Abstract
Abstract Organic electron transfer molecules are of interest for potential use in solar capturing and as model systems for understanding the fundamentals of photo-induced charge transfer. One small model system for photo-induced electron transfer is p-aminobenzoic acid derivatives. The modification of the electron acceptor moiety to halogenate the ester chain and thionation of the ester using Curphey’s regent are reported. The electronic properties are assessed through both computational modeling and spectroscopic measurements. The modifications allow tuning of the spectroscopic properties of the system, shifting absorbance to the red upon formation of the thionester and a concurrent decrease in the fluorescence quantum efficiency.
Published Version
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