期刊
ADVANCED MATERIALS INTERFACES
卷 5, 期 6, 页码 -出版社
WILEY
DOI: 10.1002/admi.201701519
关键词
carbon dots; electrode interlayers; polymer carbon dots; solar cells; work function
资金
- National Science Foundation of China (NSFC) [51433003, 51373065, 21504029]
- National Key Research and Development Program of China [2016YFB0401701]
- National Basic Research Program of China [2014CB643505]
- JLU Science and Technology Innovative Research Team [2017TD-06]
In this work, the ability of tuning work function for polymer carbon dots (PCDs) is systematically studied for the first time. Their application of both cathode and anode interlayers in polymer solar cells (PSCs) is achieved. PCDs possess abundant surface functional groups, which can be modified under control. Through regulating surface groups with more electron-donating amino (PCD-NH2) or electron-withdrawing carboxy (PCD-COOH), PCDs can decrease or increase work function of electrode, respectively. Therefore, PCD-NH2 can act as cathode interlayer while PCD-COOH plays the role of anode interlayer in PSCs. The single material system to act as both interlayers is rarely reported previously. This can simplify the design of materials and the device fabrication process. In addition, PCDs are green, low-cost, stable, and easily fabricated. Therefore, it is demonstrated that PCDs are promising for commercial interlayer materials in optoelectronic devices.
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