ZnO and cobalt phthalocyanine hybridized graphene: efficient photocatalysts for degradation of rhodamine B.

ZnO and cobalt phthalocyanine hybridized graphene: efficient photocatalysts for degradation of rhodamine B.
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DOI:
10.1016/j.jcis.2014.04.053
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发表时间:
2014-09-15
影响因子:
9.9
通讯作者:
Luo, Zhiping
Luo, Zhiping
中科院分区:
化学1区
文献类型:
--
作者:
Neelgund, Gururaj M.;Oki, Aderemi;Luo, Zhiping

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采用化学还原法将氧化石墨还原,原位沉积ZnO纳米粒子,制备出石墨烯-ZnO复合高效催化剂。石墨烯-ZnO催化剂能够在暴露于自然阳光下完全降解罗丹明B。此外,石墨烯-ZnO催化剂的催化效率提高敏化钴酞菁。采用UV-vis、ATR-IR和拉曼光谱、粉末XRD和热重分析等方法对石墨烯-ZnO催化剂的形成及其与酞菁钴的进一步增敏进行了表征。使用扫描和透射电子显微镜分析石墨烯-ZnO和石墨烯-ZnO-CoPC催化剂的形态。
A novel method has been developed to synthesize graphene-ZnO composite as a highly efficient catalyst by reduction of graphite oxide and in-situ deposition of ZnO nanoparticles by chemical reduction reaction. The graphene-ZnO catalyst is capable of complete degradation of rhodamine B under exposure to natural sunlight. Further, the catalytic efficiency of graphene-ZnO catalyst was enhanced by sensitizing with cobalt phthalocyanine. The formation of graphene-ZnO pcatalyst and its further sensitization with cobalt phthalocyanine was characterized using UV-vis, ATR-IR and Raman spectroscopy, powder XRD and thermogravimetric analysis. The morphology of both graphene-ZnO and graphene-ZnO-CoPC catalysts was analyzed using scanning and transmission electron microscopes.
沉积在聚(乳酸)接枝碳纳米管上的PD纳米颗粒:在HECK C-C偶联反应中的合成,表征和应用。
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