摘要
层状物质可分为两类 :第一类是层结构由范德华力维持 ;第二类是层结构由库仑力维持。前者包括石墨、金属硫化物等 ;后者包括层状硅酸盐、金属双氢氧化物等。它们层间存在可交换的离子。具有多种功能特征 :如择形催化作用、热稳定性、用做锂电池材料和超导材料等。
Layered materials can be divided into two classes: the first maintains the layered framework by Van der Waals force; and the second by the coulombs. The former includes graphite, metallic disulfide, etc; and the latter consists of layered silicate, metallic double hydroxide etc. There are exchangeable ions between the layers. Layered compounds have many functional characteristics, such as shape selecting catalysis, heat stability, and can be used in lithium batteries, superconducting materials and etc.
