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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...
Metal-Semiconductor Junctions01:24

Metal-Semiconductor Junctions

The contact of metal and semiconductor can lead to the formation of a junction with either Schottky or Ohmic behavior.
Schottky Barriers
Schottky barriers arise when a metal with a work function (Φm) contacts a semiconductor with a different work function (Φs). Initially, electrons transfer until the Fermi levels of the metal and semiconductor align at equilibrium. For instance, if Φm > Φs, the semiconductor Fermi level is higher than the metal's before contact. The semiconductor's...

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Ambient Method for the Production of an Ionically Gated Carbon Nanotube Common Cathode in Tandem Organic Solar Cells
14:37

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Published on: November 5, 2014

用于溶液处理的双联太阳能电池的粘性互连.

Vincent C Tung1, Jaemyung Kim, Laura J Cote

  • 1Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, USA.

Journal of the American Chemical Society
|May 28, 2011
PubMed
概括
此摘要是机器生成的。

石墨烯氧化物增强了导电聚合物的导电性,创造了一种新的无金属. 这种材料简化了制造高效的有机双联太阳能电池.

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Solution-Processed "Silver-Bismuth-Iodine" Ternary Thin Films for Lead-Free Photovoltaic Absorbers
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Integrating a Triplet-triplet Annihilation Up-conversion System to Enhance Dye-sensitized Solar Cell Response to Sub-bandgap Light
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Ambient Method for the Production of an Ionically Gated Carbon Nanotube Common Cathode in Tandem Organic Solar Cells
14:37

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科学领域:

  • 材料科学 材料科学 材料科学
  • 纳米技术纳米技术
  • 聚合物化学 聚合物化学

背景情况:

  • 石墨烯氧化物 (GO) 作为2D共聚物,通过π-π堆叠和结合指导材料组装.
  • 导电聚合物如PEDOT:PSS对于有机电子产品至关重要,但面临着制造方面的挑战.

研究的目的:

  • 为了研究将石墨烯氧化物 (GO) 与聚3,4-乙烯二氧化混合的协同效应:聚乙烯硫酸盐 (PEDOT:PSS).
  • 为有机光电子设备开发一种新的无金属导电材料.

主要方法:

  • 在水中混合GO和PEDOT:PSS,形成粘性分散物.
  • 将分散物成薄膜.
  • 使用GO/PEDOT薄膜作为粘合性互连材料制造聚合物双联太阳能电池.

主要成果:

  • 通过改变其链形状和形态,GO显著提高了PEDOT:PSS的电导率.
  • GO/PEDOT混合物形成一个粘性凝,作为一种无金属接剂.
  • 一个概念验证的聚合物双联太阳能电池成功地使用直接粘合剂层工艺制造出来.

结论:

  • GO/PEDOT是有机光电子产品的一个有前途的无金属接剂.
  • 这种材料简化了复杂的有机合架构的制造.
  • 有助于建造高效的双联太阳能电池,使用各种可处理的材料.