Abstract
We report a simple approach to fabricate cost-effective and highly sensitive surface-enhanced Raman scattering substrates based on Au/Cu hybrid nanostructure arrays for the detection of urea, an important molecule in biological and medical fields. By effectively adjusting the gap size between neighbouring nanorods into the sub-10 nm regime, a high density of hot-spots was generated, enabling the substrates to detect urea signals at a concentration as low as 1 mM with great reproducibility.
| Original language | English |
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| Pages (from-to) | 7949-7952 |
| Number of pages | 4 |
| Journal | Chemical Communications |
| Volume | 53 |
| Issue number | 56 |
| DOIs | |
| Publication status | Published - 2017 |