Edge-enhanced Raman scattering effect was demonstrated on nanoedge array, depositing Au film on the profile of anodized aluminum oxide template with the pore diameter of 30 nm and the channel length of 50 μm. The results showed a prominent superior Raman enhancement from the nanoedge array on the highly reproducible, uniform, and sensitive substrate with an enhancement factor of 107, which suggested the potential applications in ultrasensitive edge-enhanced Raman detection.
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Liu et al. (2011) studied this question.
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