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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Veröffentlicht in:	Materials science in semiconductor processing 2010-09, Vol.13 (3), p.217-220
Hauptverfasser:	Zheng, Xuelin, Weng, Jiabao, Hu, Binghuan
Format:	Artikel
Sprache:	eng
Schlagworte:	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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Zusammenfassung:	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