Green Preparation of Few‐Layer Graphene Sheet Materials Using Naturally Occurring Calcium Carbonate and Plant Leaves,ChemistrySelect

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Green Preparation of Few‐Layer Graphene Sheet Materials Using Naturally Occurring Calcium Carbonate and Plant Leaves
ChemistrySelect ( IF 1.9 ) Pub Date : 2020-07-02 , DOI: 10.1002/slct.202000731
Baoyan Xing _{1,

2} , Jianguo Zhao _{1,

2} , Qiliang Pan _{1,

2} , Hui Yang ₂ , Lihua Wang ₂ , Wenshan Qu ₂ , Ling Gu ₂ , Haiqing Wang ₂ , Peide Han ₁ , Guibin Ma ₂

Affiliation

Graphene sheets were prepared by calcination of calcium carbonate with plant leaves under the protection of an argon gas atmosphere. This is an environmentally friendly approach to produce graphene. Calcium carbonate decomposes with the evolution of carbon dioxide at high temperature, which is reduced into graphene by the magnesium from plant leaves. The formation mechanism of graphene is discussed in detail. The synthesized graphene sheets were characterized by scanning electron microscopy (SEM), X‐ray diffraction (XRD), and Raman spectroscopy. Calcium carbonate and plant leaves are readily available and inexpensive natural resources, and this new methodology can be applied for large‐scale graphene production in industry.

中文翻译：

用天然碳酸钙和植物叶片绿色制备几层石墨烯片材

石墨烯片材是通过在氩气保护下用植物叶片煅烧碳酸钙而制备的。这是生产石墨烯的环保方法。碳酸钙在高温下随着二氧化碳的释放而分解，并被植物叶片中的镁还原成石墨烯。详细讨论了石墨烯的形成机理。合成的石墨烯片通过扫描电子显微镜（SEM），X射线衍射（XRD）和拉曼光谱进行表征。碳酸钙和植物叶片是现成的廉价自然资源，这种新方法可用于工业中的大规模石墨烯生产。

更新日期：2020-07-02

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