Novel Terthiophene-Substituted Fullerene Derivatives as Easily Accessible Acceptor Molecules for Bulk-Heterojunction Polymer Solar Cells

Table 1

Fullerene derivative	𝐸HOMO (eV)	𝐸LUMO (eV)	Band gap (eV)
F1	−5.15	−3.78	1.37
F2	−5.27	−3.78	1.49
F3	−5.29	−3.74	1.55
F4	−5.67	−3.75	1.92
F5	−5.26	−3.79	1.47
PCBM	−6.01	−3.83	2.18