Electrochemical characterization of two perylenetetracarboxylic diimides:: Langmuir-Blodgett films and carbon paste electrodes

被引：29
作者：
Parra, V
Del Caño, T
Rodríguez-Méndez, ML
de Saja, JA
Aroca, RF
机构：
[1] Univ Valladolid, Fac Sci, Dept Condensed Matter Phys, E-47011 Valladolid, Spain
[2] Univ Valladolid, ETS Ingn Ind, Dept Inorgan Chem, E-47011 Valladolid, Spain
来源：
CHEMISTRY OF MATERIALS | 2004年 / 16卷 / 02期
关键词：
D O I：
10.1021/cm0347786
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The cyclic voltammograms (CV) of N,N'-bis(propyl)-3,4,9,10-perylenebis(dicarboximide) [PTCDIPr] and NY-bis(neopentyl)-3,4,9,10-perylenebis(dicarboximide)[BNPTCD] in Langmuir-Blodgett (LB) films, in carbon paste electrode (CPE), and in solution for BNPTCD are reported here for the first time. The data allow a comparison of the electrochemical behavior of highly organized LB films with the results obtained on CPE, where the active molecules are randomly dispersed in a carbonaceous matrix. The electrochemical reduction waves indicate the reversible formation of stable radical anions and dianions. The discussion of reduction potentials is integrated with spectroscopic data and the HOMO-LUMO energy positions of both materials obtained from density functional theory computations.
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页码：358 / 364
页数：7
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