化学
酞菁铜
轨道能级差
异质结
光伏系统
硼
开路电压
带隙
酞菁
接受者
光化学
分子轨道
光电子学
电压
无机化学
分子
有机化学
凝聚态物理
生态学
物理
量子力学
生物
作者
Kristin L. Mutolo,Elizabeth I. Mayo,Barry P. Rand,Stephen R. Forrest,Mark E. Thompson
摘要
A double-heterostructure boron subphthalocyanine chloride (SubPc)/C60 thin-film photovoltaic cell exhibits a more than doubled Voc compared to a conventional copper phthalocyanine (CuPc)/C60 cell under 1 sun AM1.5G simulated illumination. The lower oxidation potential of SubPc results in an increase in the energy difference between the lowest unoccupied molecular orbital of the acceptor-like material and the highest occupied molecular orbital of the donor-like material (referred to as the interface gap, Ig) by 400 meV. We attribute the significant increase in Voc to this increase in Ig.
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