Physico-Chemical Properties of Carboxymethyl Cellulose (CMC)/Nanosized Titanium Oxide (TiO2) Gamma Irradiated Composite

被引：0
|
作者：
Ali, H. E. [1 ]
Atta, A. [2 ]
Senna, M. M. [1 ]
机构：
[1] Natl Ctr Radiat Res & Technol NCRRT, Radiat Chem Dept, Cairo, Egypt
[2] Natl Ctr Radiat Res & Technol NCRRT, Radiat Phys Dept, Cairo, Egypt
来源：
ARAB JOURNAL OF NUCLEAR SCIENCES AND APPLICATIONS | 2015年 / 48卷 / 04期
关键词：
TiO2; Carboxymethyl cellulose; gamma radiation; nanoparticles;
D O I：
暂无
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
In this work, TiO2 nanoparticles were prepared by sol-gel method with or without a stabilizer as such as carboxy methylcellulose (CMC). TiO2 nanoparticles was used to prepare CMC/TiO2 composite. In addition, the prepared CMC/TiO2 composites were irradiated by a dose from 10-30 kGy of gamma irradiation. The properties of the prepared CMC/TiO2 composites were characterized by X-ray diffraction (XRD), transmutation electron microscopy (TEM), thermal gravimetric analysis TGA and UV. The obtained data indicated that the stabilizer (CMC) has a significant effect on the particle size distribution. Values of optical energy band gap Eg decreased from 3 eV for CMC to 2.88 eV for CMC with TiO2 whereas these values were decreased to 2.77 by gamma irradiation at a dose of 30 kGy. In addition, thermal gravimetric analysis (TGA) indicated that the thermal stability properties of CMC were increased by the addition of TiO2 and gamma irradiation.
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页码：44 / 52
页数：9
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