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利用超声雾化热解技术(USP)在不同温度的电气石和玻璃衬底上生长ZnO纳米片状薄膜。结构研究表明晶体为六方纤锌矿多晶结构。衬底温度越高,Raman特征峰越强,XRD结果给出(002)优势定向越明显,晶体结晶性能越好,晶粒尺寸越大。SEM图像显示片状ZnO晶体沿平行衬底方向叠加形成花状晶柱的微观形貌,沉积温度越高,晶柱宽度越大。UV-Vis表明电气石衬底上ZnO吸收峰强度高于玻璃衬底,最大吸收峰位置发生红移,高温下移动更大。
ZnO nanosheet films were grown on tourmaline and glass substrates at different temperatures by ultrasonic atomization pyrolysis (USP). Structural studies show that the crystal hexagonal wurtzite polycrystalline structure. The higher the substrate temperature, the stronger the Raman characteristic peak. The XRD result shows that the dominant orientation is more obvious, and the better the crystalline property is, the larger the grain size is. The SEM image shows that the lamellar ZnO crystals are superposed along the parallel substrate to form the microscopic morphology of the flower-shaped column. The higher the deposition temperature, the larger the column width. UV-Vis shows that the intensity of ZnO absorption peak on the tourmaline substrate is higher than that of the glass substrate, and the position of the maximum absorption peak shifts red-shifted and moves more under high temperature.