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相关概念视频

P-N junction01:11

P-N junction

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...

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相关实验视频

Updated: Jun 14, 2026

Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance
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可扩展的加工,实现21.7%的全矿合太阳能模块

Ke Xiao1,2, Yen-Hung Lin3, Mei Zhang1

  • 1National Laboratory of Solid State Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, College of Engineering and Applied Sciences, Frontiers Science Center for Critical Earth Material Cycling, Nanjing University, Nanjing 210023, China.

Science (New York, N.Y.)
|May 13, 2022
PubMed
概括

使用可扩展的技术制造了高效的全矿并联太阳能模块. 一个新的扩散屏障提高了功率转换效率 (PCE) 和稳定性,达到21.7%的PCE,并在500小时后保持75%的效率.

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Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films
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11:38

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Published on: February 27, 2017

18.6K
Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films
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科学领域:

  • 材料科学
  • 可再生能源
  • 太阳能发电

背景情况:

  • 制造全矿合太阳能电池成模块存在挑战,包括实现高质量的宽带间隙矿和防止接触处离子扩散的降解.
  • 目前的方法往往导致单节配置,而不是高效的合模块.

研究的目的:

  • 通过可扩展的制造方法来证明高效和稳定的全矿合太阳能模块.
  • 解决因双联太阳能电池连接接口的相互扩散造成的降解问题.

主要方法:

  • 在没有甲基的1.8电子伏特混合化中系统调节比,以通过叶片涂层增强大面积的薄膜结晶.
  • 在子细胞之间引入导电型扩散屏障,以防止化物和金属之间的扩散.

主要成果:

  • 对于大面积的叶片涂层矿薄膜,提高了结晶的一致性.
  • 达到了21%的认证功率转换效率 (PCE) 对于具有20cm2光圈面积的合模块.
  • 经过500小时的持续模拟1太阳照明后,证明了增强的稳定性,保持了75%的初始效率.

结论:

  • 可扩展的制造技术,包括比调整和扩散屏障,可以实现高效的全矿并联太阳能模块.
  • 开发的扩散屏障有效地减轻了降解,从而改善了PCE和操作稳定性.
  • 这些发现为实用,高性能全矿联太阳能模块铺平了道路.