ELECTROCHEMISTRY OF THE LIQUID-CRYSTAL N-(P-METHOXYBENZYLIDENE)-P-N-BUTYLANILINE (MBBA) - ROLE OF ELECTRODE-REACTIONS IN DYNAMIC SCATTERING

被引:29
作者
LOMAX, A
BARD, AJ
HIRASAWA, R
机构
关键词
CHEMICAL REACTIONS - Redox - ELECTROCHEMISTRY - ELECTRODES;
D O I
10.1149/1.2404069
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
The electrochemical reduction and oxidation of MBBA were studied by cyclic voltammetry and by controlled potential coulometry. The reduction in DMF leads to the formation of the radical anion which decomposes with a half-life of about 4 sec, apparently by both ec and ece pathways. The oxidation product was unstable on the time scale of this study. The possible importance of electrode reactions in interpreting the dynamic scattering phenomenon in nematic liquid crystals is suggested.
引用
收藏
页码:1679 / +
页数:1
相关论文
共 24 条
[1]   DIMERIZATION, DISPROPORTIONATION AND ECE MECHANISMS IN REDUCTION OF IMINES IN ACETONITRILE AND DIMETHYL-FORMAMIDE [J].
ANDRIEUX, CP ;
SAVEANT, JM .
JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1971, 33 (02) :453-&
[2]   STEADY STATE OF A NEMATIC LIQUID ABOVE THRESHOLD FOR DYNAMIC SCATTERING [J].
ASLAKSEN, EW .
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 1971, 15 (02) :121-&
[3]   ELECTRONIC CONDUCTION IN AQUEOUS SOLUTION [J].
DAHMS, H .
JOURNAL OF PHYSICAL CHEMISTRY, 1968, 72 (01) :362-&
[4]   ELECTROGENERATED CHEMILUMINESCENCE .I. MECHANISM OF ANTHRACENE CHEMILUMINESCENCE IN N,N-DIMETHYLFORMAMIDE SOLUTION [J].
FAULKNER, LR ;
BARD, AJ .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1968, 90 (23) :6284-&
[5]  
Felich N., 1969, Revue Generale de l'Electricite, V78, P717
[6]  
Goldberg IB, 1971, J PHYS CHEM-US, V75, P3281
[7]   CORRELATION BETWEEN ELECTRICAL PROPERTIES AND OPTICAL BEHAVIOUR OF NEMATIC LIQUID CRYSTALS [J].
GRULER, H ;
MEIER, G .
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 1971, 12 (04) :289-&
[8]   DYNAMIC SCATTERING - A NEW ELECTROOPTIC EFFECT IN CERTAIN CLASSES OF NEMATIC LIQUID CRYSTALS [J].
HEILMEIER, GH ;
ZANONI, LA ;
BARTON, LA .
PROCEEDINGS OF THE INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, 1968, 56 (07) :1162-+
[9]   FURTHER STUDIES OF DYNAMIC SCATTERING MODE IN NEMATIC LIQUID CRYSTALS [J].
HEILMEIER, GH ;
ZANONI, LA ;
BARTON, LA .
IEEE TRANSACTIONS ON ELECTRON DEVICES, 1970, ED17 (01) :22-+
[10]   CONDUCTION-INDUCED ALIGNMENT OF NEMATIC LIQUID CRYSTALS - BASIC MODEL AND STABILITY CONSIDERATIONS [J].
HELFRICH, W .
JOURNAL OF CHEMICAL PHYSICS, 1969, 51 (09) :4092-&