Chiral 1D perovskite microwire arrays for circularly polarized light detection
Detection of circularly polarized light (CPL) accelerates the development of various optical technologies, but the additional quarter-wave plate and linear polarizer are required for conventional polarized light detectors, resulting in tremendous difficulty in integration and miniaturization of the...
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| Autores principales: | , , , , , , , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Elsevier
2022
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/0eca9edc6ac4441bb4d43b1047308bca |
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| Sumario: | Detection of circularly polarized light (CPL) accelerates the development of various optical technologies, but the additional quarter-wave plate and linear polarizer are required for conventional polarized light detectors, resulting in tremendous difficulty in integration and miniaturization of the devices. Herein, we fabricate pure (010)-orientated chiral one-dimensional (1D) perovskite microwire arrays with high crystallinity, strict alignment, and homogeneous size by a capillary-bridge-manipulated method. By the synergy of the excellent crystallinity and pure crystallographic orientation, high-performance CPL photodetectors are fabricated, with a maximum anisotropy factor of 0.23, responsivity exceeding 26 mA W −1, and detectivity exceeding 2.2 × 1011 Jones. Furthermore, the CPL photodetectors based on microwire arrays also exhibit impressive environmental stability under ambient conditions. |
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