The preparation of WO 3 thin films has been reported using a sol gel process together with the dip coating method, and tungsten powder being the raw material.

• 以金属 W粉为无机原料 ,溶胶 -凝胶技术结合浸渍镀膜方法制备出 WO3 薄膜 ,借助 SEM、可见光分光光度计、椭偏仪等仪器测量了薄膜的特性。