Ultrafast photo-induced charge transfer of 1-naphthol and 2-naphthol to halocarbon solvents

Subhajyoti Chaudhuri, Benjamin Rudshteyn, Mirabelle Prémont-Schwarz, Dina Pines, Ehud Pines, Dan Huppert, Erik T.J. Nibbering*, Victor S. Batista

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

We explore the fluorescence quenching of 1-naphthol and 2-naphthol in halocarbon solvents by using time-correlated single-photon-counting, femtosecond IR-spectroscopy and quantum chemistry computations. We find that halocarbon solvents facilitate a de-excitation mechanism via solute-solvent electron transfer. Decay rates are modulated by close contact interactions between the π-electronic structure of naphthols and halocarbon molecules in their first solvation shell. 1-naphthol exhibits faster decay rates than 2-naphthol due to closer interactions with the solvent.

Original languageEnglish
Pages (from-to)49-56
Number of pages8
JournalChemical Physics Letters
Volume683
DOIs
StatePublished - 2017

Keywords

  • DFT
  • Electron donor acceptor interactions
  • Marcus theory
  • Naphthols
  • Photo-induced charge transfer
  • Ultrafast spectroscopy

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