Improved photon-to-electron response of ternary blend organic solar cells with a low band gap polymer sensitizer and interfacial modification
2016 ◽
Vol 4
(5)
◽
pp. 1702-1707
◽
Keyword(s):
Band Gap
◽
A LBG polymer is incorporated into a PTB7:PC71BM host blend to compose a ternary blend system. Besides extending the absorption range, the crystallinity and preferred face-on orientation of PTB7 are simultaneously improved. Ternary blend PSC of 9.06% is achieved with interfacial modification.