Fig. 2

a–c TEM images, d–f SAED patterns and g–i enlarged TEM images of CsSn0.1Pb0.9I3 QDs, CsSn0.2Pb0.8I3 QDs and CsSn0.3Pb0.7I3 QDs
a–c TEM images, d–f SAED patterns and g–i enlarged TEM images of CsSn0.1Pb0.9I3 QDs, CsSn0.2Pb0.8I3 QDs and CsSn0.3Pb0.7I3 QDs