Preparation and characterization of Ni(dpedt)(pddt) and Ni(dpedt)(pddt)•CS2, where dpedt is diphenylethylenedithiolate and pddt is 6,7-dihydro-5H-1,4-dithiepin-2,3-dithiolate

被引:5
作者
Anyfantis, George C. [1 ]
Papavassiliou, George C. [1 ]
Terzis, Aris [2 ]
Raptopoulou, Catherine P. [2 ]
Psycharis, Vassilis [2 ]
Paraskevopoulou, Patrina [3 ]
机构
[1] Natl Hellen Res Fdn, Inst Theoret & Phys Chem, Athens 11635, Greece
[2] NCSR, Inst Mat Sci, Athens 15310, Greece
[3] Panepistimioupoli Zografou, Fac Chem, Dept Inorgan Chem, Athens 15771, Greece
关键词
Metal 1,2-dithiolenes; Crystal structure; Optical properties; Redox properties; METAL-DITHIOLENE COMPLEXES; NICKEL 1,2-DITHIOLENE COMPLEXES; FIELD-EFFECT TRANSISTORS; MOLECULAR-METALS; DYES; M=NI; ABSORPTION; M(DMIT)(2); R; R'TIMDT; ELECTRON;
D O I
10.1016/j.poly.2009.11.014
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The unsymmetrical nickel 1,2-dithiolene complex based oil diphenylethylenedithiolate (dpedt) and 6,7-dihydro-5H-1,4-dithiepin-2,3-dithiolate (pddt) was prepared and characterized Depending on the conditions of crystallization, it is possible to obtain the complex in two different crystalline forms X-ray structure studies recognize these forms as Ni(dpedt)(pddt) and Ni(dpedt)(pddt) CS2 The experimental optical and electrochemical parameters are in a good agreement with the calculated ones. using the corresponding parameters of the symmetrical complexes. Ni(dpedt)(2) and Ni(pddt)(2). The HOMO and LUMO energy levels, obtained from optical and electrochemical measurements, are very close to the Fermi energy of (metallic) Au The chemical and electrochemical properties of both forms showed that they ale stable in air and could be candidate materials for optics and electronics (C) 2009 Published by Elsevier Ltd.
引用
收藏
页码:969 / 974
页数:6
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