Enhancement and quenching of photoluminescence from Au nanoparticles and CdTe quantum dot composite system

Zhou Xiao-Dong; Zhang Shao-Feng; Zhou Si-Hua

doi:10.7498/aps.64.167301

Abstract

New composite systems consisting of Au nanoparticles (NPs) and CdTe quantum dots (QDs) are fabricated by spin coating chemically synthesizing CdTe QDs on silica substrates which have already been implanted by Ag ions through using a metal vapor vacuum arc (MEVVA) ion source implanter. By thermally annealing the Au ions implanted silica substrates, the growth and redistribution of Au NPs can be controlled, the influence of localized surface plasmon (LSP) of Au NPs on the photoluminescence (PL) of CdTe QDs is well studied. The optical properties, surface morphologies, microstructures, and light emission properties of the Au-ion implanted samples are investigated by using optical absorption spectroscopy, atomic force microscopy, transmission electron microscopy and PL spectra measurements. PL spectra show that the PL intensities from Au NPs and CdTe QDs composite systems can be enhanced or quenched compared with those of CdTe QDs directly spin coated on bare silica substrate. The underlying interaction processes between Au NPs and CdTe QDs are discussed in depth, and the new mechanisms for the PL enhancement and quenching in the Au-CdTe coupled systems are put forward. These results provide a good reference for the future designing of optoelectronic devices with improved luminescence efficiency by LSP of metal NPs.

Keywords:

Authors and contacts

1.
School of Physics and Mechanical & Electrical Engineering, Zhoukou Normal University, Zhoukou 466001, China;
2.
School of Physics and Engineering, Henan University of Science and Technology, Luoyang 471023, China
Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 11405280, 51402090), the Foundation from Education Department of Henan Province of China (Grant No. 14B140021), and the Startup Foundation for Doctors of Zhoukou Normal University of China (Grant No. zksybscx201210).

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Cited By

[1]	Tong L M, Xu H X (in Chinese) [童廉明, 徐红星 2012 物理 41 582]
[2]	Willets K A, van Duyne R P 2007 Annu. Rev. Phys. Chem. 58 267
[3]	Mayer K M, Hafner J H 2011 Chem. Rev. 111 3828
[4]	Ritchie R H 1957 Phys. Rev. 106 874
[5]	Cvitkovic A, Ocelic N, Aizpurua J, Guckenberger R, Hillenbrand R 2006 Phys. Rev. Lett. 97 60801
[6]	Peer D, Karp J M, Hong S, Farokhzad O C, Margalit R, Langer R 2007 Nat. Nanotech. 2 751
[7]	Gobin A M, Lee M H, Halas N J, James W D, Drezek R A, West J L 2007 Nano Lett. 7 1929
[8]	Liu J, Zhong X L, Li Z Y 2014 Chin. Phys. B 23 047306
[9]	Maier S A, Kik P G, Atwater H A, Meltzer S, Harel E, Koel B E, Requicha A A G 2003 Nat. Mater. 2 229
[10]	Krasavin A V, Zheludev N I 2004 Appl. Phys. Lett. 84 1416
[11]	Pacifici D, Lezec H J, Atwater H A 2007 Nat. Photonics 1 402
[12]	Li J B, He M D, Wang X J, Peng X F, Chen L Q 2014 Chin. Phys. B 23 067302
[13]	Li Q, Wei H, Xu H X 2014 Chin. Phys. B 23 097302
[14]	Shan G, Xu L, Wang G, Liu Y 2007 J. Phys. Chem. C 111 3290
[15]	Ci X T, Wu B T, Song M, Chen G X, Liu Y, Wu E, Zeng H P 2014 Chin. Phys. B 23 097303
[16]	Hsieh Y P, Liang C T, Chen Y F, Lai C W, Chou P T 2007 Nanotechnology 18 415707
[17]	Chen C W, Wang C H, Wei C M, Chen Y F 2009 Appl. Phys. Lett. 94 071906
[18]	Kulakovich O, Strekal N, Yaroshevich A, Maskevich S, Gaponenko S, Nabiev I, Woggon U, Artemyev M 2002 Nano Lett. 2 1449
[19]	Nikoobakht B, Burda C, Braun M, Hun M, El-Sayed M A 2002 Photochem Photobiol 75 591
[20]	Hosoki K, Tayagaki T, Yamamoto S, Matsuda K, Kanemitsu Y 2008 Phys. Rev. Lett. 100 207404
[21]	Zhou X D, Xiao X H, Xu J X, Cai G X, Ren F, Jiang C Z 2011 Europhys. Lett. 93 57009
[22]	Okamoto K, Niki I, Shvartser A, Narukawa Y, Mukai T, Scherer A 2004 Nat. Mater. 3 601
[23]	Lai C W, An J, Ong H C 2005 Appl. Phys. Lett. 86 251105
[24]	Cheng P H, Li D S, Yuan Z Z, Chen P L, Yang D R 2008 Appl. Phys. Lett. 92 041119
[25]	Ni W H, An J, Lai C W, Ong H C, Xu J B 2006 J. Appl. Phys. 100 026103
[26]	Kulakovich O, Strekal N, Yaroshevich A, Maskevich S, Gaponenko S, Nabiev I, Woggon U, Artemyev M 2002 Nano Lett. 2 1449
[27]	Arnold G, Borders J 1977 J. Appl. Phys. 48 1488
[28]	Miotello A, Marchi G D, Mattei G, Mazzoldi P, Sada C 2001 Phys. Rev. B 63 075409
[29]	Marchi G D, Mattei G, Mazzoldi P, Sada C, Miotello A 2002 J. Appl. Phys. 92 4249
[30]	Voorhess P W 1985 J. Stat. Phys. 38 231

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Vol. 64, Issue 16 - 2015-08-20

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