Proceedings of International online conference on Hybrid materials and optoelectronic devices (HYBRIDOE)
DOI: https://doi.org/10.29363/nanoge.hybridoe.2020.024
Publication date: 4th December 2020
Polarized light sources play a significant role in a growing number of applications: from general illumination to highly efficient display. Solution-processed polarized light-emitting diodes have attracted remarkable interests because of their wide choice of emissive materials, capability to be solution-processed and easy fabrication. The key to producing polarized light is the ordered orientation of anisotropic emission materials. Perovskite nanowires are an anisotropic one-dimensional nanomaterial with excellent optical properties. Anisotropic films composed of aligned CsPbBr3 nanowires have been successfully fabricated. The films with dense and uniform morphology show polarization photoluminescence behavior. Combining with an optimal device structure, a polarized light-emitting diode with a turn-on voltage as low as 6.5 V was achieved. The results prove the great potential of polarized LEDs based on CsPbBr3 nanowires.
We thank the supports of the National Key Research and Development Program of China (2019YFE0101300, 2017YFE0133800) and the Distinguished Youth Foundation of Anhui Province (1708085J09).
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