Single-Molecule Spectroscopy Selectively Probes Donor and Acceptor Chromophores in the Phycobiliprotein Allophycocyanin

The intramolecular charge transfer in a

The intramolecular charge transfer in a donor–π–acceptor dianion probed by resonance Raman spectroscopy and quantum chemical calculations

✍ Rômulo A. Ando; Antonio C. Borin; Paulo S. Santos 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 129 KB

## Abstract The dideprotonation of 4‐(4‐nitrophenylazo)resorcinol generates an anionic species with substantial electronic π delocalization. As compared to the parent neutral species, the anionic first excited electronic transition, characterized as an intramolecular charge transfer (ICT) from the