Figure 2: PL spectra change of InP/GaP core/inner shell growth. | Scientific Reports

Figure 2: PL spectra change of InP/GaP core/inner shell growth.

From: Highly luminescent InP/GaP/ZnS QDs emitting in the entire color range via a heating up process

Figure 2

As the reaction temperature is elevated, spectrums move to a long wavelength region and contents of gallium are also increased. (1a) PL spectra of InP/GaP/ZnS QD. PL peaks are blue shifted as increase of surfactant (4.5 eq~9.1 eq). But excess amount of surfactant leads red shift and broadening of FWHM. (b) TEM images of three samples for different colors. Blue: 2.7 nm (c), Green: 3.2 nm (d), Red: 4.1 nm (e).

Back to article page