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相关概念视频

P-N junction01:11

P-N junction

508
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...
508

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Updated: Jun 21, 2025

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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一个高性能有机光伏系统,具有多功能解决方案可加工性.

Yiming Shao1, Yuan Gao1, Rui Sun1

  • 1The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China.

Advanced materials (Deerfield Beach, Fla.)
|July 14, 2024
PubMed
概括

为有机光伏 (OPV) 开发了一种新的聚合物供体DP3,实现了高功率转换效率 (PCE) 19.12%. 这种材料表现出极好的解决方案可加工性,使其适合商业应用.

关键词:
批量对批量的不敏感性.高速度涂层的速度很快.关键绩效指数的主要表现指数.随机聚合策略是一种随机聚合策略.解决方案可处理性 解决方案可处理性

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科学领域:

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

背景情况:

  • 有机光伏 (OPV) 材料的近期进展提高了效率,稳定性和成本.
  • 然而,解决方案可用于实际应用的可处理性仍然存在挑战.

研究的目的:

  • 为OPVs开发一个高效的聚合物供体 (DP3).
  • 为了增强分子间/分子内相互作用和调整批量异质连接的微观结构.
  • 为了证明多功能解决方案的可加工性,以实现商业可行性.

主要方法:

  • 一种新型聚合物供体DP3的合成,其中包括子[1,2-b:4,5-b']二硫单元和受体单元.
  • 使用DP3:L8-BO系统的OPV设备的制造和表征.
  • 对各种分子量,混合物厚度和涂层速度的设备性能进行评估.

主要成果:

  • 该DP3:L8-BO系统实现了最大功率转换效率 (PCE) 的19.12%.
  • 在各种加工条件和分子量中保持了高效率 (>18%).
  • 有望的PCE为18.65% (小面积电池) 和15.53% (大面积模块) 记录下来.

结论:

  • DP3:L8-BO 系统表现出卓越的性能和多功能解决方案可处理性.
  • 这种材料是商业有机光伏应用的强大候选者.