光电流
化学
铂金
接受者
开路电压
光伏系统
电化学
光化学
吸收(声学)
异质结
制作
光电子学
物理化学
电极
电压
有机化学
催化作用
材料科学
复合材料
医学
病理
物理
量子力学
替代医学
生物
凝聚态物理
生态学
作者
Qian Liu,Cong Wang,Chenguang Hu,Min Wang,Chao Li,Zengqi Guo,Yujing Liu,Wai Yeung Wong
标识
DOI:10.1016/j.jorganchem.2021.122220
摘要
A new series of platinum(II)-containing donor-acceptor (D-A) dimesitylborane-based complexes PT1−PT4 have been successfully synthesized in reasonable yields. The photophysical and electrochemical properties have also been investigated. Complexes PT1−PT4 have narrow energy bandgaps within 1.69−1.74 eV and broad absorption bands within 240−700 nm, which would be suitable candidates for the fabrication of devices in bulk heterojunction (BHJ) solar cells. The devices based on PT4, which has the longest π-conjugated framework, showed the highest PCE of 3.07% among all the devices with high open-circuit voltage (Voc) of 0.92 V, short-circuit photocurrent density (Jsc) of 7.95 mA cm−2 and fill factor (FF) of 0.42 at the optimized active layer thickness of 85 nm. These complexes illustrate the potential of solution-processible metallo-organic D-A complexes for efficient power generation in photovoltaic implementation.
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