CALCULATIONS OF THE ELECTRONIC-SPECTRA AND HYPERPOLARIZABILITIES OF SELECTED DYES AND PIGMENTS

被引:57
作者
MORLEY, JO [1 ]
PUGH, D [1 ]
机构
[1] UNIV STRATHCLYDE, DEPT PURE & APPL CHEM, GLASGOW G1 1XL, SCOTLAND
来源
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1991年 / 87卷 / 18期
关键词
D O I
10.1039/ft9918703021
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
A method has been developed for the calculation of the spectra and hyperpolarisability tensor for the linear electro-optic effect at the CNDO/S level of approximation using a sum-over-states procedure with singly excited states. A wide range of dyes and pigments have been studied to assess their potential as non-linear optical materials using both static-field and frequency-dependent values. Conjugated systems containing strong donors and acceptors positioned at either end of the conjugation path show the largest intrinsic effects. Substantial resonance enhancement effects occur for molecules such as azobenzenes and azoheterocycles which absorb in the red or infrared region of the spectrum.
引用
收藏
页码:3021 / 3025
页数:5
相关论文
共 22 条
[1]  
[Anonymous], CAMBRIDGE STRUCTURAL
[2]  
CAHILL PA, 1989, OPT LETT, V20, P1137
[3]  
CHELMA DS, 1987, NONLINEAR OPTICAL PR
[4]  
CHEMLA DS, 1987, NONLINEAR OPTICS ORG
[5]   THE CONTRIBUTION OF PI-ELECTRONS TO 2ND HARMONIC-GENERATION IN ORGANIC-MOLECULES [J].
DIRK, CW ;
TWIEG, RJ ;
WAGNIERE, G .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1986, 108 (18) :5387-5395
[6]   CALCULATION OF THE 2ND-ORDER ELECTRONIC POLARIZABILITIES OF SOME ORGANIC-MOLECULES .1. [J].
DOCHERTY, VJ ;
PUGH, D ;
MORLEY, JO .
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS II, 1985, 81 (AUG) :1179-1192
[7]  
FABIAN J, 1980, LIGHT ABSORPTION ORG
[8]  
Griffiths J., 1981, REV PROG COLORATION, V11, P37, DOI DOI 10.1111/J.1478-4408.1981.TB03714.X
[9]   ORIGIN OF THE NON-LINEAR 2ND-ORDER OPTICAL SUSCEPTIBILITIES OF ORGANIC-SYSTEMS [J].
LALAMA, SJ ;
GARITO, AF .
PHYSICAL REVIEW A, 1979, 20 (03) :1179-1194
[10]   MOLECULAR AND MACROMOLECULAR NONLINEAR OPTICAL-MATERIALS - PROBING ARCHITECTURE ELECTRONIC-STRUCTURE FREQUENCY DOUBLING RELATIONSHIPS VIA AN SCF-LCAO MECI -PI ELECTRON FORMALISM [J].
LI, DQ ;
RATNER, MA ;
MARKS, TJ .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1988, 110 (06) :1707-1715