Author Affiliations
1School of Physical Science and Technology, Guangxi University, Nanning 530004, China2Guangxi Key Laboratory of Processing for Non-Ferrous Metal and Featured Materials, Guangxi University, Nanning 530004, Chinashow less
Fig. 1. Morphology and crystal structure of nanocrystals (NCs): (a), (b) TEM images of CsPbCl
3 and Cu doped CsPbCl
3 NCs, the inset shows high resolution TEM images of a single NC
[49]; (c) XRD patterns of CsPbCl
3 and Cu doped CsPbCl
3 NCs
[49].
Fig. 2. Optical properties and crystal structure of metal ion doped CsPbCl
3 NCs. (a) Absorption and PL spectra of CsPbCl
3 and Cu-doped CsPbCl
3 NCs
[49]. (b) Schematic diagram of doping models for BaCl
2 doped CsPbCl
3[50]. PL spectra (c) and PL decay curves (d) of CsPbCl
3 NCs before and after CdCl
2 treatment. The inset in panel (c) shows the photos of untreated and treated samples under a UV lamp
[52]. (e) Band structure and DOS of Ni
2+:CsPbCl
3 by DFT calculation. The horizontal dotted line represents the Fermi level
[53] Fig. 3. Optical properties and crystal structure of metal ion doped CsPbBr
3 NCs: (a) Schematic illustration of Sb
3+ doped CsPbBr
3[57]; (b) PLQY vs. Ni
2+ doping concentration of CsPbBr
3 NCs
[59]; (c) PLQY vs. Cu
2+ doping concentration of CsPbBr
3 NCs; electronic band structures before (d) and after (e) of Cu
2+doped CsPbBr
3 NCs by DFT calculations
[60]; (f) PL spectra and PLQYs before and after Mg
2+ doping of CsPbCl
3 and CsPbBr
3 NCs
[51] Fig. 4. Optical properties of metal ion doped CsPbI
3 NCs: (a) PLQY of CsPbBrI
2 NCs solution with different dopant concentration of Cu
2+[62]; (b) PLQY values as a function of aged days for unsubstituted and Sr
2+-substituted CsPbI
3 NCs solutions
[63]; (c) absorption and PL spectra of as-synthesized Ni (II) doped CsPbI
3 NCs
[64]; successive PL spectra of Sb
3+ doped (d) and undoped (e) CsPbI
3 NCs
[65]; (f) the absorption and PL peak maxima and PLQYs of CsPbI
3 NCs with different Zn-to-(Zn plus Pb) ratios
[66] Fig. 5. Optical properties of Mn
2+ doped CsPbI
3 NCs: (a) PL spectra and photographs under UV excitation of CsPbCl
3 NCs before and after Mn
2+ doping
[67]; (b), (c) PL intensity and PL lifetime of Mn
2+:CsPbCl
3 at different temperature (340 and 360 K) with different time
[69].
Fig. 6. Optical properties of CsPb
X3 NCs doped with metal ions and Mn
2+: (a) PLQY of Mn
2+ doped CsPb
X3 NCs vs. Ni/Pb ratios
[72]; (b) PL spectrum and PL decay curve of Mn
2+ doped CsPb
X3 NCs after treatment with CdCl
2 solution
[73]; (c) digital photos of Mn
2+ doped CsPb
X3 NCs before and after treatment with CdCl
2 solution under UV excitation with different purification times
[73].