1. Handbook of Conducting Polymers, 2 Volume Set
2. Thin Film Solar Cells
3. Design Rules for Efficient Organic Solar Cells
4. G. Dennler, N. S. Sariciftci, and C. Brabec, inSemiconducting Polymers: Chemistry, Physics and Engineering, 2nd ed., edited by G. Hadziioannou and G. G. Malliaras (Wiley-VCH, Weinheim, 2007), Chap. 11, pp. 455–530.