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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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Well-aligned Vertically Oriented ZnO Nanorod Arrays and their Application in Inverted Small Molecule Solar Cells
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基于纳米线的全氧化物太阳能电池.

Benjamin D Yuhas1, Peidong Yang

  • 1Department of Chemistry, University of California, Berkeley, and Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.

Journal of the American Chemical Society
|March 12, 2009
PubMed
概括

我们开发了一个全氧化物太阳能电池,使用氧化纳米线和氧化铜纳米粒子. 添加中间绝缘层通过增加分流电阻显著提高了太阳能电池的性能.

科学领域:

  • 材料科学 材料科学 材料科学
  • 可再生能源可再生能源是可再生能源.
  • 纳米技术纳米技术

背景情况:

  • 开发高效和成本效益的太阳能电池对于可再生能源至关重要.
  • 基于氧化物的材料为低成本,对环境无害的光伏设备提供了潜力.
  • 纳米线架构可以增强太阳能电池中的光吸收和电荷传输.

研究的目的:

  • 使用垂直导向的氧化纳米线和铜氧化纳米颗粒制造和描述一个全氧化太阳能电池.
  • 为了研究中间氧化物绝缘层对太阳能电池性能的影响.
  • 了解纳米线太阳能电池中分流电阻和光伏性能之间的关系.

主要方法:

  • 基于溶液合成的n型氧化 (ZnO) 纳米线和p型氧化铜 (Cu2O) 纳米粒子.
  • 太阳能电池设备的制造,由由Cu2O纳米粒子膜包围的ZnO纳米线组成.
  • 在ZnO纳米线和Cu2O纳米颗粒之间加入一个中间氧化物绝缘层.
  • 制造的太阳能电池的性能特征,包括分析光伏参数.

主要成果:

  • 成功制造了一种全氧化物太阳能电池,使用ZnO纳米线和Cu2O纳米粒子.
  • 在添加中间氧化物绝缘层后,证明了太阳能电池性能的提高.

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  • 确定了对总体光伏性能的分流电阻的显著依赖.
  • 这些发现适用于其他基于纳米线的太阳能电池架构.

    • 结论:

    • 基于ZnO纳米线和Cu2O纳米粒子的全氧化物太阳能电池是可行的.
    • 一个中间氧化物绝缘层对于优化这些太阳能电池的性能至关重要.
    • 控制分流电阻是提高纳米线太阳能电池光伏效率的关键因素.