Optically excited flexible room temperature gas sensor and preparation method and application thereof

By employing a sandwich structure consisting of a flexible gas-sensitive material layer, a flexible electrode layer, and a flexible photoexcitation layer, and using a non-uniform spatial gradient LED arrangement, the problems of weak response and poor selectivity of flexible gas sensors at room temperature are solved, achieving low power consumption and high sensitivity gas detection, which is suitable for wearable devices and portable sensing devices.

CN122409512APending Publication Date: 2026-07-17NORTHEASTERN UNIV CHINA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NORTHEASTERN UNIV CHINA
Filing Date
2026-06-16
Publication Date
2026-07-17

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Abstract

本发明公开一种光激发柔性室温气体传感器及其制备方法和应用，属于气体传感器技术领域。该传感器由柔性气敏材料层、柔性电极层和柔性光激发层构成，柔性电极层作为中间层，形成柔性光‑电耦合三明治结构；其中，柔性气敏材料层为自粘附性有机水凝胶薄膜；柔性电极层由柔性基底和叉指电极组成；柔性光激发层包括柔性电路基底、柔性光激发电路及低功耗微型LED阵列，其依据叉指电极结构及空间电场分布进行对应排布，在柔性气敏材料层内部形成空间梯度光场分布。该传感器能有效克服现有柔性气体传感器室温下响应性能和长期稳定性不足问题，柔韧性与机械形变适应能力优异，多种工作模式切换，室温条件下实现对目标气体的高灵敏检测与选择性识别。
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