亚甲蓝
纳米复合材料
光催化
可见光谱
材料科学
石墨烯
锰
降级(电信)
核化学
辐照
氧化物
光谱学
光化学
化学
催化作用
纳米技术
有机化学
冶金
电信
物理
光电子学
量子力学
计算机科学
核物理学
作者
Jawaria Maqsood,Ahmed M. Fallatah,Z.I. Zaki,Mehwish Akhtar,Amna Irshad
标识
DOI:10.1515/zpch-2023-0272
摘要
Abstract Visible light active, highly stable, nontoxic, and efficient photocatalysts based on 1 %, 3 %, and 5 % Mn@Co 3 O 4 were synthesized and functionalized with reduced graphene oxide. The X-rays diffraction (XRD) spectroscopy and FT-IR spectroscopy were employed for structural and functional group studies. Under visible light irradiation, photocatalytic activities of 1 %, 3 %, and 5 % Mn@Co 3 O 4 /rGO nanocomposites were studied for the degradation of organic pollutant methylene blue. Almost 85.4 %, 90.2 %, and 93.4 % degradation of methylene blue were observed after 80 min with 1 % Mn@Co 3 O 4 /rGO, 3 % Mn@Co 3 O 4 /rGO, and 5 % Mn@Co 3 O 4 /rGO respectively. The prepared nanocomposites followed pseudo-first-order kinetic studies. Among all samples, the 5 % Mn@Co 3 O 4 /rGO showed maximum degradation of 93.4 % in 80 min. Moreover, 5 % Mn@Co 3 O 4 /rGO nanocomposite maintained its excellent dye degradation ability even after three cycles.
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