Excited-State Dynamics in 4-[4′(Dimethylamino)styryl]pyridine, a Photobase: Role of Photoinitiated Proton-Coupled Electron Transfer
Reshma Mathew,
Preetika Verma,
Arvind Barak
et al.
Abstract:The photoinitiated proton-coupled electron transfer (PCET)
process
in photoacid-based adducts is predominantly governed by the evolution
of the electron–proton transfer state. However, such a process
is underexplored in the case of photobases as the excited states evolve
through multiple competitive channels. Here, we elucidate the excited-state
dynamics of a photobase, 4-[4′-(dimethylamino)styryl]pyridine
(DMASP), in the presence of hexafluoroisopropanol (HFIP) that enables
PCET. Transient absorption measur… Show more
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