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Resolution: standard / high Figure 4.
Plots of (αhν)2versus hν of ZnO QDs with different concentrations of Cd. (a) 0%, (b) 2%, (c) 5%, (d) 10%, (e) 20%.
Zhang et al. Nanoscale Research Letters 2012 7:405 doi:10.1186/1556-276X-7-405 |
