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Article

A Novel Strategy for the Synthesis of High Stability of Luminescent Zero Dimensional–Two Dimensional CsPbBr3 Quantum Dot/1,4-bis(4-methylstyryl)benzene Nanoplate Heterostructures at an Atmospheric Condition

by
Yanran Wang
1,2,
Ming-yu Li
1,2,*,
Shijie Liu
2,
Yuan Ma
2,
Bo Sun
2,
Liangyu Wang
2,
Haifei Lu
2,
Xiaoyan Wen
2,
Sisi Liu
2,* and
Xumin Ding
3
1
Donghai Laboratory, Zhoushan 316021, China
2
School of Science, Wuhan University of Technology, Wuhan 430070, China
3
Advanced Microscopy and Instrumentation Research Center, School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin 150090, China
*
Authors to whom correspondence should be addressed.
Nanomaterials 2023, 13(19), 2723; https://doi.org/10.3390/nano13192723
Submission received: 22 August 2023 / Revised: 27 September 2023 / Accepted: 29 September 2023 / Published: 7 October 2023
(This article belongs to the Special Issue Nano-Optics and Nano-Optoelectronics: Challenges and Future Trends)
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Abstract

Perovskite quantum dots (QDs), emerging with excellent bright-green photoluminescence (PL) and a large absorption coefficient, are of great potential for the fabrication of light sources in underwater optical wireless communication systems. However, the instability caused by low formation energy and abundant surface traps is still a major concern for perovskite-based light sources in underwater conditions. Herein, we propose ultra-stable zero dimensional–two dimensional (0D–2D) CsPbBr3 QD/1,4-bis(4-methylstyryl)benzene (p-MSB) nanoplate (NP) heterostructures synthesized via a facile approach at room temperature in air. CsPbBr3 QDs can naturally nucleate on the p-MSB NP toluene solution, and the radiative combination is drastically intensified owing to the electron transfer within the typical type-II heterostructures, leading to a sharply increased PLQY of the heterostructure thin films up to 200% compared with the pristine sample. The passivation of defects within CsPbBr3 QDs can be effectively realized with the existence of p-MSB NPs, and thus the obviously improved PL is steadily witnessed in an ambient atmosphere and thermal environment. Meanwhile, the enhanced humidity stability and a peak EQE of 9.67% suggests a synergetic strategy for concurrently addressing the knotty problems on unsatisfied luminous efficiency and stability of perovskites for high-performance green-emitting optoelectronic devices in underwater applications.
Keywords: perovskite quantum dots; p-MSB nanoplate; typical type-II heterostructure; high photoluminescence quantum yield; moisture stability perovskite quantum dots; p-MSB nanoplate; typical type-II heterostructure; high photoluminescence quantum yield; moisture stability

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MDPI and ACS Style

Wang, Y.; Li, M.-y.; Liu, S.; Ma, Y.; Sun, B.; Wang, L.; Lu, H.; Wen, X.; Liu, S.; Ding, X. A Novel Strategy for the Synthesis of High Stability of Luminescent Zero Dimensional–Two Dimensional CsPbBr3 Quantum Dot/1,4-bis(4-methylstyryl)benzene Nanoplate Heterostructures at an Atmospheric Condition. Nanomaterials 2023, 13, 2723. https://doi.org/10.3390/nano13192723

AMA Style

Wang Y, Li M-y, Liu S, Ma Y, Sun B, Wang L, Lu H, Wen X, Liu S, Ding X. A Novel Strategy for the Synthesis of High Stability of Luminescent Zero Dimensional–Two Dimensional CsPbBr3 Quantum Dot/1,4-bis(4-methylstyryl)benzene Nanoplate Heterostructures at an Atmospheric Condition. Nanomaterials. 2023; 13(19):2723. https://doi.org/10.3390/nano13192723

Chicago/Turabian Style

Wang, Yanran, Ming-yu Li, Shijie Liu, Yuan Ma, Bo Sun, Liangyu Wang, Haifei Lu, Xiaoyan Wen, Sisi Liu, and Xumin Ding. 2023. "A Novel Strategy for the Synthesis of High Stability of Luminescent Zero Dimensional–Two Dimensional CsPbBr3 Quantum Dot/1,4-bis(4-methylstyryl)benzene Nanoplate Heterostructures at an Atmospheric Condition" Nanomaterials 13, no. 19: 2723. https://doi.org/10.3390/nano13192723

APA Style

Wang, Y., Li, M.-y., Liu, S., Ma, Y., Sun, B., Wang, L., Lu, H., Wen, X., Liu, S., & Ding, X. (2023). A Novel Strategy for the Synthesis of High Stability of Luminescent Zero Dimensional–Two Dimensional CsPbBr3 Quantum Dot/1,4-bis(4-methylstyryl)benzene Nanoplate Heterostructures at an Atmospheric Condition. Nanomaterials, 13(19), 2723. https://doi.org/10.3390/nano13192723

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