材料科学
光致发光
降级(电信)
锆
催化作用
光催化
发光
吸收(声学)
可见光谱
溶胶凝胶
辐照
核化学
光化学
化学工程
纳米技术
光电子学
化学
复合材料
冶金
有机化学
工程类
电信
物理
计算机科学
核物理学
作者
P. Dhatshanamurthi,B. Subash,K. Jayamoorthy,R. Sasikala,P. Vijaya,M. Shanthi
标识
DOI:10.1080/24701556.2022.2081197
摘要
Different weight percentage of ZrO2-loaded TiO2 a new catalysts were designed and prepared by sonochemical assisted sol-gel method and utilized for degradation of RO 4 under solar radiation. Highly efficient 5 wt% of ZrO2-loaded TiO2 was characterized and confirmed by XRD, TEM, SEM, EDS, DRS, photoluminescence spectral studies, and BET method. ZrO2-TiO2 was found to be more efficient than virgin TiO2, commercial TiO2-P25, prepared ZrO2, and ZrO2-TiO2 in dark. Furthermore, ZrO2-TiO2 has higher absorption than bare TiO2 in both UV and visible region. The luminescence spectra reveal the suppression of recombination of the photogenerated electron-hole pairs by the ZrO2 loaded on TiO2. ZrO2-TiO2 is found to be more efficient than prepared TiO2 and TiO2-P25 for degradation of RO 4, TB, and AR 27 dyes under solar light. The optimum pH and catalyst loading for efficient removal of dye are found to be 9 and 4 g L−1, respectively.
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