具备高密度负载功能的生物传感器及传感系统

• Format: Patent
• Language: Chinese
• Published: 05.08.2025
• Subjects: CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; METALLURGY; PHYSICS; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; TESTING

本实用新型公开了具备高密度负载功能的生物传感器及传感系统，包括光纤本体，光纤本体上形成有传感区，在传感区表面由内至外分别附有金膜层、硼化钛和金纳米粒子膜层，本实用新型中通过金膜-硼化钛膜-金纳米粒子复合结构的设计，利用硼化钛的高载流子迁移率和高光吸收率提高金膜表面电场强度，进而提高传感器的灵敏度；利用硼化钛表面等离极化激元与金纳米粒子产生的局域等离激元相互耦合，使硼化钛膜和金纳米粒子间产生增强的局域电场，进而增强表面等离体波和待测物质的相互作用，提高检测灵敏度，金纳米粒子提供高密度探针负载，本实用新型中复合结构通过介电-等离子体协同响应，提高检测范围以及应用场景。