. 2013 Mar 20;3:1496. doi: 10.1038/srep01496

Table 3. Electron lifetime from the IMVS results of DSSC cells prepared using the Normal films and the TiO₂ photo-electrode films with different acetylene-black concentrations.

TiO₂ photo-electrode films	Normal	0.5 wt%	1.5 wt%	2.0 wt%
f_max (Hz) (Frequency)	0.1711	0.1585	0.1468	0.1711
τ_r (Electron lifetime, s)	0.93	1.00	1.72	0.93

Table 3. Electron lifetime from the IMVS results of DSSC cells prepared using the Normal films and the TiO2 photo-electrode films with different acetylene-black concentrations.