Liu, Zhiyong; Wang, Hong-En; Zhu, Ting - 2022
Efficient ternary organic photovoltaics (OPVs) are fabricated with two polymer materials, PTQ10 and PTB7-Th, as donors and Y6 as an acceptor. The lowest unoccupied molecular orbital (LUMO) energy levels of PTB7-Th are deeper than those of PTQ10, and a cascade of LUMO energy levels is formed...