▎ 摘　　要

NOVELTY - Preparation of silica-based nano-multilayer hollow capsule one-dimensional photonic crystal film involves preparing self-assembled layers of nano-silica multilayer hollow capsules, washing silicon substrate, fixing nano-silica layer hollow capsules on silicon surface by performing spin-coating, obtaining one-dimensional photonic crystal substrate film, preparing titania colloidal solution and graphene oxide colloidal solution, performing layer by layer by a spin coating, and applying titania colloidal solution and graphene oxide colloidal solution into bottom surface of substrate. USE - Preparation of silica-based nano-multilayer hollow capsule one-dimensional photonic crystal film (claimed). ADVANTAGE - The silica-based nano-multilayer hollow capsule one-dimensional photonic crystal film has high sensitivity of detection, and is prepared by simple, effective and easy method within short period of time. DETAILED DESCRIPTION - Preparation of silica-based nano-multilayer hollow capsule one-dimensional photonic crystal film involves preparing self-assembled layers of nano-silica multilayer hollow capsules, washing silicon substrate, drying, fixing nano-silica layer hollow capsules on silicon surface by performing spin-coating with speed of 3000-6000 rpm for 30 seconds to 1 minute, obtaining one-dimensional photonic crystal substrate film, preparing titania colloidal solution having concentration of 7.8-39 mg/ml and graphene oxide colloidal solution having concentration of 0.1-0.5 mg/ml, performing layer by layer by a spin coating with speed of 3000-6000 rpm for 30 seconds to 1 minute, applying titania colloidal solution and graphene oxide colloidal solution into bottom surface of substrate, obtaining silica-based nano-multilayer hollow capsule one-dimensional photonic crystal film.