Synthesis and characterization of a covalently bound self-assembled macrocycle monolayer thin film for nonlinear optical materials

Alexander DeQuan Li; Basil I. Swanson; Jeanne M. Robinson; Mark A. Hoffbauer

doi:10.1117/12.58116

1 April 1992 Synthesis and characterization of a covalently bound self-assembled macrocycle monolayer thin film for nonlinear optical materials

Alexander DeQuan Li, Basil I. Swanson, Jeanne M. Robinson, Mark A. Hoffbauer

Author Affiliations +

Proceedings Volume 1626, Nonlinear Optics III; (1992) https://doi.org/10.1117/12.58116
Event: OE/LASE '92, 1992, Los Angeles, CA, United States

Abstract

Synthesis and characterization of covalently bound self-assembled 5,10,15,20-Tetra(4- pyridyl)-21H,23H-porphine (TPyP) monolayer superlattices on various oxide surfaces such as fused silica, glass or silicon are described. The monomolecular thin film structures are characterized by UV-visible ((lambda) _max equals 447 nm) and FTIR-ATR spectroscopy. In addition, x-ray photoelectron spectroscopy (XPS) and secondary ion mass spectroscopy (SIMS) studies are used to confirm the formation of a self-assembled monolayer on the fused- silica surface. Attractive features in these complexes are their second-order nonlinear optical properties, which are enhanced by the completely delocalized (pi) -electrons. Second harmonic generation measurements have been used to determine the uniformity of the film, the relative and absolute magnitudes of nonzero elements of the nonlinear susceptibility, (Chi) ⁽²), and the average molecular orientation of the chromophores.

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Alexander DeQuan Li, Basil I. Swanson, Jeanne M. Robinson, and Mark A. Hoffbauer "Synthesis and characterization of a covalently bound self-assembled macrocycle monolayer thin film for nonlinear optical materials", Proc. SPIE 1626, Nonlinear Optics III, (1 April 1992); https://doi.org/10.1117/12.58116

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