基于高性能S-CYHEAPbI3自供电探测器的单像素成像系统。

IF 3.1 2区物理与天体物理 Q2 OPTICS

Optics letters Pub Date : 2025-07-01 DOI:10.1364/OL.566338

Xiaoting Wang, Cuili Cui, Long Yuan, Zhihui Kang, Jiahao Bai, Jiajia Ning, Ling Zuo, Hanzhuang Zhang, Yinghui Wang

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引用次数: 0

摘要

提出了一种制备具有ITO/S-CYHEAPbI3/Ag结构的铁电S-CYHEAPbI3多晶光电探测器（pd）薄膜的方法。PD具有良好的光电性能，在0.3 V的偏置电压下，其通断比为1.87 × 104，响应率(R)为14.3 a W-1，探测率为5.42 × 1012 Jones，自供电光电性能为0.42 a W-1，探测率为1.15 × 1012 Jones。调频测试和瞬态吸收测试共同指出，由于晶体域的阻挡，光生载流子必须花费~ 0.02 eV才能在S-CYHEAPbI3多晶薄膜中自由移动。基于PD的单像素成像系统具有自供电能力和高光稳定性，可以在无电环境下连续获取图案信息。这些结果为高性能PD的制备开辟了新的途径，并扩大了其在光电器件中的应用。

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Single-pixel imaging system based on a high performance S-CYHEAPbI₃ self-powered detector.

We carry out a route to fabricate the ferroelectric S-CYHEAPbI₃ polycrystalline films for photodetectors (PDs), with ITO/S-CYHEAPbI₃/Ag structure. The PD exhibits a good optoelectronic performance including an on-off ratio of 1.87 × 10⁴, a responsivity (R) of 14.3 A W^-1, and a detectivity of 5.42 × 10¹² Jones at a bias voltage of 0.3 V and the self-powered optoelectronic properties involving a R of 0.42 A W^-1 and a detectivity of 1.15 × 10¹² Jones. The frequency-modulation test and the transient absorption test together point out that the photo-generated carriers have to spend ∼0.02 eV to freely move in the S-CYHEAPbI₃ polycrystalline films, owing to the barrier of crystal domains. A single-pixel imaging system based on our PD can continuously obtain pattern information in power-free environments due to its self-powered capability and high photostability. These results open a new avenue for fabricating high-performance PD and broaden its application in optoelectronic devices.

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来源期刊

Optics letters 物理-光学

CiteScore

6.60

自引率

8.30%

发文量

2275

审稿时长

1.7 months

期刊介绍： The Optical Society (OSA) publishes high-quality, peer-reviewed articles in its portfolio of journals, which serve the full breadth of the optics and photonics community. Optics Letters offers rapid dissemination of new results in all areas of optics with short, original, peer-reviewed communications. Optics Letters covers the latest research in optical science, including optical measurements, optical components and devices, atmospheric optics, biomedical optics, Fourier optics, integrated optics, optical processing, optoelectronics, lasers, nonlinear optics, optical storage and holography, optical coherence, polarization, quantum electronics, ultrafast optical phenomena, photonic crystals, and fiber optics. Criteria used in determining acceptability of contributions include newsworthiness to a substantial part of the optics community and the effect of rapid publication on the research of others. This journal, published twice each month, is where readers look for the latest discoveries in optics.