A halogenated volatile additive strategy for regulating crystallization kinetics and enabling 20.40% efficiency polymer solar cells with low non-radiative recombination energy loss
Changjiang LiCollege of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, P. R. ChinaMin DengCollege of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, P. R. ChinaHaonan ChenCollege of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, P. R. ChinaYuwei DuanCollege of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, P. R. ChinaChentong LiaoCollege of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, P. R. ChinaZeqin ChenCollege of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, P. R. ChinaQiang PengCollege of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, P. R. China
2025en
ABI
Аннотация
Increasing the weight of halogen atoms of additives results in balanced crystallization and optimal morphology with suppressed energy disorder, realizing 20.40% efficiency with a Δ E non-rad of 0.189 eV and E loss of 0.500 eV in polymer solar cells.
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