Non-linear optical properties of organic molecules. Part 20. Calculation of the structure, electronic properties and hyperpolarizabilities of donor–acceptor heterocycles containing sulfur, oxygen and nitrogen

Author(s):  
John O. Morley
ChemInform ◽  
2010 ◽  
Vol 26 (25) ◽  
pp. no-no
Author(s):  
M. G. HUTCHINGS ◽  
I. FERGUSON ◽  
D. J. MCGEEIN ◽  
J. O. MORLEY ◽  
J. ZYSS ◽  
...  

Author(s):  
FRYAD HENARI ◽  
ANDREW DAVEY ◽  
WERNER BLAU ◽  
P. HAISCH ◽  
M. HANACK

The valence electronic properties of some unsubstituted and peripherally substituted oxo-titanium phthalocyanines are reported. Semiempirical quantum chemical calculations show that the nature of peripheral substituents has a strong bearing on the valence electronic properties, including the state dipole moments and absorption wavelength. The non-linear optical response was measured around the the Q-band resonance. The effect of different substituents and substitution patterns on the non-linear behaviour of the samples was determined. The combined results suggest that tuning of electronic and optical properties is effectively achieved by functionalization of the edges of the conjugated ring.


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