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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...
1.6K

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Digital Printing of Titanium Dioxide for Dye Sensitized Solar Cells
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扩散前体工程用于高效率的CdSeTe太阳能电池,80%的填充因子.

Jiao Liu1, Yanjie Gan2, Yiliang Zhou1

  • 1Institute of New Energy Technology, College of Physics and Optoelectronic Engineering, Jinan University, Guangzhou, 510632, China.

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概括

优化分级化 Telluride (CdSeTe) 太阳能电池的前体,提高了设备的性能. 这种前体管理策略改善了微观结构,减少了重组,实现了20.6%的功率转换效率.

关键词:
首席执行官 在这是一个吸收器吸收器.-扩散前体的前体.太阳能电池是一个太阳能电池.

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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
  • 薄膜太阳能电池 薄膜太阳能电池

背景情况:

  • 分级化 Telluride (CdSeTe) 吸收器是超越传统化 (CdTe) 太阳能电池效率的关键.
  • 设备的性能严重依赖于Se-扩散前体的特性.

研究的目的:

  • 引入一种前体管理策略,以优化CdSeTe吸收器中的Se扩散和结晶.
  • 为了增强CdSeTe吸收器的微观结构和接口特性.

主要方法:

  • 在化 (CdSe) 前体加工过程中加入氧和.
  • 对CdSeTe吸收器微观结构,界面空隙和表面电位波动的分析.
  • 太阳能电池设备的制造和表征.

主要成果:

  • 改进了CdSeTe吸收器微观结构,并抑制了埋藏的界面空隙.
  • 降低了表面电位波动,导致减少了界面重组.
  • 实现了20.6%的冠军功率转换效率,具有出色的VOC,JSC和FF.

结论:

  • 前体化学显著影响分级吸收光伏的性能.
  • 开发的前体管理战略在推进CdSeTe太阳能电池技术方面是有效的.
  • 这种方法为薄膜太阳能电池的更高效率提供了途径.