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锡洛干装饰的阻水的客人,用于高效的空气处理OSCs.

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概括

使用D18-SiO的新水阻碍客 (WOG) 策略提高了有机太阳能电池 (OSC) 的稳定性和可加工性. 这种方法提高了功率转换效率和设备在潮湿条件下的寿命.

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通过空气处理的有机太阳能电池.高湿度,高湿度的情况.这就是所谓的siloxane.客人阻水路时,会出现水路障碍.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 可再生能源工程可再生能源工程
  • 有机电子 有机电子

背景情况:

  • 有机太阳能电池 (OSC) 在环境稳定性和可加工性方面面临重大挑战,特别是在大面积的空气处理应用中.
  • 活性层的水诱导降解是一个关键的瓶,限制了OSCs的开发和商业化.
  • 现有的策略往往难以平衡水分保护与保持最佳膜形态.

研究的目的:

  • 制定一个阻塞水客 (WOG) 策略,以提高有机太阳能电池 (OSC) 的环境稳定性和可加工性.
  • 调查含西洛聚合物 (D18-SiO) 作为WOG在减轻水诱导降解中的作用.
  • 评估WOG策略对设备性能,薄膜形态和高相对湿度 (RH) 下长期稳定性的影响.

主要方法:

  • 将含有西洛的聚合物 (D18-SiO) 作为阻水客 (WOG) 引入活性层混合物.
  • 在一系列相对湿度 (RH) 条件下使用旋转涂层和叶片涂层技术制造OSC.
  • 在不同的RH水平下,膜形态,陷密度和设备性能 (PCE) 的表征.
  • 在连续照明和环境条件下 (≈40% RH) 对未封装的OSC进行长期稳定性测试.

主要成果:

  • 使用D18-SiO WOG策略制造的OSC实现了功率转换效率 (PCE) 超过19% (旋转涂层) 和17% (叶片涂层在90%RH).
  • WOG策略有效地抑制了陷密度,并保留了理想的纳米微形态,其特点是高晶度和紧密包装.
  • 未封装的OSC在空气中光照照明下连续运行600小时 (≈40% RH) 后保持了80.7%的初始性能.

结论:

  • 建议使用D18-SiO的WOG策略在提高空气处理的OSCs的环境稳定性和可加工性方面非常有效.
  • 这种方法提供了一种防护防潮屏障,对于开发耐用和可扩展的有机太阳能技术至关重要.
  • 对大规模生产的证明潜力突出显示了WOG战略是推动OSCs商业可行性的有希望的途径.