Figure 1.

Normalized PL spectra of CdSe NCs from the same solution, as function of time: (a) 0.5 min, λmax: 513 nm; (b) 2.5 min, λmax: 543 nm; (c) 3.5 min, λmax: 564 nm; (d) 4 min, λmax: 577 nm; (e) 5 min, λmax: 594 nm

Zhu et al. Nanoscale Research Letters 2008 3:213-220   doi:10.1007/s11671-008-9139-z