Surface-enhanced FT-Raman spectrum of methylviolegen on the array reveals that Raman scattering in near IR region was mainly enhanced via a chemical enhancement mechanism.

• 甲基紫精在银纳米粒子阵列上的表面增强FT-拉曼光谱表明在近红外区拉曼散射的表面增强主要来自于化学增强效应。