Figure 2.

Fluorescence spectra and intensities of Eu(III) on partially Fe(III)-coated silica. (a) Fluorescence spectra (λexc = 394 nm), and (b) fluorescence intensities (λexc = 394 nm) of Eu(III) on partially Fe(III)-coated silica at 613 nm, according to the amount of coated Fe(III) at pH 7.

Im et al. Nanoscale Research Letters 2012 7:51   doi:10.1186/1556-276X-7-51
Download authors' original image