Robust fluorescein-doped silica nanoparticles via dense-liquid treatment
2007
Robust fluorescein-doped silica nanoparticles were synthesized by the conventional Stober method and following dense-liquid treatment. The as-prepared nanoparticles present stable fluorescence in a wide range of pH value. BET measurements show the dense-liquid process is effective to close the pores of the silica surface and thus effective to prevent the penetration of protons into the particles.
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