IMEC提出扩展有机太阳能电池的寿命的方法(E)
IMEC's associated laboratory IMOMEC, located on the campus of the Hasselt University, developed a method to stabilize the nanomorphology of organic solar cells resulting in a lifetime improvement of at least a factor 10. With these stabilized solar cells, efficiencies were achieved comparable to state-of-the-art organic solar cells. This breakthrough paves the way to commercial organic solar cells with an operational lifetime of over 5 years and efficiencies of over 10%.
The efficiency and operation of organic solar cells strongly depends on the nanomorphology of the active layer, i.e. on a stable mix of organic compounds that can trap the light's energy and transport it to an electric contact. IMEC already reported such cells based on P3HT:PCBM with efficiencies near 5%. But to date, the lifetime of these cells is far too short for commercial applications, for which 5 years is seen as a minimum. Under long term operation, all solar cells based on an intimate mixing of organic semiconductors deteriorate. This is due to segregation of the mixture whereby the compounds tend to separate into different phases and consequently reduce the efficient conversion of light into electricity.
IMEC has shown before that this phase segregation is related to the mobility of the organic polymer and that fixation of the nanomorphology of the polymers could result in a prolonged operational lifetime.
IMEC/IMOMEC has now introduced a new method and new conjugated polymers to stabilize the nanomorphology of the active layer making it far more robust to phase segregation under prolonged operation. Experiments on bulk heterojunction organic solar cells based on this new material showed no degradation of the efficiency after more than 100 hours whereas reference cells degraded already after a few hours. This means that a lifetime improvement of at least a factor 10 can be obtained. And the cells achieved efficiencies near 4% which is comparable to state-of-the-art.
Future research targets further refinement of the method by optimizing the chemical structures of the conjugated polymers.
相关阅读:
- ...2016/09/27 14:33·SiTime推出高精度MEMS振荡器 颠覆全球规模15亿美元电信与网络时钟市场
- ...2016/06/02 10:05·英飞凌携手IMEC 合作开发汽车79 GHz CMOS雷达传感器芯片
- ...2016/03/14 16:39·SiTime推出较轻巧、较稳定、内建自动校准的32 kHz Super-TCXO
- ...2016/03/14 10:19·SiTime推出较轻巧、较稳定、内建自动校准的32 kHz Super-TCXO
- ...2015/11/06 20:42·Altera新版Quartus Prime设计软件延续了设计性能和效能的领先优势
- ...2015/07/28 14:52·Altera荣获年度EE Times/EDN ACE奖
- ...· Efinix® 全力驱动AI边缘计算,成功推出Trion™ T20 FPGA样品, 同时将产品扩展到二十万逻辑单元的T200 FPGA
- ...· 英飞凌亮相进博会,引领智慧新生活
- ...· 三电产品开发及测试研讨会北汽新能源专场成功举行
- ...· Manz亚智科技跨入半导体领域 为面板级扇出型封装提供化学湿制程、涂布及激光应用等生产设备解决方案
- ...· 中电瑞华BITRODE动力电池测试系统顺利交付北汽新能源
- ...· 中电瑞华FTF系列电池测试系统中标北京新能源汽车股份有限公司
- ...· 中电瑞华大功率高压能源反馈式负载系统成功交付中电熊猫
- ...· 中电瑞华国际在电动汽车及关键部件测评研讨会上演绎先进测评技术