Linearly polarized light emission from organic light emitting diode with metallic nanograting structure

Lin, Ming-Nan; Chen, Yi Jiun; Lin, Hoang Yan; Lee, Si‐Chen

doi:10.1109/nano.2012.6321948

2012 12th IEEE International Conference on Nanotechnology (IEEE-NANO) 2012

DOI: 10.1109/nano.2012.6321948

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Linearly polarized light emission from organic light emitting diode with metallic nanograting structure

Ming-Nan Lin

Yi Jiun Chen

Hoang Yan Lin

et al.

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2024

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Direct linearly polarized electroluminescence from perovskite nanoplatelet superlattices

Ye,

Ren,

Dai

et al. 2024

Nat. Photon.

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Polarized light is critical for a wide range of applications, but is usually generated by filtering unpolarized light, which leads to substantial energy losses and requires additional optics. Here we demonstrate the direct emission of linearly polarized light from light-emitting diodes made of CsPbI3 perovskite nanoplatelet superlattices. The use of solvents with different vapour pressures enables the self-assembly of the nanoplatelets with fine control over their orientation (either face-up or edge-up) and therefore their transition dipole moment. As a result of the highly uniform alignment of the nanoplatelets, as well as their strong quantum and dielectric confinement, large exciton fine-structure splitting is achieved at the film level, leading to pure red light-emitting diodes with linearly polarized electroluminescence exhibiting a high degree of polarization of 74.4% without any photonic structures. This work demonstrates the potential of perovskite nanoplatelets as a promising source of linearly polarized light, opening up the development of next-generation three-dimensional displays and optical communications from a highly versatile, solution-processable system.

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Direct linearly polarized electroluminescence from perovskite nanoplatelet superlattices

Ye,

Ren,

Dai

et al. 2024

Nat. Photon.

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Linearly polarized light emission from organic light emitting diode with metallic nanograting structure

Cited by 1 publication

References 21 publications

Direct linearly polarized electroluminescence from perovskite nanoplatelet superlattices

Direct linearly polarized electroluminescence from perovskite nanoplatelet superlattices

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