使用小分子量有机薄膜的高效批量异质连接光伏电池
Peter Peumans1, Soichi Uchida, Stephen R Forrest
1Center for Photonics and Optoelectronic Materials (POEM), Department of Electrical Engineering and the Princeton Materials Institute, Princeton University, Princeton, New Jersey 08544, USA.
Nature
|September 12, 2003
概括
研究人员开发了一种使用金属盖的新回火方法,以创建高效的有机太阳能电池. 这种技术通过在小分子有机光伏设备中实现相互透的网络来提高功率转换效率.
科学领域:
- 材料科学 材料科学 材料科学
- 有机电子 有机电子
- 可再生能源可再生能源是可再生能源.
背景情况:
- 有机光伏 (OPV) 电池由于捐赠器-接受器异质连接,效率有所提高.
- 聚合物OPV中的散装异质连接通过创建相互透的网络来提高效率.
- 在小分子OPV中通过真空沉积实现批量异质连接一直是具有挑战性的.
研究的目的:
- 开发一种方法,在真空沉积的小分子有机太阳能电池中创建批量异质连接.
- 为了克服小分子OPV表面粗和设备短路的局限性.
- 为了提高有机光伏设备的功率转换效率.
主要方法:
- 使用金属盖来限制化过程中的有机材料.
- 采用应力回火工艺来控制薄膜形态.
- 研究了在小分子膜中相互透的捐赠者-接受者网络的形成.
主要成果:
- 通过使用金属盖,防止在炼过程中表面粗.
- 在真空沉积的小分子膜中成功形成相互透的捐赠者-接受者网络.
- 与双层设备相比,功率转换效率提高了50%.
结论:
- 金属覆盖的回火方法使小分子有机太阳能电池中能够形成高效的散体异质连接.
- 这种技术为低成本,高效的薄膜有机太阳能电池提供了途径.
- 应力回火过程是推动有机光伏技术发展的一个有前途的战略.
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