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用键参数函数法研究石墨层间化合物(GIC)的形成规律
A Study of Laws of Forming Graphite Intercalation Compound(GIC) by the Method of Chemical Bond Parameter Function
【摘要】 从化学键理论出发,利用键参数函数Φ[(z/rk)M,XM,(z/rk)C,XC]研究了气相条件下金属插入石墨层间形成施主型石墨层间化合物(GIC)的规律,包括金属的插入能力、插入剂的价态、电荷转移、一阶GIC的结构等。并提出用相对插入指数I来表征金属元素插入石墨的难易程度,结合键参数图总结了气相条件下施主型GIC的形成规律,很好地解释了一些实验事实,还得到了一些尚无实验报道的预期结果。
【Abstract】 On the basis of the chemical bond theory,the laws of synthesizing donor graphite intercalation compound (GIC) by intercalating metals into graphite under gas phase conditions are studied by choosing a chemical bond parameter function,Φ[(Z/r k),X M,(z/r k) C,X C],,which includes the intercalating capacity of metals,valence state of intercalates,charge transfer and structure of the 1st stage GIC.Meanwhile,a relative index of intercalation (I) is proposed to characterize the probability of intercalating certain metals into graphite.Laws forming of donor GIC under gas phase conditions are summed up by the chemical bond parameter figure and the relative index,and some experimental facts are interpreted fairly well.Moreover,some desired results with no experimental report are described in the paper.
【Key words】 The chemical bond parameter function; gas phase conditions; donor graphite intercalation compound; relative index of intercalation;
- 【文献出处】 哈尔滨工业大学学报 ,JOURNAL OF HARBIN INSTITUTE OF TECHNOLOGY , 编辑部邮箱 ,1997年06期
- 【分类号】O641.1
- 【被引频次】4
- 【下载频次】68