【摘要】 以SnCl4·5H2O和氨水为原料,用水热法制备了粒度均匀的SnO2纳米粒子,并用γ-氨丙基三乙氧基硅烷(KH-550)对其进行了表面改性。用X射线衍射(XRD)、透射电子显微镜(TEM)、纳米粒度/Zeta电位测定和元素分析测试技术对粒子进行了表征。研究结果表明,所制得的SnO2纳米粒子为四方晶系金红石型结构,改性后的纳米粒子均一性进一步提高,粒径分布在8～20 nm,能形成稳定的分散体系。更多还原

【Abstract】 SnO₂ nanoparticles have been successfully prepared from SnCl4 and NH3·H2O aqueous solution by hydrothermal method,and modified with γ-aminopropyl triethoxysilane（KH-550）.The product was characterized with X-ray powder diffraction（XRD）,transmission electron microscopy（TEM）,nano-size/Zeta potential analyzer and elemental analysis.The results show that SnO₂ nanoparticles are all tetragonal-rutile SnO₂,the homogeneity of the modified SnO₂ nanoparticles was improved with a narrow grain size distribution of 8²0 nm,and the particles can be dispersed stably in the system.更多还原