ArticleJournal of the American Chemical Society2014
Ultrafast charge transfer in nickel phthalocyanine probed by femtosecond Raman-induced Kerr effect spectroscopy.
Article in Journal of the American Chemical Society, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Shell-isolated nanoparticle-enhanced femtosecond stimulated Raman spectroscopy reveals ultrafast molecular dynamics of surface reactions.Nature communications · 2025Article
- A new era of LMCT: leveraging ligand-to-metal charge transfer excited states for photochemical reactions.Chemical science · 2024Review
- Activating the Fluorescence of a Ni(II) Complex by Energy Transfer.Journal of the American Chemical Society · 2024Article
- Photoinduced charge flow inside an iron porphyrazine complex.Chemical communications (Cambridge, England) · 2019Article
- Imaging ultrafast excited state pathways in transition metal complexes by X-ray transient absorption and scattering using X-ray free electron laser source.Faraday discussions · 2016Article
- Ultrafast Excited State Relaxation of a Metalloporphyrin Revealed by Femtosecond X-ray Absorption Spectroscopy.Journal of the American Chemical Society · 2016Article
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Authors and funding
4 authors.
Funding
Abstract
The recently developed technique of femtosecond stimulated Raman spectroscopy, and its variant, femtosecond Raman-induced Kerr effect spectroscopy (FRIKES), offer access to ultrafast excited-state dynamics via structurally specific vibrational spectra. We have used FRIKES to study the photoexcitation dynamics of nickel(II) phthalocyanine with eight butoxy substituents, NiPc(OBu)8. NiPc(OBu)8 is reported to have a relatively long-lived ligand-to-metal charge-transfer (LMCT) state, an essential characteristic for efficient electron transfer in photocatalysis. Following photoexcitation, vibrational transitions in the FRIKES spectra, assignable to phthalocyanine ring modes, evolve on the femtosecond to picosecond time scales. Correlation of ring core size with the frequency of the ν10 (asymmetric C-N stretching) mode confirms the identity of the LMCT state, which has a ∼500 ps lifetime, as well as that of a precursor d-d excited state. An even earlier (∼0.2 ps) transient is observed and tentatively assigned to a higher-lying Jahn-Teller-active LMCT state. This study illustrates the power of FRIKES spectroscopy in elucidating ultrafast molecular dynamics.
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