Facile Approach for Preparing CdSe/CdTe Heterostucture Quantum Dots

被引：0

作者：

Rahmi, Aidhia ^{[1
]}

Umar, Akrajas Ali ^{[1
]}

Salleh, Muhammad Mat ^{[1
]}

Majlis, Burhanuddin Yeop ^{[1
]}

Yahya, Muhammad ^{[2
]}

机构：

[1] Univ Kebangsaan Malaysia, Inst Microengn & Nanoelect IMEN, Bangi 43600, Selangor, Malaysia

[2] Univ Kebangsaan Malaysia, Fac Sci & Technol, Sch Appl Phys, Bangi 43600, Selangor, Malaysia

来源：

THIRD NANOSCIENCE AND NANOTECHNOLOGY SYMPOSIUM 2010 - NNSB2010 | 2010年 / 1284卷

关键词：

heterostucture; quantum dots; photoluminescence; quantum yield; NANOCRYSTALS;

D O I：

10.1063/1.3515572

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This paper reports a simple strategy to synthesize CdSe/CdTe heterostucture Quantum Dots (QDs) via successive injection of selenium and tellurium precursors into cadmium precursor at 350 degrees C. In typical process, it was found that the heterostucture QDs exhibited a totally new absorption and photoluminescence (PL) properties that are different from individual CdSe and CdTe properties. For example, its PL emissions Quantum Yield (QY) were triple of CdSe and five times of CdTe high quantum QY, the heterostucture QDs should be potential used in LED and solar cell applications.

引用

页码：97 / +

页数：2

共 50 条

[21] Properties of CdSe quantum dots coated with silica fabricated in a facile way
Liao, Yufeng
Li, Wenjiang
He, Sailing
NANOTECHNOLOGY, 2007, 18 (37)
[22] IR-active vibrational modes of CdTe and CdSe colloidal quantum dots and CdTe/CdSe core/shell nanoparticles and coupling effects
R. B. Vasiliev
V. S. Vinogradov
S. G. Dorofeev
S. P. Kozyrev
I. V. Kucherenko
N. N. Novikova
Physics of the Solid State, 2007, 49 : 547 - 551
[23] IR-active vibrational modes of CdTe and CdSe colloidal quantum dots and CdTe/CdSe core/shell nanoparticles and coupling effects
Vasiliev, R. B.
Vinogradov, V. S.
Dorofeev, S. G.
Kozyrev, S. P.
Kucherenko, I. V.
Novikova, N. N.
PHYSICS OF THE SOLID STATE, 2007, 49 (03) : 547 - 551
[24] Comparison of solar cells sensitised by CdTe/CdSe and CdSe/CdTe core/shell colloidal quantum dots with and without a CdS outer layer
McElroy, N.
Page, R. C.
Espinbarro-Valazquez, D.
Lewis, E.
Haigh, S.
O'Brien, P.
Binks, D. J.
THIN SOLID FILMS, 2014, 560 : 65 - 70
[25] An alternative aqueous synthetic route to preparing CdTe quantum dots with tunable photoluminescence
Yi Lin Wang~*
Chinese Chemical Letters, 2012, 23 (03) : 359 - 362
[26] An alternative aqueous synthetic route to preparing CdTe quantum dots with tunable photoluminescence
Wang, Yi Lin
Liu, Sheng Yan
Zhou, Li Ya
CHINESE CHEMICAL LETTERS, 2012, 23 (03) : 359 - 362
[27] Tunable Near-Infrared Emission from CdSe/CdTe/CdSe Core/Shell/Shell Quantum Dots
Huang, Conan
Duan, Yunpei
Makarov, Nikolay S.
Mcdaniel, Hunter
Shim, Moonsub
JOURNAL OF PHYSICAL CHEMISTRY LETTERS, 2025, 16 (12): : 3149 - 3156
[28] Type-II quantum dots: CdTe/CdSe(core/shell) and CdSe/ZinTe(core/shell) heterostructures
Kim, S
Fisher, B
Eisler, HJ
Bawendi, M
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2003, 125 (38) : 11466 - 11467
[29] Effects of CdSe Layer Number on the Optical Properties and Microstructures of CdTe/CdSe (II) Core/Shell Quantum Dots
Peng Jing
Fang Xiao-Ming
Chen Zhi-Hong
Zhang Zheng-Guo
ACTA PHYSICO-CHIMICA SINICA, 2012, 28 (01) : 232 - 238
[30] Synthesis of CdTe-CdSe Core-Shell Quantum Dots with Luminescence in the Red
Abu Bakar, Norhayati
Umar, Akrajas Ali
Salleh, Muhamad Mat
Yahaya, Muhammad
SAINS MALAYSIANA, 2010, 39 (03): : 473 - 477

← 1 2 3 4 5 →