Efficient single-layer light-emitting diodes based on organic–inorganic lead halide perovskite and tuning luminescence properties
Publish Year: 1398
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JTAP-13-2_006
تاریخ نمایه سازی: 24 بهمن 1400
Abstract:
AbstractBecause of the interesting features of the organic/inorganic halide perovskite (e.g., CH۳NH۳PbX۳, X = Cl, Br) materials, such as long electron–hole diffusion length, high absorption coefficient and adjustable band gap, they have attracted a great deal of attention. In this research, CH۳NH۳PbX۳ (X = Br, Cl) are synthesized and perovskite-based single-layer and perovskite-based bilayer diodes are fabricated. Using electron beam deposition technique, thin films of CH۳NH۳PbX۳ (X = Br, Cl) hybrids with excellent homogeneity are manufactured. Absorption spectrum, X-ray spectrum and photoluminescence spectrum of organic/inorganic halide perovskites along with electroluminescence spectra, SEM micrographs and current–voltage characteristic of perovskite-based light-emitting diodes are investigated. Perovskite-based bilayer diodes are evaluated for the first time. The difference between the emission wavelengths of single-layer and bilayer diodes is the main characteristic of bilayer diodes.
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Authors
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Department of Engineering Sciences, Faculty of Advanced Technologies, University of Mohaghegh Ardabili;Department of Engineering Sciences, Faculty of Advanced Technologies, Sabalan University of Advanced Technologies (SUAT)
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School of Engineering-Emerging Technologies, University of Tabriz;Department of Electrical Engineering, Science and Research Branch, Islamic Azad University
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Research Institute for Applied Physics and Astronomy, University of Tabriz