Stable and efficient blue light-emitting diodes
稳定高效的蓝色发光二极管
基本信息
- 批准号:537463-2018
- 负责人:
- 金额:$ 33.8万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Collaborative Research and Development Grants
- 财政年份:2020
- 资助国家:加拿大
- 起止时间:2020-01-01 至 2021-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Display technologies have become prevalent in devices from watches to kitchen appliances. Solution-processed light-emitting diodes (LEDs) promise to reduce costs and increase the colour purity and sharpness of display technologies. However, the blue solution-processed LED has lagged behind its counterparts in operational stability, color purity, and efficiency. The pervasiveness of LEDs in display technologies warrants investigations to improve power conversion efficiency (to decrease energy consumption), increase color purity and sharpness, reduce material costs, and increase long-term operational stability.
Perovskites are a new class of materials that have found applications in efficient light emission and photovoltaics. These materials have enabled striking advances in power conversion efficiency and narrow emission linewidths (affecting display color purity) in the green and red. Blue perovskite LEDs, however are behind in efficiency and operational stability. In this project, we will identify materials with parameters that enable high performance, stable, narrow linewidth, low-cost blue emission. We will use computational chemistry methods to inform the synthesis of these materials. We will characterize these materials for emission color, linewidth and efficiency, and stability. We will then design LEDs that harness these materials' blue-emitting capability. The proposed research and development will culminate in the demonstration of efficient, narrow-linewidth, and stable blue LEDs.
This project is a partnership between UofT and Huawei Canada, a telecommunications and mobile devices company. UofT trainees will work closely with their colleagues at Huawei Canada to realize the goals of the project while gaining experience in advanced R&D in a commercial setting.
从手表到厨房电器,显示技术已经变得非常普遍。溶液处理发光二极管(led)有望降低成本,提高显示技术的色彩纯度和清晰度。然而,蓝色溶液处理的LED在操作稳定性、色彩纯度和效率方面落后于同类产品。led在显示技术中的普及需要进一步研究,以提高功率转换效率(以降低能耗),提高颜色纯度和清晰度,降低材料成本,并提高长期运行稳定性。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Sargent, Edward的其他文献
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{{ truncateString('Sargent, Edward', 18)}}的其他基金
Stable and efficient blue light-emitting diodes
稳定高效的蓝色发光二极管
- 批准号:
537463-2018 - 财政年份:2021
- 资助金额:
$ 33.8万 - 项目类别:
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Electrosynthesis of Ethanol from CO2
CO2 电合成乙醇
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$ 33.8万 - 项目类别:
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Renewable carbon-based fuels and feedstocks from solar electricity + CO2
来自太阳能发电二氧化碳的可再生碳基燃料和原料
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RGPIN-2017-06477 - 财政年份:2021
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$ 33.8万 - 项目类别:
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The electrically-powered synthesis of ethylene for the chemical industry
化学工业乙烯电动合成
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$ 33.8万 - 项目类别:
Idea to Innovation
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Discovery Grants Program - Individual
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541427-2019 - 财政年份:2020
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$ 33.8万 - 项目类别:
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Stable and efficient blue light-emitting diodes
稳定高效的蓝色发光二极管
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537463-2018 - 财政年份:2019
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