Chemistry Reference
In-Depth Information
Fig. 12 Molecular structures of chl
a
(R
¼
CH
3
), chl
b
(R
¼
CHO), and Zn(II)porphyrin derivative
investigated by Desormeaux and coworkers (from [
36
])
Fig. 13 Molecular structures of the sensitizing dyes employed by Gervaldo and coworkers (from
[
40
])
investigated in the attempt to clarify the influence of molecular packing and
intermolecular interactions on the cell performances. It was demonstrated that the
central metal atom plays a crucial role as for the values of quantum yields of
sensitized photocurrent generation are concerned. The derivative metallated with
Pd(II) exhibited the highest quantum yields in both kinds of cells; in particular, the
photocurrent quantum yields intensify when the porphyrin ground state oxidation
potential becomes more anodic.
Ogi et al. considered that the architectures of LB films at the nanoscale level
allow the investigations on interlayer electron transfer and energy transfer and to
