Stability improvement of CsPbI<sub>3</sub> perovskite quantum dots based on Pb-MOF

Xiaohua GAO; Gongjie XU

doi:10.3969/j.issn.1005-5630.202403060036

Optical Instruments, Volume. 47, Issue 3, 51(2025)

Stability improvement of CsPbI₃ perovskite quantum dots based on Pb-MOF

Xiaohua GAO and Gongjie XU^*

School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China

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Figures & Tables(4)

Fig. 1. Synthesis procedure of CsPbI₃@Pb-MOF-OLAMI and XRD patterns of CsPbI₃@Pb-MOF-OLAMI, CsPbI₃@Pb-MOF, and Pb-MOF

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Fig. 2. Characterization of optical properties of CsPbI₃@Pb-MOF-OLAMI, CsPbI₃@Pb-MOF, and CsPbI₃

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Fig. 3. Comparison of thermal stability, phase stability, and optical illumination stability in terms of PL intensity of CsPbI₃@Pb-MOF-OLAMI, CsPbI₃@Pb-MOF, and CsPbI₃

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Table 1. Fitting parameters of photoluminescence lifetime

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Table 1. Fitting parameters of photoluminescence lifetime

材料	$ {A_1} $	$ {\tau _1} $/ns	$ {A_2} $	$ {\tau _2} $/ns	$ \tau $/ns
CsPbI3@Pb-MOF-OLAMI	0.50228	5.76432	0.49896	29.74509	25.8305
CsPbI3@Pb-MOF	0.38531	3.35171	0.50011	32.66015	30.5126
CsPbI3	0.60983	52.27217	0.27692	8.55318	49.2484