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. 2014 Apr 18;136(18):6550–6553. doi: 10.1021/ja5006288

Figure 1.

Figure 1

(a, from left to right) Illustration of the phase-transfer of PbS NCs from nonpolar solvent (hexane) to polar solvent (MFA) caused by the exchange of oleate capping with MAPbI3; other examples of halometallate-capped NCs (CdS-SbCl3, InP-InCl3, CdSe-FeCl2, Au-InCl3, Pd-InCl3 in PC as a solvent). (b) FTIR spectra before and after exchange of oleate-capping on the surface of PbS NCs with KPbI3. (c) Electrophoretic mobility for oleate-capped PbS NCs in toluene (black) and MAPbI3-stabilized PbS NCs in PC. (d, e) TEM images of PbS-MAPbI3 and PbS-PbI2 NCs.