Conductors,semiconductors and Insulators Conduction LUMO:the Lowest band CB CB Unoccupied MO Band 最低空轨道 g叩 % 带隙 VB HOMO:the Highest Valence VB band Occupied MO Metal Semiconductor Insulator 最高占有轨道 Copyright 2009 Pearson Prentice Hall,inc 导带 空带 空带 Most antibonding 000o 价带 价带 导体 半导体 绝缘体 Many Number of interacting atomsConductors, semiconductors and Insulators Conduction band Valence band Band gap LUMO: the Lowest Unoccupied MO HOMO: the Highest Occupied MO 带隙 最低空轨道 最高占有轨道