ANALYSIS OF THE ELECTRONIC-STRUCTURE OF POLYACETYLENE BASED ON ITS OPTICAL-ABSORPTION SPECTRA

被引:24
作者
KOBRYANSKY, VM
TERESHKO, EA
机构
[1] Institute of Chemical Physics, U.S.S.R. Academy of Sciences, Moscow
关键词
D O I
10.1016/0379-6779(91)91763-Z
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A comparison of the characteristics of the electronic absorption spectra for polyacetylene (PA) prepared by different methods has been carried out. The comparison shows that the concentration of PA molecules (or their fragments) with a bandgap of different widths depends mainly on the crystalline structure and morphology of PA as well as on the concentration of conformational and chemical defects in the macromolecules. The dependence on chain length is evident only for low-molecular weight samples.
引用
收藏
页码:367 / 378
页数:12
相关论文
共 36 条
[1]  
ALDISSI M, 1984, J CHEM SOC CHEM COMM, V20, P1347
[2]   CORRELATIONS AND DEFECT ENERGIES [J].
BAERISWYL, D ;
CAMPBELL, DK ;
MAZUMDAR, S .
PHYSICAL REVIEW LETTERS, 1986, 56 (14) :1509-1509
[3]   SYNTHESIS OF POLYACETYLENE BLOCK GRAFT-COPOLYMERS [J].
BAKER, GL ;
BATES, FS .
MACROMOLECULES, 1984, 17 (12) :2619-2626
[4]   HIGH ELECTRICAL-CONDUCTIVITY IN DOPED POLYACETYLENE [J].
BASESCU, N ;
LIU, ZX ;
MOSES, D ;
HEEGER, AJ ;
NAARMANN, H ;
THEOPHILOU, N .
NATURE, 1987, 327 (6121) :403-405
[5]   POLYACETYLENE SINGLE-CRYSTALS [J].
BATES, FS ;
BAKER, GL .
MACROMOLECULES, 1983, 16 (06) :1013-1015
[6]   THE CRYSTAL-STRUCTURE OF TRANS,TRANS-1,3,5,7-OCTATETRAENE AS A MODEL FOR FULLY-ORDERED TRANS-POLYACETYLENE [J].
BAUGHMAN, RH ;
KOHLER, BE ;
LEVY, IJ ;
SPANGLER, C .
SYNTHETIC METALS, 1985, 11 (01) :37-52
[7]   KONSTITUTION UND LICHTABSORPTION .8. DARSTELLUNG UND LICHTABSORPTION VON DIMETHYL-POLYENEN [J].
BOHLMANN, F ;
MANNHARDT, HJ .
CHEMISCHE BERICHTE-RECUEIL, 1956, 89 (05) :1307-1315
[8]   ABINITIO EFFECTIVE HAMILTONIAN STUDY OF THE ELECTRONIC-PROPERTIES OF CONJUGATED POLYMERS [J].
BREDAS, JL ;
CHANCE, RR ;
BAUGHMAN, RH ;
SILBEY, R .
JOURNAL OF CHEMICAL PHYSICS, 1982, 76 (07) :3673-3678
[9]   SYNTHESIS OF HIGHLY CONDUCTING FILMS OF DERIVATIVES OF POLYACETYLENE, (CH)X [J].
CHIANG, CK ;
DRUY, MA ;
GAU, SC ;
HEEGER, AJ ;
LOUIS, EJ ;
MACDIARMID, AG ;
PARK, YW ;
SHIRAKAWA, H .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1978, 100 (03) :1013-1015
[10]   ANISOTROPY OF THE DIELECTRIC-CONSTANT OF POLYACETYLENE [J].
DEVREUX, F ;
DORY, I ;
MIHALY, L ;
PEKKER, S ;
JANOSSY, A ;
KERTESZ, M .
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, 1981, 19 (05) :743-747