Henna (Lawsonia inermis L.) Dye-Sensitized Nanocrystalline Titania Solar Cell

Table 1

Measured and calculated parameters of assembled Bahraini and Yemeni Henna solar cells.

Henna extract concentration	𝑉oc (V)	𝐼sc (mA)	FF %	𝜂%
Bahraini 80.0 g	0.426	0.368	24.6	0.128
Bahraini 8.0 g	0.410	0.906	36.3	0.450
Bahraini 0.8 g	0.419	0.620	33.0	0.286
Yemeni 84.0 g	0.306	0.407	28.1	0.117
Yemeni 21.0 g	0.326	0.430	37.1	0.174
Yemeni 4.2 g	0.500	0.414	27.6	0.191