Fig. 8
From: Colloidal quantum dots for thermal infrared sensing and imaging
(Figure reproduced with permission from ref. [46]. Copyright American Chemical Society 2016)
Detailed optical characterization of HgSe CQDs. a Absorption and b PL data for HgSe core only (black) and HgSe/CdS core–shell (red). The shell quenches the intraband transition but causes the formation of an interband transition which is thought to be due to the de-doping effect