Figure 4.

Raman spectra of samples A (a), B (b), C (c), and D (d), recorded by exciting the samples with 325-nm laser beam. The inset shows the Raman bands of ZnO/ZnSe core/shell NRs (samples B, C, and D in the downward order).

Yang et al. Nanoscale Research Letters 2014 9:31   doi:10.1186/1556-276X-9-31
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