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

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 purit...

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Published inJournal of colloid and interface science Vol. 314; no. 2; pp. 510 - 513
Main Authors Lou, Tian Jun, Zeng, Jing Hui, Lou, Xiang Dong, Fu, Hai Li, Wang, Ye Feng, Ma, Rui Li, Tong, Lin Jian, Chen, Ya Li
Format Journal Article
LanguageEnglish
Published United States 15.10.2007
Subjects
Ethanol - chemistry
Light
Luminescence
Manganese - chemistry
Metal Nanoparticles - chemistry
Microscopy, Electron, Transmission
Nanoparticles
Phosphorus - chemistry
Silicates - chemistry
Spectrophotometry
Spectroscopy, Fourier Transform Infrared
Temperature
Time Factors
X-Ray Diffraction
Zinc - chemistry
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Summary: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.
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ISSN:0021-9797