OPTICAL-PROPERTIES OF THE CHARGE-TRANSFER SALTS OF TETRATHIOTETRACENE

被引:8
作者
KAMARAS, K [1 ]
GRUNER, G [1 ]
机构
[1] STATE UNIV GRONINGEN,DEPT PHYS CHEM,GRONINGEN,NETHERLANDS
关键词
D O I
10.1016/0038-1098(79)90076-0
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Powder optical absorption spectra of various tetrathiotetracene (TTT) salts are reported together with solution spectra of neutral and ionized TTT and TTT dimers. Intramolecular transitions are identified by comparing the solid state and solution spectra. The Coulomb correlation energy corresponding to charge fluctuation to TTT is 0.7 eV, independent of stoichiometry and of solid state properties. Complex TTT salts have a low lying optical excitation due to a transition between ionized and neutral molecules. © 1979.
引用
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页码:277 / 281
页数:5
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