Figure 1From: Formation of PbSe/CdSe Core/Shell Nanocrystals for Stable Near-Infrared High Photoluminescence EmissionTEM images and histograms of 4.8 nm PbSe (a, b) and 6.2 nm PbSe/CdSe (c, d) QDs. The PbSe and PbSe/CdSe QD samples shown here have narrow size distributions of 8.1% (b) and 6.9% (d), respectivelyBack to article page