靛蓝胭脂红
化学
光催化
硒化镉
光降解
钼
纳米颗粒
扫描电子显微镜
光化学
傅里叶变换红外光谱
可见光谱
材料科学
化学工程
核化学
纳米技术
量子点
光电子学
催化作用
有机化学
工程类
复合材料
冶金
作者
Emelda Rayappan,Jaya Rajan Muthaian,P. Muthirulan
标识
DOI:10.1080/10426507.2021.2012677
摘要
In the present study, molybdenum doped cadmium selenide (Mo-CdSe) nanoparticles photocatalyst has been synthesized and utilized for the degradation of indigo carmine dye under solar light irradiation. Mo-CdSe nanoparticles were characterized by X-ray diffraction (XRD), ultraviolet spectroscopy, scanning electron microscopy (SEM) coupled with energy dispersive X-ray analysis (EDAX), transmission electron microscopy, thermo gravimetric (TGA) and FTIR studies. The XRD and EDAX spectrum confirms the presence of Mo onto CdSe matrix. Thermal proved that the Mo-CdSe nanoparticles possessed greater thermal stability than CdSe nanoparticles. Photodegradation studies under solar light irradiation revealed that the Mo-doped CdSe nanoparticles exhibit higher photocatalytic activity than that of pure CdSe nanoparticles. This significant improvement in the photocatalytic efficiency of Mo-CdSe nanoparticles photocatalyst under solar light irradiation can be attributed to the presence of Mo on the CdSe nanoparticles which greatly enhances absorption in the visible range of solar spectrum enabled by the Mo and better charge separation.
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