Figure 4.

Photographs of the synthesized material a in ordinary lamp b green emission from undoped Cd0.4Zn0.6S nanocrystals under UV excitation and c orange emission from doped Cd0.4Zn0.6S:Ag (8 M %) nanocrystals under UV lamp (excitation wavelength 365 nm)

Sethi et al. Nanoscale Research Letters 2009 5:96-102   doi:10.1007/s11671-009-9449-9