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Title: Optical nonlinearities of organometallic structures: Aryl and vinyl derivatives of ferrocene

Journal Article · · Journal of Physical Chemistry; (USA)
DOI:https://doi.org/10.1021/j100370a023· OSTI ID:6635875

With an objective to understand the nonlinear optical properties of organometallic structures, various aryl and vinyl derivatives of ferrocene were synthesized and their nonlinear optical properties were investigated by using degenerate four-wave mixing. The molecular second hyperpolarizability {gamma} increases strongly with the length of the conjugated {pi}-electron system. The results show that the effective conjugation is determined predominantly by the length of the aryl-vinyl system; the contribution from the ferrocenyl group is less significant. The d-d resonance of the metal in the ferrocene unit does not appear to make an important contribution to optical nonlinearity. The experimental results on ferrocene are compared with those from a recent theoretical study using semiempirical calculations.

OSTI ID:
6635875
Journal Information:
Journal of Physical Chemistry; (USA), Vol. 94:7; ISSN 0022-3654
Country of Publication:
United States
Language:
English