纳米复合材料
聚合物
材料科学
纳米颗粒
聚合物纳米复合材料
钙钛矿(结构)
化学工程
纳米技术
复合材料
工程类
作者
Hyunki Kim,Nicholas Hight‐Huf,Ji‐Hwan Kang,Phoebe Bisnoff,Suvin Sundararajan,Theo Thompson,Michael D. Barnes,Ryan C. Hayward,Todd Emrick
标识
DOI:10.1002/anie.201916492
摘要
Functional polymers with sulfobetaine or phosphorylcholine zwitterions as pendent groups are demonstrated as both ligands and host matrices for CsPbBr3 perovskite nanoparticles (PNPs). These polymers produce nanocomposite films with excellent NP dispersion, optical transparency, and impressive resistance to NP degradation upon exposure to water. Multidentate interactions of the zwitterion-containing copolymers with the PNPs induce dispersed or weakly aggregated nanocomposite morphologies, depending on the extent of zwitterionic functionality in the polymer. Incorporating additional functionality into the polymers, such as benzophenone pendent groups, yields lithographically patternable films, while time-resolved photoluminescence measurements provide insight into the electronic impact of PNPs in zwitterionic polymer matrices.
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