ArticleLight, science & applications2024
Ultrafast near-infrared pyroelectric detector based on inhomogeneous plasmonic metasurface.
Article in Light, science & applications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Nanoscale Compositional and Strain Gradients Enable High-Speed and Amplitude-Resolved Pyroelectric Sensing.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Synergistic Pyroelectric-Bolometric Coupling in Tellurene Nanowire for Energy-Efficient Artificial Vision.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- High-performance organic semiconductor near-infrared and shortwave-infrared photodetectors: a materials and device roadmap.Chemical science · 2025Review
- Convergence of Thermistor Materials and Focal Plane Arrays in Uncooled Microbolometers: Trends and Perspectives.Nanomaterials (Basel, Switzerland) · 2025Review
- Advanced Mid-Infrared Sensors for Molecular Analysis.Analytical chemistry · 2025Review
- Emerging Thermal Detectors Based on Low-Dimensional Materials: Strategies and Progress.Nanomaterials (Basel, Switzerland) · 2025Review
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Authors and funding
13 authors.
Funding
Abstract
Pyroelectric (PE) detection technologies have attracted extensive attention due to the cooling-free, bias-free, and broadband properties. However, the PE signals are generated by the continuous energy conversion processes from light, heat, to electricity, normally leading to very slow response speeds. Herein, we design and fabricate a PE detector which shows extremely fast response in near-infrared (NIR) band by combining with the inhomogeneous plasmonic metasurface. The plasmonic effect dramatically accelerates the light-heat conversion process, unprecedentedly improving the NIR response speed by 2-4 orders of magnitude to 22 μs, faster than any reported infrared (IR) PE detector. We also innovatively introduce the concept of time resolution into the field of PE detection, which represents the detector's ability to distinguish multiple fast-moving targets. Furthermore, the spatially inhomogeneous design overcomes the traditional narrowband constraint of plasmonic systems and thus ensures a wideband response from visible to NIR. This study provides a promising approach to develop next-generation IR PE detectors with ultrafast and broadband responses.
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Registered trials
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