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Construction of Novel Metal-Free Graphene Oxide/Graphitic Carbon Nitride Nanohybrids: A 2D–2D Amalgamation for the Effective Dedyeing of Waste Water
Journal of Inorganic and Organometallic Polymers and Materials ( IF 4 ) Pub Date : 2020-09-01 , DOI: 10.1007/s10904-020-01728-x
Kasirajan Prakash , Swaminathan Karuthapandian

In this present study, we have reported a novel metal-free graphene oxide/graphitic carbon nitride (GO/g-C3N4) 2D/2D hybrid heterojunction for the removal of hazardous organic contaminants in aqueous solution under visible light embellishment. The reported photocatalyst was prepared by the combined ultrasonic dispersion method and thoroughly investigated by several spectral and microscopic studies viz FT-IR, p-XRD, SEM with EDX, TEM, XPS Photoluminescence etc., The photocatalytic activity of GO/g-C3N4 nanohybrids much outperformed than pristine g-C3N4 sample in the photodegradation of Rhodamine B and crystal violet organic pollutants. The enhanced synergistic effect of GO/g-C3N4 is mainly due to the proficient separation of photogenerated electron–hole pairs and tuned band gap with unique morphology. The major active species was determined by radical quenching experimental results with employing different scavengers. In this article, designates that the metal-free hybrid hetrojunction photocatalyst was a hopeful material in the waste-water control.



中文翻译:

新型无金属氧化石墨烯/石墨化碳氮化物纳米混合体的构建:用于废水有效染色的2D–2D融合

在本研究中,我们报道了一种新型的无金属氧化石墨烯/石墨碳氮化物(GO / gC 3 N 4)2D / 2D杂化异质结,用于在可见光点缀下去除水溶液中的有害有机污染物。所报告的光催化剂是通过将合并的超声波分散方法制备的,并通过若干频谱和显微镜研究即FT-IR,对XRD,SEM与EDX,TEM,XPS光致发光等彻底调查。, GO / GC的光催化活性3 Ñ 4纳米杂种比原始gC 3 N 4表现要好得多样品中的罗丹明B和结晶紫有机污染物被光降解。GO / gC 3 N 4增强的协同作用主要是由于光生电子-空穴对的分离以及具有独特形态的调谐带隙的有效分离。通过使用不同的清除剂进行自由基猝灭实验结果确定了主要的活性物质。在本文中,表明无金属杂化异质结光催化剂是废水控制中的一种有希望的材料。

更新日期:2020-09-01
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