Gradient Bandgap-Tunable Perovskite Microwire Arrays toward Flexible Color-Cognitive Devices

Yue Fu; Meng Yuan; Yingjie ZhaoMeiqiu DongYangwu GuoKui WangChunqi JinJiangang FengYuchen WuLei Jiang

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Gradient Bandgap-Tunable Perovskite Microwire Arrays toward Flexible Color-Cognitive Devices

机译：Gradient Bandgap-Tunable Perovskite Microwire Arrays toward Flexible Color-Cognitive Devices

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Color-cognitive detection plays an important role in many developing applicationssuch as optical sensing, high-solution imaging, wearable biometricmonitoring, and human visual cognitive system. Although color-cognitivedevices have been demonstrated, the large size, complex manufacturing, highcost, and non-flexible processing impede their applications for distinguishingcolor information. Herein, gradient bandgap-tunable perovskite microwirearrays with excellent crystallinity and pure crystallographic orientation arerealized by the synergy of the capillary-bridge assembly method and mildcomponent engineering processing, yielding high-performance integratedcolor-cognitive devices with the spectral resolution of 14 nm ranging from405 nm to 760 nm, responsivities over 10~3 A W~(?1), and detectivities over 10~(15)Jones. Furthermore, the integrated flexible color-cognitive devices are demonstratedfor accurately recognizing similar colors, which can be applied in colorblindness correction. The efficient color recognition performances, togetherwith the flexible processing, open new opportunities for the on-chip integrationof wearable devices based on microwire arrays.

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来源
《Advanced functional materials》 |2023年第11期|2214094.1-2214094.10|共10页
作者
Yue Fu; Meng Yuan; Yingjie ZhaoMeiqiu DongYangwu GuoKui WangChunqi JinJiangang FengYuchen WuLei Jiang;
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Ji Hua LaboratoryFoshan, Guangdong 528200, P. R. China;

Key Laboratory of Bio-inspired Materials and Interfacial ScienceTechnical Institute of Physics and ChemistryChinese Academy of SciencesBeijing 100190, P. R. China University of Chinese Academy of Sciences (UCAS)Beijing 100049, P. R. China;

College of ChemistryZhengzhou UniversityZhengzhou 450001, P. R. ChinaGPL Photonics LabState Key Laboratory of Applied OpticsChangchun Institute of OpticsFine Mechanics and PhysicsChinese Academy of SciencesChangchun 130033, P. R. ChinaDivision of Physics and Applied PhysicsSchool of Physical and Mathematical SciencesNanyang Technological UniversitySingapore 637371, SingaporeJi Hua LaboratoryFoshan, Guangdong 528200, P. R. China Key Laboratory of Bio-inspired Materials and Interfacial ScienceTechnical Institute of Physics and ChemistryChinese Academy of SciencesBeijing 100190, P. R. ChinaKey Laboratory of Bio-inspired Materials and Interfacial ScienceTechnical Institute of Physics and ChemistryChinese Academy of SciencesBeijing 100190, P. R. China;

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color cognition; component engineering; microwire arrays; perovskites; photodetectors;

Gradient Bandgap-Tunable Perovskite Microwire Arrays toward Flexible Color-Cognitive Devices

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