High-performance 2D perovskite-based flexible photodetectors for optical communication and information encryption

Kaijia Feng, Ying Li*, Yancheng Chen, Zhongming Wei, Guozhen Shen*

*此作品的通讯作者

科研成果: 期刊稿件文章同行评审

2 引用 (Scopus)

摘要

Flexible optical wireless communication is significant for major strategic needs due to its safety, portability, and precision. As a core component in optical communication systems, photodetectors (PDs) are plagued by stringent requirements, including high detectivity, stability, and flexibility. Herein, an optical wireless communication system based on flexible two-dimensional (2D) Ruddlesden-Popper (RP) perovskite PDs is presented. The thickness-optimized PD with outstanding thermal stability and flexibility has a high responsivity over the visible light range with two peaks at 488 and 532 nm. Based on these advancements, a multiplexing encrypted communication system is presented by exploiting the 488 and 532 nm light as independent information transmission channels to improve information security. Moreover, the flexible PD is integrated into the integrated circuit to simulate an optical wireless communication system for visible light positioning and bidirectional information transmission, which realizes the real-time positioning of the vehicle and the real-time presentation of the user interface.

源语言英语
文章编号101998
期刊Matter
8
5
DOI
出版状态已出版 - 7 5月 2025
已对外发布

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