Fabrication and Photocatalysis of Rod-like ZnWO4 Nanocrystallites
Source abstract
Abstract
以Na 2 WO 4 ·2H 2 O和Zn(COOCH 3 ) 2 ·2H 2 O为原料, 采用微波水热法, 制备具有光催化性能的黑钨矿型棒状ZnWO 4 纳米晶. 利用X射线衍射仪(XRD)、透射电子显微镜(TEM)、紫外–可见吸收光谱仪(UV-Vis)和光致发光谱仪(PL)分别对产物的物相、形貌和光学性能进行了表征. 结果表明: 采用微波水热法, 产物沿(100)晶面取向生长为棒状结构; 对其光学性能和光催化性能的研究显示, 所制备的ZnWO 4 具有蓝光发光特性, 其激发峰和发射峰分别为295和460 nm, 其还具有较强的紫外吸收特性; 棒长约为50~60 nm, (100)取向度为0.24的ZnWO 4 纳米晶具有最佳的光催化性能.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Microwave Dielectric Ceramics Synthesis · Luminescence Properties of Advanced Materials · Transition Metal Oxide Nanomaterials
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