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	有机物单层分散在相关材料制备中的应用; Applications of Monolayer-Dispersed Organic Compounds in the Preparation of Related Materials
	王羽 ; 蒋骏骢 ; 朱月香 ; 谢有畅
	2012
关键词	单层分散 材料制备 碳/氧化物复合物 高比表面积氧化物 相变 中孔碳材料 Monolayer dispersion Material preparation Carbon/oxide composite High-specificsurface-area oxide Phase transformation Mesoporous carbon material
英文摘要	与无机氧化物和盐类在载体表面自发单层分散相类似,许多有机物也可以在载体表面自发单层分散.有机物在载体表面单层分散行为和分散后的存在状态与有机物分子形状和结构特点及载体表面性质和孔结构有关.利用有机物在载体表面的单层分散,可以设计制备具有优异性能的材料.本文简要综述了近年来这方面研究工作取得的相关进展,主要介绍了有机物单层分散在碳/氧化物复合物、氧化物和薄壁中孔碳材料的制备和织构调控方面的一些应用实例.单层分散的有机物热分解后可在载体表面形成均匀的薄碳层,以无机多孔氧化物为载体可制备出包覆均匀碳薄层的碳/氧化物复合物,这种碳/氧化物复合物在染料吸附、催化剂载体和光催化方面显现出好的性能.以溶胶-...; Many organic compounds will spontaneously disperse on the surface of a solid support to form monolayers, in a manner similar to that of inorganic salts and oxides, and numerous materials with useful properties can be designed and prepared based on this phenomenon. The dispersion behavior and orientation of organic compounds in monolayers depend not only on the molecular structure of organic compounds but also on the surface features and pore structure of the support. This short review summarizes the applications of monolayer-dispersed organic compounds in the preparation and texture control of related materials, including carbon/oxide composites, various other oxides, and mesoporous carbon with thin pore walls. Pyrolysis of organic monolayers can be used to prepare carbon/oxide composites with a uniformly thin carbon layer for use as photocatalysts, catalyst supports, and adsorbents for dyes. During the sol-gel preparation of porous oxides, organic monolayers can also prevent the aggregation of sol particles, thus producing oxides with high specific surface areas and adjustable pore volumes; gamma-Al2O3 with a specific surface area as high as 506 m(2).g(-1) can be prepared in this manner. During calcining under an inert atmosphere, the carbon layer in the aforementioned carbon/oxide composites can significantly inhibit the phase transformation of oxides. Calcining carbon/gamma-Al2O3 in oxygen at high temperatures, however, results in a rapid gamma to a phase transformation. The oxides in these composites can also act as templates for the preparation of carbon materials. Dissolving the support oxides is a convenient method for the preparation of mesoporous carbon materials with high specific surface areas, large pore volumes, high mesopore ratios, and thin pore walls. The morphology and size distribution of pores in these carbon materials can be controlled by choosing oxides with different textures.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000310181300013&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; SCI(E); 中文核心期刊要目总览(PKU); 中国科技核心期刊(ISTIC); 中国科学引文数据库(CSCD); 0; 10; 2327-2335; 28
语种	中文
出处	SCI ; 万方 ; 知网
出版者	物理化学学报
内容类型	其他
源URL	[http://hdl.handle.net/20.500.11897/79728]
专题	化学与分子工程学院
推荐引用方式 GB/T 7714	王羽,蒋骏骢,朱月香,等. 有机物单层分散在相关材料制备中的应用, Applications of Monolayer-Dispersed Organic Compounds in the Preparation of Related Materials. 2012-01-01.

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