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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemical engineering
Sonoelectrochemical synthesis of water-soluble CdTe quantum dots
Ultrasonics Sonochemistry, Volume 21, No. 2, Year 2014
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Description
A facile and fast one-pot method has been developed for the synthesis of CdTe quantum dots (QDs) in aqueous phase by a sonoelectrochemical route without the protection of N2. The morphology, structure and composition of the as-prepared products were investigated by high resolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD) and energy dispersive X-ray spectrometer (EDS). The influences of current intensity, current pulse width, and reaction temperature on the photoluminescence (PL) and quantum yield (QY) of the products were studied. The experimental results showed that the water-soluble CdTe QDs with high PL qualities can be conveniently synthesized without precursor preparation and N2 protection, and the PL emission wavelength and QY can be effectively controlled by adjusting some parameters. This method can be expected to prepare other QDs as promising building blocks in solar cell, photocatalysis and sensors. © 2013 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Shi, Jian Jun
China, Huainan
Anhui University of Science and Technology
China, Nanjing
Nanjing University
Wang, Sheng
China, Huainan
Anhui University of Science and Technology
He, Ting Ting
China, Huainan
Anhui University of Science and Technology
Abdel-Halim, Essam Sayed
Saudi Arabia, Riyadh
College of Sciences
Zhu, Junjie
China, Nanjing
Nanjing University
Statistics
Citations: 23
Authors: 5
Affiliations: 3
Identifiers
Doi:
10.1016/j.ultsonch.2013.06.003
ISSN:
13504177
e-ISSN:
18732828
Research Areas
Environmental