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Eco-friendly Synthesis of CRGO and CRGO/SnO2 Nanocomposite for Photocatalytic Degradation of Methylene Green Dye.
ACS Omega ( IF 3.7 ) Pub Date : 2019-12-24 , DOI: 10.1021/acsomega.9b02281 Subramanian Ramanathan 1 , Natarajan Radhika 2 , Dhanasekaran Padmanabhan 1, 3 , Arulappan Durairaj 1 , Steplin Paul Selvin 2 , Sharmila Lydia 2 , Subbiah Kavitha 1 , Samuel Vasanthkumar 1
ACS Omega ( IF 3.7 ) Pub Date : 2019-12-24 , DOI: 10.1021/acsomega.9b02281 Subramanian Ramanathan 1 , Natarajan Radhika 2 , Dhanasekaran Padmanabhan 1, 3 , Arulappan Durairaj 1 , Steplin Paul Selvin 2 , Sharmila Lydia 2 , Subbiah Kavitha 1 , Samuel Vasanthkumar 1
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Reduced graphene oxide (rGO) was synthesized from a simple, cost-effective, and eco-friendly method by using Capsicum annuum (CA) as reducing agent. The rGO was mixed with SnO2 to synthesize a nanocomposite. The synthesized materials were characterized by Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscopy, and UV-visible spectroscopy techniques. The SnO2-C. annuum reduced graphene oxide (CRGO) nanocomposite exhibited a photodegradation efficiency of 97.4% when employed to remove methylene green (MG) dye. The synthesized nanocomposite showed improved photodegradation ability due to its high charge transfer and separation and owing to the presence of the large surface area of the CRGO network system. Degraded water was used in the plant and animal survival study, in which the dye solution treated with CRGO nanocomposite exhibited better growth compared to that of untreated MG solution. Likewise, in the ecotoxicity study, Artemia salina and zebra fish (Danio rerio) survival was found to be enhanced with CRGO nanocomposite-treated dye solution. This finding supports the effectiveness of CRGO/SnO2 nanocomposite for the treatment of MG dye-contaminated effluent samples.
中文翻译：
环保合成CRGO和CRGO / SnO2纳米复合材料用于亚甲基绿染料的光催化降解。
还原的氧化石墨烯（rGO）是使用辣椒（CA）作为还原剂，通过简单，经济高效且环保的方法合成的。将rGO与SnO2混合以合成纳米复合材料。合成材料通过傅里叶变换红外光谱，X射线衍射，扫描电子显微镜和紫外可见光谱技术进行表征。SnO2-C。当用于还原亚甲基绿（MG）染料时，环氧化还原的氧化石墨烯（CRGO）纳米复合材料表现出97.4％的光降解效率。合成的纳米复合材料由于其高的电荷转移和分离作用以及由于CRGO网络系统的较大表面积而表现出改善的光降解能力。降解水用于动植物的生存研究，其中，CRGO纳米复合材料处理的染料溶液比未处理的MG溶液显示出更好的生长。同样，在生态毒性研究中，发现CRGO纳米复合材料处理的染料溶液可提高卤虫和斑马鱼（达尼奥雷尼奥）的存活率。这一发现支持了CRGO / SnO2纳米复合材料在处理被MG染料污染的废水样品中的有效性。
更新日期：2020-01-14
中文翻译：
环保合成CRGO和CRGO / SnO2纳米复合材料用于亚甲基绿染料的光催化降解。
还原的氧化石墨烯（rGO）是使用辣椒（CA）作为还原剂，通过简单，经济高效且环保的方法合成的。将rGO与SnO2混合以合成纳米复合材料。合成材料通过傅里叶变换红外光谱，X射线衍射，扫描电子显微镜和紫外可见光谱技术进行表征。SnO2-C。当用于还原亚甲基绿（MG）染料时，环氧化还原的氧化石墨烯（CRGO）纳米复合材料表现出97.4％的光降解效率。合成的纳米复合材料由于其高的电荷转移和分离作用以及由于CRGO网络系统的较大表面积而表现出改善的光降解能力。降解水用于动植物的生存研究，其中，CRGO纳米复合材料处理的染料溶液比未处理的MG溶液显示出更好的生长。同样，在生态毒性研究中，发现CRGO纳米复合材料处理的染料溶液可提高卤虫和斑马鱼（达尼奥雷尼奥）的存活率。这一发现支持了CRGO / SnO2纳米复合材料在处理被MG染料污染的废水样品中的有效性。
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