Hole Transport Behaviour of Various Polymers and Their Application to Perovskite-Sensitized Solid-State Solar Cells

Figure 2

Molecular structure of hole conductor materials of (a) spiro-OMeTAD, (b) P3HT, and (c) PTB7. (d) Energy diagram of materials which was used in this study.

(a)

(b)

(c)

(d)