TY -的A2江Zaiyong AU -瓦列霍,威廉盟——Cantillo Alvaro盟——Diaz-Uribe卡洛斯PY - 2020 DA - 2020/01/02 TI -亚甲蓝光降解ZnO薄膜在可见光照射Ag-Doped SP - 1627498六世- 2020 AB -本研究合成和表征Ag-Doped氧化锌薄膜。采用溶胶-凝胶法制备了掺杂氧化锌粉体，采用刀片技术制备了氧化锌薄膜。采用电感耦合等离子体(ICP)发射光谱仪测定银含量。此外，使用x射线衍射、拉曼光谱、原子力显微镜(AFM)、漫反射和x射线光电子能谱(XPS)测量进行物理化学表征。最后，研究了在可见光照射下，亚甲基蓝在水溶液中的光催化降解。采用Langmuir-Hinshelwood模型确定光催化降解的反应速率常数。物理化学表征表明，样品为多晶，衍射信号符合氧化锌纤锌矿晶相。拉曼光谱验证了ZnO的掺杂过程。原子力显微镜分析表明，掺杂后的粗糙度和晶粒尺寸均有所降低。光学结果表明，Ag的存在改善了ZnO在可见范围内的光学性能，且掺杂Ag的ZnO薄膜带隙值最低(2.95 eV)。 Finally, the photocatalytic degradation results indicated that the doping process enhanced the photocatalytic activity under visible irradiation, and the Ag-doped ZnO thin films had the highest MB photodegradation value (45.1%), as compared to that of the ZnO thin films (2.7%). SN - 1110-662X UR - https://doi.org/10.1155/2020/1627498 DO - 10.1155/2020/1627498 JF - International Journal of Photoenergy PB - Hindawi KW - ER -