Near-infrared Photoluminescent Ag2S Quantum Dots from a Single Source Precursor

被引：605

作者：

Du, Yaping ^{[1
]}

Xu, Bing ^{[1
]}

Fu, Tao ^{[1
]}

Cai, Miao ^{[1
]}

Li, Feng ^{[1
]}

Zhang, Yan ^{[1
]}

Wang, Qiangbin ^{[1
]}

机构：

[1] Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion, I Lab, Suzhou 215125, Peoples R China

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2010年 / 132卷 / 05期

关键词：

OPTICAL-PROPERTIES; NANOCRYSTALS; GROWTH; RED; VI;

D O I：

10.1021/ja909490r

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Monodisperse Ag2S quantum dots (QDs) were synthesized via pyrolysis of Ag(DDTC) in oleic acid, octadecylamine, and I-octadecene. The uniform alkyl-capped Ag2S QDs with a size of 10.2 nm emit near-IR emission at 1058 nm under 785 nm excitation.

引用

页码：1470 / +

页数：4

共 19 条

[1] Semiconductor clusters, nanocrystals, and quantum dots [J].

Alivisatos, AP .

SCIENCE, 1996, 271 (5251) :933-937

[2] Ternary I-III-VI quantum dots luminescent in the red to near-infrared [J].

Allen, Peter M. ;

Bawendi, Moungi G. .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2008, 130 (29) :9240-+

[3] Inverted core/shell nanocrystals continuously tunable between type-I and type-II localization regimes [J].

Balet, LP ;

Ivanov, SA ;

Piryatinski, A ;

Achermann, M ;

Klimov, VI .

NANO LETTERS, 2004, 4 (08) :1485-1488

[4] Bright and water-soluble near IR-Emitting CdSe/CdTe/ZnSe Type-II/Type-I nanocrystals, tuning the efficiency and stability by growth [J].

Blackman, Bridgette ;

Battaglia, David ;

Peng, Xiaogang .

CHEMISTRY OF MATERIALS, 2008, 20 (15) :4847-4853

[5] Quantum dot bioconjugates for ultrasensitive nonisotopic detection [J].

Chan, WCW ;

Nie, SM .

SCIENCE, 1998, 281 (5385) :2016-2018

[6] Controllable assembly of ordered semiconductor Ag2S nanostructures [J].

Gao, F ;

Lu, QY ;

Zhao, DY .

NANO LETTERS, 2003, 3 (01) :85-88

[7] Toxicity of silver sulfide-spiked sediments to the freshwater amphipod (Hyalella azteca) [J].

Hirsch, MP .

ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY, 1998, 17 (04) :601-604

[8] Demonstration of bulk semiconductor optical properties in processable Ag2S and EuS nanocrystalline systems [J].

Huxter, Vanessa M. ;

Mirkovic, Tihana ;

Nair, P. Sreekumari ;

Scholes, Gregory D. .

ADVANCED MATERIALS, 2008, 20 (12) :2439-+

[9] Near-infrared fluorescent type II quantum dots for sentinel lymph node mapping [J].

Kim, S ;

Lim, YT ;

Soltesz, EG ;

De Grand, AM ;

Lee, J ;

Nakayama, A ;

Parker, JA ;

Mihaljevic, T ;

Laurence, RG ;

Dor, DM ;

Cohn, LH ;

Bawendi, MG ;

Frangioni, JV .

NATURE BIOTECHNOLOGY, 2004, 22 (01) :93-97

[10] A simple route to synthesize size-controlled Ag2S core-shell nanocrystals, and their self-assembly [J].

Lou, Wenjing ;

Wang, Xiaobo ;

Chen, Miao ;

Liu, Weimin ;

Hao, Jincheng .

NANOTECHNOLOGY, 2008, 19 (22)

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