Table 1 Electrochemical parameters made from BGr0, BGr0.5, BGr1, BGr1.5, BGr2, Gr, and Pt CEs; and the photovoltaic properties of DSSCs based on the above CEs
CEs | V oc (V) | J sc (mA cm−2) | FF | η% | R s (Ω) | R ct (Ω) | IPCE (%) |
---|---|---|---|---|---|---|---|
BGr0 | 0.364 | 3.80 | 0.159 | 0.22 | 8.77 | — | 8.3 |
BGr0.5 | 0.770 | 8.51 | 0.386 | 2.53 | 8.70 | 6888.46 | 21.1 |
BGr1 | 0.720 | 15.79 | 0.437 | 4.97 | 8.43 | 400 | 39.4 |
BGr1.5 | 0.721 | 20.43 | 0.521 | 7.68 | 8.40 | 3.86 | 40.3 |
BGr2 | 0.740 | 21.56 | 0.599 | 9.56 | 7.81 | 0.82 | 42.3 |
Gr | 0.744 | 22.78 | 0.663 | 11.23 | 8.25 | 0.74 | 44.8 |
Pt | 0.780 | 24.02 | 0.562 | 12.21 | 7.06 | 0.73 | 48.4 |