Graphene-based nanomaterials as heterogeneous acid catalysts: a comprehensive perspective.
Graphene-based nanomaterials as heterogeneous acid catalysts: a comprehensive perspective.
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DOI：
10.3390/molecules190914582
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发表时间：
2014-09-15
期刊：
影响因子：
--
通讯作者：
Ling YC
中科院分区：
文献类型：
--
作者：
Garg B;Bisht T;Ling YC
酸催化是非常普遍的，可能是世界范围内工业过程和研究实验室中最常规的操作之一。近年来，“石墨烯”作为一种具有六方晶格结构的二维单层碳片，模拟纳米材料，在各种酸催化反应中显示出巨大的替代性和环境友好的固体碳催化剂潜力。由于其特殊的物理，化学和机械性能，石墨烯基纳米材料（G-NM）提供高度稳定的布朗斯台德酸性位点，高传质，相对大的表面积，耐水性，方便的可回收性以及可再循环性，同时在酸催化的化学反应中保持高活性。本文综述了G-NM的化学性质，包括其合成、表征、性质、功能化以及在多相酸催化中的最新应用。与此一致，在某些情况下，读者可以在本文中发现一些批评，这些批评应该被视为建设性的，并且在理解利用石墨烯及其衍生物的当前方法的范围和限制方面将是有价值的。
Acid catalysis is quite prevalent and probably one of the most routine operations in both industrial processes and research laboratories worldwide. Recently, “graphene”, a two dimensional single-layer carbon sheet with hexagonal packed lattice structure, imitative of nanomaterials, has shown great potential as alternative and eco-friendly solid carbocatalyst for a variety of acid-catalyzed reactions. Owing to their exceptional physical, chemical, and mechanical properties, graphene-based nanomaterials (G-NMs) offer highly stable Brønsted acidic sites, high mass transfer, relatively large surface areas, water tolerant character, and convenient recoverability as well as recyclability, whilst retaining high activity in acid-catalyzed chemical reactions. This comprehensive review focuses on the chemistry of G-NMs, including their synthesis, characterization, properties, functionalization, and up-to-date applications in heterogeneous acid catalysis. In line with this, in certain instances readers may find herein some criticisms that should be taken as constructive and would be of value in understanding the scope and limitations of current approaches utilizing graphene and its derivatives for the same.
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