Improvement of the optical properties of two-dimensional perovskite (FPEA)2PbI4 by polymer encapsulation

Pengfei MA; Gongjie XU

doi:10.3969/j.issn.1005-5630.2022.005.010

Journals >Optical Instruments >Volume 44 >Issue 5 >Page 77 > Article

Optical Instruments
Vol. 44, Issue 5, 77 (2022)

Improvement of the optical properties of two-dimensional perovskite (FPEA)₂PbI₄ by polymer encapsulation

Pengfei MA and Gongjie XU^*

Author Affiliations

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

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DOI: 10.3969/j.issn.1005-5630.2022.005.010 Cite this Article

Pengfei MA, Gongjie XU. Improvement of the optical properties of two-dimensional perovskite (FPEA)₂PbI₄ by polymer encapsulation[J]. Optical Instruments, 2022, 44(5): 77 Copy Citation Text

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Morphology and structure characterization of (FPEA)2PbI4

Fig. 1. Morphology and structure characterization of (FPEA)₂PbI₄

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Fig. 2. Optical characteristics of 2D perovskite film

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Fig. 3. The comparison of PL intensity by encapsulation of three polymers

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Fig. 4. Improved optical stability of two-dimensional perovskite (FPEA)₂PbI₄ by polymer encapsulation

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Fig. 5. Improved humidity stability of (FPEA)₂PbI₄ by polymer encapsulation

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激发功率/μW	$ {\mathit{A}}_{1} $	$ {\mathit{\tau }}_{1} $/ns	$ {\mathit{A}}_{2} $	$ {\mathit{\tau }}_{2} $/ns	$ \mathit{\tau } $/ns
200	1.05579	0.13735	0.04739	1.13165	0.405789
300	1.06944	0.1215	0.03346	1.2306	0.388389
400	1.06648	0.10055	0.03061	1.06051	0.323622

Table 1. The Fitting data of 2D perovskite film

Pengfei MA, Gongjie XU. Improvement of the optical properties of two-dimensional perovskite (FPEA)₂PbI₄ by polymer encapsulation[J]. Optical Instruments, 2022, 44(5): 77

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