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Optoelectronics of Lead-Free Antimony- and Bismuth-Based Metal Halides for Sensitive and Low-Noise Photodetection
Advanced Functional Materials ( IF 18.5 ) Pub Date : 2024-09-18 , DOI: 10.1002/adfm.202413612 Zhenglin Jia 1 , Maria P. Davydova 2 , Taisiya S. Sukhikh 2 , Hailin Liu 1 , Yong Liu 1 , Alexander V. Artem'ev 2 , Qianqian Lin 1
Advanced Functional Materials ( IF 18.5 ) Pub Date : 2024-09-18 , DOI: 10.1002/adfm.202413612 Zhenglin Jia 1 , Maria P. Davydova 2 , Taisiya S. Sukhikh 2 , Hailin Liu 1 , Yong Liu 1 , Alexander V. Artem'ev 2 , Qianqian Lin 1
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Organic–inorganic hybrid halide perovskites have emerged as the most promising optoelectronic materials for next-generation solution-processed devices, primarily attributed to their distinctive properties such as cost-effectiveness, facile fabrication process, high light absorption coefficient, tunable bandgap, and relatively high charge carrier mobility. Nevertheless, the presence of Pb elements is inevitable in most high-performance perovskite optoelectronic devices, posing environmental pollution concerns and impeding their commercialization. In this study, two novel non-toxic bismuth- and antimony-based perovskite materials with environmentally conscious approaches are developed. Their structures and optoelectronic properties have been systematically characterized. Subsequently, photoconductive- and photodiode-type photodetectors are designed and fabricated. Notably, the photodiode configuration exhibits exceptionally low dark current and noise, superior detection sensitivity, fast response speed, and good device stability. Owing to these superior performance metrics, the devices demonstrate great potential for real applications. Furthermore, this study furnishes a theoretical framework and design perspectives for the solution-processed semiconductor materials.
中文翻译：
用于灵敏和低噪声光探测的无铅锑基和铋基金属卤化物的光电子学
有机-无机杂化卤化物钙钛矿已成为下一代溶液处理器件最有前途的光电材料，这主要归因于其独特的特性，例如成本效益、简单的制造工艺、高光吸收系数、可调带隙和相对较高的电荷载流子迁移率。然而，在大多数高性能钙钛矿光电器件中，Pb 元素的存在是不可避免的，这构成了环境污染问题并阻碍了其商业化。在这项研究中，开发了两种具有环保意识的新型无毒铋基和锑基钙钛矿材料。它们的结构和光电特性已被系统表征。随后，设计和制造了光电导和光电二极管型光电探测器。值得注意的是，光电二极管配置表现出极低的暗电流和噪声、卓越的检测灵敏度、快速响应速度和良好的器件稳定性。由于这些卓越的性能指标，这些器件在实际应用中表现出了巨大的潜力。此外，本研究为溶液处理半导体材料提供了理论框架和设计视角。
更新日期：2024-09-18
中文翻译：
用于灵敏和低噪声光探测的无铅锑基和铋基金属卤化物的光电子学
有机-无机杂化卤化物钙钛矿已成为下一代溶液处理器件最有前途的光电材料，这主要归因于其独特的特性，例如成本效益、简单的制造工艺、高光吸收系数、可调带隙和相对较高的电荷载流子迁移率。然而，在大多数高性能钙钛矿光电器件中，Pb 元素的存在是不可避免的，这构成了环境污染问题并阻碍了其商业化。在这项研究中，开发了两种具有环保意识的新型无毒铋基和锑基钙钛矿材料。它们的结构和光电特性已被系统表征。随后，设计和制造了光电导和光电二极管型光电探测器。值得注意的是，光电二极管配置表现出极低的暗电流和噪声、卓越的检测灵敏度、快速响应速度和良好的器件稳定性。由于这些卓越的性能指标，这些器件在实际应用中表现出了巨大的潜力。此外，本研究为溶液处理半导体材料提供了理论框架和设计视角。
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