Emerging Photovoltaics: Organic, Copper Zinc Tin Sulphide, and Perovskite-Based Solar Cells

Figure 3

Organic molecules used as electron donors and electron acceptors in organic solar cells.

(a) Phthalocyanine

(b) Porphyrin

(c) Fullerene [6]

(d) Polythiophene [7]

(e) Phthalimide [8]