Potential usage of cesium manganese halide for multi-functional optoelectronic devices: Display &amp; photodetector application

Yoo, Jung Hyeon; Kwon, Seok Bin; Park, Jaewan; Choi, Seung Hee; Yoo, Ho Chan; Kang, Bong Kyun; Song, Young Hyun; Hong, Seongin; Yoon, Dae Ho

doi:10.1016/j.cej.2023.147277

Chemical Engineering Journal

2024

DOI: 10.1016/j.cej.2023.147277

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Potential usage of cesium manganese halide for multi-functional optoelectronic devices: Display & photodetector application

Jung Hyeon Yoo,

Seok Bin Kwon,

Jaewan Park

et al.

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2024

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Cited by 3 publications

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Effect of the oleylamine on non-stoichiometric crystal growth for Cs–Cu-X (X = Br, I) ternary system based microcrystal

Yoo,

Park

et al. 2024

Materials Today Chemistry

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Effect of the oleylamine on non-stoichiometric crystal growth for Cs–Cu-X (X = Br, I) ternary system based microcrystal

Yoo,

Park

et al. 2024

Materials Today Chemistry

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Enhancing thermal consistency and stability of quantum dots through encapsulation: A study on microscale-structured hybrid for WLEDs

Nguyen,

Tran,

Kumar

et al. 2024

Materials Today Nano

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Combining SSVD and subsequent heat treatment processes to fabricate high-quality CsPbBr3 perovskite films

Yeh,

Chan

2024

Journal of Applied Physics

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Perovskites, known for their excellent photoluminescence efficiency and color purity, have seen widespread application in flat panel displays and lighting in recent years. Here, we present a process for fabricating CsPbBr3 perovskite film (PeFilm) with high luminescent properties and remarkable weather resistance. By combining single-source vapor deposition (SSVD) with subsequent heat treatment, the quality of PeFilms has been significantly improved. We enhanced the quality of PeFilms by using a thermal annealing process to remove PbBr2 from CsPb2Br5. During annealing, PbBr2 evaporates from PeFilms, changing the crystal phase to CsPbBr3. The heat treatment rearranges atoms between grains, promoting grain growth and fusion, producing larger crystals and reducing defects. The research results demonstrate that the integration of SSVD and appropriate heat treatment enables the fabrication of the CsPbBr3 PeFilm with an emission wavelength of 533 nm, CIE coordinates of (0.1842, 0.7797), and a photoluminescence quantum yield (PLQY) of 52.1%, and even after storing it in atmospheric conditions for 100 days, the PLQY of the CsPbBr3 PeFilm remains above 52%, demonstrating excellent stability.

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Potential usage of cesium manganese halide for multi-functional optoelectronic devices: Display & photodetector application

Cited by 3 publications

References 56 publications

Effect of the oleylamine on non-stoichiometric crystal growth for Cs–Cu-X (X = Br, I) ternary system based microcrystal

Effect of the oleylamine on non-stoichiometric crystal growth for Cs–Cu-X (X = Br, I) ternary system based microcrystal

Enhancing thermal consistency and stability of quantum dots through encapsulation: A study on microscale-structured hybrid for WLEDs

Combining SSVD and subsequent heat treatment processes to fabricate high-quality CsPbBr3 perovskite films

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