CAJ | 학술논문

以[Zn(OH)_4]~(2-)为前驱体溶液,利用聚合物和表面活性剂的共同作用来控制纳米晶的生长,化学液相法合成了纳米ZnO 单晶.借助于X-射线衍射仪、透射电镜、紫外可见光谱分析仪等手段表征和探讨了氧化锌纳米晶的物相组成、显微结构和谱学特征.并讨论了反应时间、反应温度、反应物配比等因素对产物形态的影响以及水溶性聚合物和表面活性剂的添加对无机粒子的成核和晶体生长的影响.结果表明,所得产物物相为球形结构的颗粒状纳米氧化锌,直径约为50 nm,粒径分布均匀,样品在200～300 nm可见光区域内有强的紫外吸收峰.
이[Zn(OH)_4]~(2-)위전구체용액,이용취합물화표면활성제적공동작용래공제납미정적생장,화학액상법합성료납미ZnO 단정.차조우X-사선연사의、투사전경、자외가견광보분석의등수단표정화탐토료양화자납미정적물상조성、현미결구화보학특정.병토론료반응시간、반응온도、반응물배비등인소대산물형태적영향이급수용성취합물화표면활성제적첨가대무궤입자적성핵화정체생장적영향.결과표명,소득산물물상위구형결구적과립상납미양화자,직경약위50 nm,립경분포균균,양품재200～300 nm가견광구역내유강적자외흡수봉.
ZnO nanopowders were prepared by chemical liquid-phase method with the water soluble polymer and the surfactant as additive in [Zn(OH)_4]~(2-) precursor solution. The character of spectroscopy and microstructure and phase composition were studied by X-ray diffraction, transmission electron microscopy and UV-Vis absorption spectroscopy. The influences of reaction time, reaction temperature, reactant ratios and so on were investigated. At the same time, the inorganic granule coring and the crystal growth effected by the water soluble polymer and the surfactant were discussed. Results show the ZnO nanopowder with the diameter of 50 nm has the structure of the good crystal state and well-defined crystallographic surfaces. The ZnO nanopowder have strong absorption in the UV region of 200～300 nm wavelength.