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测量应用案例-72-200SM
[ 发布时间:2015-09-06 | 浏览数:2405 ]

     

文献名: Red electrophoretic particles based on Fe2O3 nanoparticles for electronic inks: Design, preparation and properties

作者: Liandong Deng邓联东 , Jing Zhang张 晶, Anjie Dong董岸杰
Tianjin University

摘要:In order to modify inorganic particles as chromatic electrophoretic particles, an approach was designed and used to prepare Fe2O3 red electrophoretic particles. These Fe2O3-cationic hybrid nanoparticles(Fe2O3-CHNPs)were prepared through Fe2O3 core covered with polymer shell which was composed of SiO2 and P(DMAEMA-co-HMA) by using atom transfer radical polymerization(ATRP)technique. The SiO2-coating could introduce the functional group on the surfaceof inorganic particles, through which the polymer shell could be formed by using ATRP technique. The results of Fourier transform infrared spectra(FT-IR), X-ray photoelectron spectroscopy(XPS)and thermal gravimetric analysis(TGA)confirmed the chemical compositions of Fe2O3-CHNPs; the images of transmission electron microscopy(TEM)indicated the core-shell structure of Fe2O3-CHNPs; the measurements of dynamic light scattering(DLS)showed a 253.7 nm average particle size with narrow size distribution; and the zeta potential measurements identified the high chargeability of Fe2O3-CHNPs. Furthermore, the resulting nanoparticles were successfully applied in the electrophoretic display cell, which demonstrated that it was an effective approach to preparing chromatic electrophoretic particles.

关键词:Fe2O3;electrophoretic particles;ATRP;chromatic display


 

 
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