Microwave-assisted synthesis of mesoporous CdS quantum dots modified by oleic acid

To obtain stable mesoporous CdS quantum dots, an in situ method that uses oleic acid as a soft template was introduced, and the oleic acid modified CdS quantum dots were then treated with microwaves. The structure and properties of the samples were characterized using X-ray diffraction (XRD), Fourie...

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Bibliographic Details
Published in:Materials science in semiconductor processing 2010-09, Vol.13 (3), p.217-220
Main Authors: Zheng, Xuelin, Weng, Jiabao, Hu, Binghuan
Format: Article
Language:English
Subjects:
Applied sciences
Cadmium sulfides
CdS
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
Diffraction
Electronics
Exact sciences and technology
Fourier transforms
Fullerenes and related materials
Infrared
Infrared and raman spectra and scattering
Materials science
Mesoporous
Microwave-assisted synthesis
Microwaves
Molecular electronics, nanoelectronics
Nanoscale materials and structures: fabrication and characterization
Oleic acid
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Physics
Porous materials
granular materials
Quantum dots
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Semiconductors
Specific materials
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Summary:To obtain stable mesoporous CdS quantum dots, an in situ method that uses oleic acid as a soft template was introduced, and the oleic acid modified CdS quantum dots were then treated with microwaves. The structure and properties of the samples were characterized using X-ray diffraction (XRD), Fourier transform infrared (FT-IR), high-resolution transmission electron microscopy (HRTEM), thermogravimetry (TG) and Brunauer–Emmett–Teller (BET) gas sorptometry. It was found that microwave treatment had a positive effect on the increase in surface area, improving the mesostructure and narrowing the pore size distribution of mesoporous CdS.
ISSN:1369-8001
1873-4081
DOI:10.1016/j.mssp.2010.10.012