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相关概念视频

P-N junction01:11

P-N junction

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A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...
1.7K

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In situ Grazing Incidence Small Angle X-ray Scattering on Roll-To-Roll Coating of Organic Solar Cells with Laboratory X-ray Instrumentation
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为高效率的反转聚合物太阳能电池提供光导电极介层.

Li Nian1, Wenqiang Zhang1, Na Zhu1

  • 1†Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China.

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|May 29, 2015
PubMed
概括

研究人员开发了一种高度光导的阴极介层,使用氧化物 (ZnO) 来提高太阳能电池的效率. 这项创新提高了光伏设备的性能,并在聚合物太阳能电池中实现了10.5%的功率转换效率.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 太阳能光伏发电是如何实现的
  • 有机电子 有机电子

背景情况:

  • 开发高效的阴极介层对于提高光伏设备性能至关重要.
  • 氧化 (ZnO) 由于其半导体特性,是电子应用的一个有前途的材料.

研究的目的:

  • 通过对ZnO薄膜进行合,创建一个高度光导的阴极介层.
  • 为了提高光伏设备的性能,使用这种新的中间层.

主要方法:

  • 用1重%的光吸收剂,烯二氧化,对一个ZnO薄膜进行合.
  • 制造含有化 ZnO 阴极中间层的光伏设备.
  • 在阳光下测试设备性能和功率转换效率.

主要成果:

  • 在阳光下实现了 ZnO 薄膜,导电性显著增加 (4.50 × 10(-3) S/m).
  • 光伏设备表现出更好的性能,介层的厚度不敏感.
  • 通过PTB7-Th:PC71BM活性层实现了10.5%的功率转换效率.

结论:

  • 化ZnO阴极中间层在提高太阳能电池性能方面非常有效.
  • 这种方法为改进单节聚合物太阳能电池提供了强大的方法.
  • 开发的中间层代表了光伏技术的重大进步.