we have synthesized ZnCdSeS quantum dots (QDs)-gold nanoparticle (Au NPs) hybrids in aqueous solution via bi-functional linker mercaptoacetic acid (MPA). The absorption peaks of ZnCdSeS QDs and Au are both located at 520 nm. It is investigated that PL intensity of QD-Au hybrid can be affected by the amounts of Au and pH value of hybrid solution. The located surface plasmon resonance (LSPR) effect of QD-Au NPs has been demonstrated by increased fluorescence intensity. The phenomenon of fluorescence enhancement can be maximized under the optimized pH value of 8.5. LSPR-enhanced photoluminescence property of QD-Au hybrid will be beneficial for the potential applications in the area of biological imaging and detection.

KW - LSPR

KW - Metal–semiconductor system

KW - Quantum dot

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DO - 10.1186/s11671-015-1067-0

M3 - 文章

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SN - 1931-7573

VL - 10

JO - Nanoscale Research Letters

JF - Nanoscale Research Letters

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Enhanced Photoluminescence Property for Quantum Dot-Gold Nanoparticle Hybrid

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