For the cases of MAPbX 3 and MASnX 3 NPs, there is a clear trend that the NST QDs have stronger transitions.
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Electronic and Optical Properties of Ultrasmall ABX<sub>3</sub> (A = Cs, CH<sub>3</sub>NH<sub>3</sub>/B = Ge, Pb, Sn, Ca, Sr/X = Cl, Br, I) Perovskite Quantum Dots.
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