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Highly Stable Nanorod Suprastructures of a Graphene Oxide–Polymer–CsPbX3 Perovskite Nanocrystal Composite
Nanorod composites with remarkably stable photonic properties are assembled from CsPbX3 perovskite nanocrystals (PNCs) and polymer-grafted graphene oxide (g-GO).
Significance and Impact
The work presents a unique self-assembly strategy to produce robust perovskite emissive materials, which may be generalized to other nanomaterials and greatly extend their potential applications.
- PNC/g-GO composites assemble into uniform nanorod suprastructures.
- Resulting material is stable for months with little loss in photoluminescent quantum yield in films and solution.
- Emission color can be tuned across the visible spectrum by substituting the halide atom.
A. Pan, M. J. Jurow, F. Qiu, J. Yang, B. Ren, J.J. Urban, L. He, Y. Liu, Nano Lett. 2017, 17, 6759−6765; DOI: 10.1021/acs.nanolett.7b02959