Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 883, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2021.160727
Keywords
Low-dimensional metal halide perovskites; Quantum dots; Nanoplatelets; Quasi-2D perovskites; Blue light emitting diodes
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Funding
- Young Scientific and Technological Innovation Research Team Funds of Sichuan Province [20CXTD0106, 2019YFG0292]
- Fundamental Research Funds for the Central Universities [2682020CX06]
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Low-dimensional metal halide perovskites show promising potential for blue light emitting diodes due to their high color purity, strong exciton binding energy, and easy fabrication of emitting layers. Despite the challenges in efficiency, luminance, and stability, there has been increasing research on the synthesis methods of LMHPs for blue LEDs. This research aims to provide new strategies for improving the performance and addressing major challenges in deep-blue perovskite LEDs for industrialization.
Low-dimensional metal halide perovskites (LMHPs) hold promising potential for light emitting diodes due to high color purity, strong exciton binding energy, and facile film fabrication of the emitting layer. However, in contrast with red and green counterparts, blue light emitting diodes (LEDs) still encounter some tough problems in efficiency, luminance, and operational stability. In recent years, dramatically increasing in-vestigations have been devoted to the synthesis method of LMHPs for blue LEDs. Herein, we describe the recent advances on blue low-dimensional perovskites involving zero-dimensional quantum dots (0D QDs), two-dimensional nanoplatelets (2D NPLs), and quasi-two-dimensional perovskites (quasi-2D perovskites) as well as the related devices. Further, we provide a new perspective for the development of blue-emissive perovskite LEDs in industrialization, including the strategies for improving performance and solutions for major challenges regarding deep-blue perovskite LEDs. (c) 2021 Elsevier B.V. All rights reserved.
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