Precious-metal nano-rod and precious-metal nano-particles composite structure and preparation method thereof

• Main Authors: WANG JING, WANG CHAOGUANG, CHEN JIAN, WU XUEZHONG, LI BAINI, DONG PEITAO
• Format: Patent
• Language: Chinese; English
• Published: 14.12.2018
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention discloses a precious-metal nano-rod and precious-metal nano-particles composite structure and a preparation method thereof. The structure comprises a substrate, a metal film layer, a precious-metal film layer, a precious-metal nano-rod and precious-metal nano-particles; the metal film layer is at least arranged on the top surface of the substrate; the precious-metal film layer is arranged on the top surface of the metal film layer; the precious-metal nano-rod is arranged on the precious-metal film layer; the precious-metal nano-particles form electric adsorptive force or covalentbond binding force through a polymer layer to combine to the surface of the precious-metal nano-rod; and an included angle of the axial direction of the precious-metal nano-rod and the normal direction of the substrate surface is 60-85 DEG. The obtained structure is used as the SERS, and the SERS hotspot quantity of the obtained structure material can be improved by using the same. 本发明公开了种贵金属纳米棒-贵金属纳米颗粒复合结构及其制备方法，该结构包括包括