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J Colloid Interface Sci. 2007 Oct 15;314(2):510-3. Epub 2007 Jun 21.

A facile synthesis to Zn(2)SiO(4):Mn(2+) phosphor with controllable size and morphology at low temperature.

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  • 1College of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang 453003, China. ltjhn@163.com

Abstract

Sphere- and rod-shaped Zn(2)SiO(4):Mn(2+) phosphor nanocrystals were synthesized at 230 degrees C. The process consists of tuning the surfactant concentration in the oil/surfactant/ethanol system. Powder X-ray (XRD) and transmission electron microscopy (TEM) were used to characterize the phase purity, size and morphology. Photoluminescent (PL) spectra were collected and analyzed. Fourier transform infrared (FT-IR) spectra of the samples indicate the removal of surfactant in the phosphor nanoparticles. As a result, the sphere-shaped phosphor nanoparticles of 100 nm in size can be redispersed in ethanol ultrasonically. The suspension maintain stable for over 48 h.

PMID:
17618644
[PubMed - indexed for MEDLINE]
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