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用光热驱动的聚合物为具有自适应太阳能调制的智能窗户.

Yang Wang1, Yulong Zhao1, Zhendong Yan1

  • 1Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China.

ACS applied materials & interfaces
|September 1, 2023
PubMed
概括

这项研究引入了一种新的混合智能窗口,可以有效地将太阳能转换为热量,从而实现从透明状态到不透明状态的快速和可逆过渡,从而实现显著的室内冷却.

关键词:
紫外线/红外线屏蔽核心外纳米粒子的核心外光热转换的光热转换智能窗口是一个智能窗口.太阳能调制是太阳能调制的方法.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 能源科学 能源科学
  • 纳米技术 纳米技术

背景情况:

  • 热色智能窗户可以节省能源,但在响应温度,开关速度和耐用性方面面临挑战.
  • 现有的技术难以平衡可调节的阳光透射率与实际性能.

研究的目的:

  • 开发一种具有双功能的混合热敏智能窗户设备 (CPH),以提高性能.
  • 为了提高太阳能转换效率,并实现动态光传导度调制.

主要方法:

  • 将一个相变聚合物 (polyHEA-HDA) 和多多巴胺 (polydopamine@CsWO3 (PDA@CWO) 核心纳米粒子纳入玻璃.
  • 使用PDA@CWO进行高效的光热转换,并使用PolyHEA-HDA进行可逆相位转换.

主要成果:

  • 该CPH设备表现出高效的太阳能转换为热能.
  • 智能窗户在低环境温度下从透明转变为不透明,调节太阳透射率从54.8%到22.9%.
  • 在模型房屋测试中,证明了7.1°C的室内温度降低,具有紫外线屏蔽和可见光透明度.

结论:

  • 开发的混合智能窗口提供了多功能,提高了能源效率和耐用性.
  • 这种方法为设计先进的节能智能窗户系统提供了一条新的途径.
  • 该设备显示了建筑能源管理中的实际应用潜力.