Note:
For @[email protected] charge transfer in the @[email protected], several models are discussed in the literature based on the molecular structure of the final state reached upon photo-induced ICT: @[email protected] (PICT) or @[email protected] (TICT). For example, an ICT has been proposed to be responsible for the strongly @[email protected] additional @[email protected] band in fluorescent molecules with two @[email protected] bands (@[email protected] molecules).