Improving performance of Cs-based perovskite light-emitting diodes by dual additives consisting of polar polymer and n-type small molecule
作者: Ming-Yi HuangLoganathan VeeramuthuChi-Ching KuoYi-Chun LiaoDai-Hua JiangFang-Cheng LiangZhen-Li YanRedouane BorsaliChu-Chen Chueh
作者单位: 1Institute of Organic and Polymeric Materials, National Taipei University of Technology, Taipei, Taiwan
2Research and Development Center for Smart Textile Technology, National Taipei University of Technology, 10608, Taipei, Taiwan
3Institute of Polymer Science and Engineering, National Taiwan University, 106, Taipei, Taiwan
4Grenoble Alpes University, CNRS, CERMAV UPR 5301, 38000, Grenoble, France
5Department of Chemical Engineering, National Taiwan University, Taipei, 10617, Taiwan
6Advanced Research Center for Green Materials Science and Technology, National Taiwan University, Taipei, 10617, Taiwan
刊名: Organic Electronics, 2018
来源数据库: Elsevier Journal
DOI: 10.1016/j.orgel.2018.12.042
关键词: PerovskiteLight-emitting diodesAdditivesPolyethylene oxideSmall molecule
英文摘要: Abstract(#br)Organic-inorganic halide perovskites were emerging as promising light emitters due to the high photoluminescence quantum efficiency (PLQE), narrow color spectrum, and facile bandgap tunability. However, the morphological issues of this class of materials remain as a bottleneck in generating high-performance light-emitting devices (LED). In this work, we describe a facile and cost-effective method to improve the morphology of an all-inorganic-perovskite emissive layer by using a dual-additive blending strategy. A polar polymer, polyethylene oxide (PEO), and an n-type small molecule, TPBi, are blended with CsPbBr 3 to provide synchronous effect in passivizing the surface defects and reducing the exciton quenching, as evidenced by the formation of smaller uniform grains and...
全文获取路径: Elsevier  (合作)
影响因子:3.836 (2012)

  • emitting 发出
  • light 
  • performance 性能
  • perovskite 钙钛矿
  • polar 极线
  • additives 附加剂
  • molecule 分子
  • based 基于
  • polymer 聚合物
  • small 小的