期刊
ACS ENERGY LETTERS
卷 2, 期 2, 页码 497-503出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsenergylett.6b00691
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资金
- Swedish Energy Agency
- Swedish Research Council
- Knut and Alice Wallenberg Foundation
In this work, two Cu(II) complex compounds are designed and synthesized for applications as p-type dopants in solid-state perovskite solar cells (PSCs). Through the characterization of the optical and electrochemical properties, the complex Cu(bpcm)(2) is shown to be eligible for oxidization of the commonly used hole-transport material (HTM) SpiroOMeTAD. The reason is the electron-withdrawing effect of the chloride groups on the ligands. When the complex was applied as p-type dopant in PSCs containing Spiro-OMeTAD as HTM, an efficiency as high as 18.5% was achieved. This is the first time a Cu(II) pyridine complex has been used as p-type dopant in PSCs.
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