Merocyanine LB film

Enhancement of Photocurrents in Merocyanine LB Film Cell Utilizing Surface Plasmon Polariton Excitations... 

Key words surface plasmon polariton, attenuated total reflection method, pbotocurrent, merocyanine LB film, optical absorption. 

INFRARED AND VISIBLE ABSORPTION SPECTROSCOPY STUDIES ON J- AND H-AGGREGATES IN LB FILMS OF MEROCYANINE DYE... 

To illustrate the potential of LB films in nonlinear optics, two examples will be given to illustrate both quadratic- and cubic-order effects. The motivation for the first example came from early accounts of nonlinearity in a specific merocyanine dye molecule (49). No good crystals of this material are available, but an extremely large value of P was predicted on the basis of measurements with powdered samples. The reliability of such data is not high because powder efiSciency is a function of particle size distributions. The initial experiments were with a simple merocyanine dye alternated with o)-TA. However, the best results (50) were obtained by using organic superlattices based on the two molecules shown by Structures 4. la and 4. lb. 

In this study, short-circuit photocurrents (Isc) have been investigated for merocyanine (MC) LB film photoelectric cells having the ATR configurations. 

Merocyanine (MC) LB films of the Y-type were deposited using the conventional vertical dipping method [9]. Since MC dyes exhibit p-type conduction, the Schottky and Ohmic contacts are obtained at the interfaces between the MC LB film and Aluminum (MC/Al) and between the LB film and Silver (MC/Ag), respectively. In this study, Schottky photoelectric cell was constructed as the ATR sample. 

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