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Step-Growth Polymerization: Overview01:03

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Step-growth or condensation polymerization is a stepwise reaction of bi or multifunctional monomers to form long-chain polymers. As all the monomers are reactive, most of the monomers are consumed at the early stages of the reaction to form small chains of reactive oligomers, which then combine to form long polymer chains in the late stages. Hence, the reaction has to proceed for a long time to achieve high molecular weight polymers.
Many natural and synthetic polymers are produced by...
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Morphology Control for Fully Printable Organic–Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer
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全聚合物太阳能电池是从碳化合物溶剂处理的顺序溶液,具有厚厚的活性层.

Yajie Wang1, Chaoyue Zhao1, Ziqi Cai2

  • 1College of New Materials and New Energies, Shenzhen Technology University, Shenzhen 518118, China.

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|August 26, 2023
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概括

使用序列处理 (SqP) 从烯加工的更厚的有机太阳能电池保持高效率. 这种方法提高了薄膜的性能,减少了重组,并增强了工业应用的电荷提取.

关键词:
所有聚合物太阳能电池都是聚合物.碳化合物溶剂加工处理的方法连续处理是连续处理的过程.厚膜的活性层是厚膜的活性层.

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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:

  • 全聚合物太阳能电池 (全聚合物太阳能电池) 由于其优异的薄膜形成,机械和热性能而具有前景.
  • 高效的全PSC通常需要从酸加工的薄型活性层.
  • 工业化需要从碳化合物等低蒸汽压力溶剂中加工的更厚的活性层.

研究的目的:

  • 开发一种使用烯制造更厚的全PSC活性层的方法.
  • 为了研究顺序处理 (SqP) 在增加薄膜厚度时对设备性能的影响.
  • 为了比较SqP与传统的混合造方法,用于更厚的活性层.

主要方法:

  • 使用烯,一个高沸点的碳化合物溶剂.
  • 采用顺序处理 (SqP) 来进行活性层沉积.
  • 制造和特征所有PSC具有不同的活性层厚度.

主要成果:

  • SqP减轻了通常在增加薄膜厚度时观察到的效率下降.
  • 在活性层中,SqP促进了有利的垂直相分离.
  • 与混合造设备相比,使用SqP处理的设备表现出减少的陷辅助重组,增强的电荷提取和更长的电荷载体寿命.

结论:

  • 序列处理 (SqP) 是一种可行的策略,用于实现高效率,更厚的全聚合物太阳能电池,使用碳化合物溶剂.
  • SqP可以改善形态控制,从而提高设备性能和减少重组损失.
  • 这种方法解决了所有公共服务企业工业化面临的关键挑战.