Photoluminescence Studies of CdS Nanoparticles - Proceedings of All India Seminar on Biomedical Engineering 2012 (AISOBE-2012) - page 81

Fig. 1 Photoluminescence
spectra of Cds

Fig. 2 Photoluminescence
spectra of nanoparticles of
CdS for different excitation
wavelengths: a 300 nm,
b 240 nm, and c 230 nm

of the sample is recorded using spectrofluorometer or different excitation

wavelengths.
For the measurement of photoluminescence (PL) intensity, the particle was
placed on a bare glass slide by using toluene and the glass slide was fixed onto the
entrance slit of the monochromator. A filter was used between the sodium mercury
lamp and the nanoparticles so that photoluminescence excitation can take place.
By rotating the drum of the monochromator, the wavelength can be varied and thus
relative PL intensity can be measured, and subsequently the PL spectra can be
recorded.