Photoelectrochemical Two-Dimensional Electronic Spectroscopy (PEC2DES) of Photosystem I: Charge Separation Dynamics Hidden in a Multichromophoric Landscape
Manuel López-Ortiz,
Luca Bolzonello,
Matteo Bruschi
et al.
Abstract:We present a nonlinear
spectroelectrochemical technique to investigate
photosynthetic protein complexes. The PEC2DES setup combines photoelectrochemical
detection (PEC) that selectively probes the protein photogenerated
charges output with two-dimensional electronic spectroscopy (2DES)
excitation that spreads the nonlinear optical response of the system
in an excitation–detection map. PEC allows us to distinguish
the contribution of charge separation (CS) from other de-excitation
pathways, whereas 2DES allows… Show more
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