一种银基底及其制备方法和应用
By preparing a silver substrate on an aluminum foil paper substrate, using silver nitrate to react with an alkali to form a silver seed, and then growing it in situ in a hydroquinone solution, the problems of complex preparation, high cost, and high loss rate of existing SERS substrates are solved, and highly sensitive surface-enhanced Raman detection is achieved.
CN121347481BActive Publication Date: 2026-07-17HUAZHONG NORMAL UNIV
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HUAZHONG NORMAL UNIV
- Filing Date
- 2025-09-18
- Publication Date
- 2026-07-17
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Figure CN121347481B_ABST
Abstract
本发明提供了一种银基底及其制备方法和应用，上述制备方法首先利用硝酸银与过量碱的反应在铝箔纸基板表面引入分散银种，为后续银生长提供原位成核位点；随后通过对苯二酚与硝酸银的原位还原反应，使银在银种基础上可控生长形成富含热点的结构。由于全程采用铝箔、硝酸银、碱和对苯二酚等常规原料，无需复杂设备，因此工艺简便且成本低廉；同时，分步调控机制确保银基底表面形成大量由纳米结构间隙、尖端构成的“热点”——这一关键结构可显著增强拉曼信号，满足高灵敏度检测需求。综上，该方法兼具制备便捷性、成本优势与产物高性能，为表面增强拉曼光谱检测领域提供了易推广、高适配的实用基底，具备显著应用价值。
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