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    Perovskite Study Correlates Phase Transition and Photoluminescence

    Article obtained from Photonics RSS Feed.

    Three research teams at Clemson University joined forces to study the phase transition in nanocrystal (NC) perovskites and the correlation between phase transition and photoluminescence (PL). The researchers studied NCs that included chlorine (CsPbCl3), bromine (CsPbBr3), and iodine (CsPbI3). The researchers discovered that when exposed to heat, the chlorine-based NCs behaved differently than the iodide- or bromine-based ones.

    The investigation of the temperature-dependent PL and time-resolved photoluminescence (TRPL) of NCs in the 80 to 300 K temperature range revealed a correlation between phase transition, electronic structure, and exciton dynamics. However, in contrast to the CsPbBr3 and CsPbI3 NCs, which exhibited a continuous…

    Aug, 28 2020 |

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