|
Resolution: standard / high Figure 4.
Variations in the emission intensity ratios (I520/I585) of the co-doped silica particles. Recoded at the start pH (pH = 4) and end pH (pH = 8) of different cycles. The excitation
wavelength was at 450 nm.
Xu et al. Nanoscale Research Letters 2011 6:561 doi:10.1186/1556-276X-6-561 |
