Preparation and photochemical properties of p-phenylene oligomers encapsulated within faujasite Y

Literature Information

Publication Date 2003-12-16
DOI 10.1039/B314477A
Impact Factor 3.676
Authors

Mercedes Álvaro, Belén Ferrer, Hermenegildo García, Antonio Leyva


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Abstract

Phenylene oligomers have been prepared by ship-in-a-bottle synthesis inside palladium containing basic zeolites by homocoupling of 1,4-phenylenediboronic acid. Product analysis and “in situ” IR spectroscopy support the formation of oligomers of three to five phenylene rings. The encapsulated oligomers emit the characteristic blue light upon excitation and laser flash photolysis reveals the formation of long-lived transient decaying in hundreds of μs that has been attributed to the corresponding triplet excited state.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
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