自供电Bi6Ti3Fe2O18@CuO实现加密通信的核壳铁电光电探测器。

IF 4.6 2区化学 Q2 CHEMISTRY, PHYSICAL

The Journal of Physical Chemistry Letters Pub Date : 2025-10-02 DOI:10.1021/acs.jpclett.5c02432

Yating Su,Li Zhen,Rumei Song,Dan Wu,Shifeng Zhao,Yulong Bai

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引用次数: 0

摘要

光电逻辑是很有前途的数据加密单元，由于其固定的光电检测模式，它在复杂的制造中挣扎。采用一锅法制备了核壳异质结构Bi6Ti3Fe2O18@CuO铁电光电探测器，实现了紫外探测和加密光通信。光电探测器采用CuO量子点组装的同型输运壳，核-壳界面异质结和铁电核驱动光载流子分离。Bi6Ti3Fe2O18@CuO （4 mg/mL）光电探测器的自供电性能为R ~ 0.85 a /W, D* ~ 4.9 × 1012 Jones, EQE ~ 25.3%，为加密通信提供了一种简单的策略。双频（388 nm和420 nm）光电流作为一种权重因子，基于“与”光电逻辑运算实现了加密光通信，其中汉字和大写字母“IMU”显示。

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Self-Powered Bi6Ti3Fe2O18@CuO Core-Shell Ferroelectric Photodetectors Realizing Encryption Communication.

Optoelectronic logics are promising units of data encryption, which struggle with complex manufacture, owing to their fixed photodetection mode. Core-shell heterostructure Bi6Ti3Fe2O18@CuO ferroelectric photodetectors were fabricated by a one-pot method, which hosted UV detection and encrypted optical communication. The CuO quantum dot assembled homotypic transport shell was adopted in photodetectors, and the core-shell interfacial heterojunction as well as the ferroelectric core drove photocarrier separation. The Bi6Ti3Fe2O18@CuO (4 mg/mL) photodetectors show a self-powered performance of R ∼ 0.85 A/W, D* ∼ 4.9 × 1012 Jones, and EQE ∼ 25.3%, which provide a simple strategy for encrypted communication. The dual-band (388 and 420 nm) photocurrent as a type of weight-factor, encrypted optical communication is realized based on "AND" optoelectronic logical operation, where the Chinese characters and capital letters "IMU" are showcased.

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来源期刊

The Journal of Physical Chemistry Letters CHEMISTRY, PHYSICAL-NANOSCIENCE & NANOTECHNOLOGY

CiteScore

9.60

自引率

7.00%

发文量

1519

审稿时长

1.6 months

期刊介绍： The Journal of Physical Chemistry (JPC) Letters is devoted to reporting new and original experimental and theoretical basic research of interest to physical chemists, biophysical chemists, chemical physicists, physicists, material scientists, and engineers. An important criterion for acceptance is that the paper reports a significant scientific advance and/or physical insight such that rapid publication is essential. Two issues of JPC Letters are published each month.