Development of white light emitting diodes using designer nanocrystalline emitters
使用设计纳米晶发射器开发白光发光二极管
基本信息
- 批准号:530545-2018
- 负责人:
- 金额:$ 7.29万
- 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:2018
- 资助国家:加拿大
- 起止时间:2018-01-01 至 2019-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
In our prior Engage collaboration, the Kambhampati group provided laser expertise and resources to enable Two-Photon Research to evaluate new methods of laser based micromachining in their primary space of optoelectronics. This common ground in optoelectronics led to this CRD proposal, based upon shared and complementary interests and expertise in new areas. ****One aims to develop new active elements for light emission. White light generation is especially important in the context of the energy crisis. White light may be generated by many means, e.g. the light emitting diode (LED). Traditional LED methods are cost ineffective due to packaging. In contrast, new materials such as organic (OLED) and quantum dot (QLED) based emitters enable cost reductions and new functionality by virtue of their processability. Current research has focused upon QD or nanocrystal (NC) systems which emit narrow bandwith light. Monochromaticity is actually a design goal in standard NC. A further improvement would be if one could make a similarly processable NC emitter that could controllably emit white light from one NC. Our prior basic science work has shown that we can understand white light emission from a single NC by chemical control of the surface. Here, we will apply these ideas in collaboration with Two-Photon Research to develop WLED from our chemically controlled surface emissive nanocrystals. ****In this proposal we will test various NC systems that we synthesize for their suitability for WLED technology. We will perform synthesis, characterization, spectroscopy, and modeling to create a suite of controlled NC for white light emission. We will work with Two-Photon Research to fabricate LED using our NC thereby creating a roadmap for a new path for white light generation. In addition to WLED technology, these ideas will have implication on optical sensing and potentially unforeseen areas, offering direct benefit to Two-Photon Research.**********
在我们之前的 Engage 合作中,Kambhampati 小组提供了激光专业知识和资源,使双光子研究能够在其主要光电子领域评估基于激光的微加工新方法。基于在新领域的共同和互补的兴趣和专业知识,光电领域的共同点导致了这项 CRD 提案。 ****一个目标是开发新的发光活性元素。在能源危机的背景下,白光的产生尤其重要。白光可以通过多种方式产生,例如,发光二极管(LED)。由于封装问题,传统的 LED 方法成本效益低。相比之下,基于有机 (OLED) 和量子点 (QLED) 的发射器等新材料凭借其可加工性实现了成本降低和新功能。目前的研究主要集中在发射窄带光的量子点或纳米晶体 (NC) 系统。单色性实际上是标准NC中的一个设计目标。如果能够制造一种类似的可加工 NC 发射器,能够从一个 NC 可控地发射白光,则将是进一步的改进。我们之前的基础科学工作表明,我们可以通过表面的化学控制来了解单个 NC 发出的白光。在这里,我们将与 Two-Photon Research 合作应用这些想法,利用我们的化学控制表面发射纳米晶体开发 WLED。 ****在本提案中,我们将测试我们综合的各种 NC 系统,以确定它们是否适合 WLED 技术。我们将进行合成、表征、光谱学和建模,以创建一套用于白光发射的受控 NC。我们将与 Two-Photon Research 合作,使用我们的 NC 制造 LED,从而为白光生成的新路径制定路线图。除了 WLED 技术之外,这些想法还将对光学传感和潜在不可预见的领域产生影响,为双光子研究提供直接利益。 **********
项目成果
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Kambhampati, Patanjali其他文献
A microscopic picture of surface charge trapping in semiconductor nanocrystals
- DOI:
10.1063/1.4807054 - 发表时间:
2013-05-28 - 期刊:
- 影响因子:4.4
- 作者:
Mooney, Jonathan;Krause, Michael M.;Kambhampati, Patanjali - 通讯作者:
Kambhampati, Patanjali
Breaking the phonon bottleneck for holes in semiconductor quantum dots
- DOI:
10.1103/physrevlett.98.177403 - 发表时间:
2007-04-27 - 期刊:
- 影响因子:8.6
- 作者:
Cooney, Ryan R.;Sewall, Samuel L.;Kambhampati, Patanjali - 通讯作者:
Kambhampati, Patanjali
Hot Exciton Relaxation Dynamics in Semiconductor Quantum Dots: Radiationless Transitions on the Nanoscale
- DOI:
10.1021/jp2058673 - 发表时间:
2011-11-17 - 期刊:
- 影响因子:3.7
- 作者:
Kambhampati, Patanjali - 通讯作者:
Kambhampati, Patanjali
Noise analysis and noise reduction methods in kilohertz pump-probe experiments
- DOI:
10.1063/1.2755391 - 发表时间:
2007-07-01 - 期刊:
- 影响因子:1.6
- 作者:
Anderson, Kevin E. H.;Sewall, Samuel L.;Kambhampati, Patanjali - 通讯作者:
Kambhampati, Patanjali
Toward Ratiometric Nanothermometry via Intrinsic Dual Emission from Semiconductor Nanocrystals
- DOI:
10.1021/acs.jpclett.5b00024 - 发表时间:
2015-02-19 - 期刊:
- 影响因子:5.7
- 作者:
Jethi, Lakshay;Krause, Michael M.;Kambhampati, Patanjali - 通讯作者:
Kambhampati, Patanjali
Kambhampati, Patanjali的其他文献
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{{ truncateString('Kambhampati, Patanjali', 18)}}的其他基金
A Spectroscopic Journey through Time and Space in Complex Electronic Materials
复杂电子材料中穿越时空的光谱之旅
- 批准号:
RGPIN-2019-05922 - 财政年份:2022
- 资助金额:
$ 7.29万 - 项目类别:
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Proposal to resurrect femtosecond laser labs for probing electronic materials
复兴飞秒激光实验室以探测电子材料的提案
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RTI-2023-00018 - 财政年份:2022
- 资助金额:
$ 7.29万 - 项目类别:
Research Tools and Instruments
A Spectroscopic Journey through Time and Space in Complex Electronic Materials
复杂电子材料中穿越时空的光谱之旅
- 批准号:
RGPIN-2019-05922 - 财政年份:2021
- 资助金额:
$ 7.29万 - 项目类别:
Discovery Grants Program - Individual
A Spectroscopic Journey through Time and Space in Complex Electronic Materials
复杂电子材料中穿越时空的光谱之旅
- 批准号:
RGPIN-2019-05922 - 财政年份:2020
- 资助金额:
$ 7.29万 - 项目类别:
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A simple fiber based light source for femtosecond laser spectroscopy
用于飞秒激光光谱的简单光纤光源
- 批准号:
545152-2019 - 财政年份:2019
- 资助金额:
$ 7.29万 - 项目类别:
Idea to Innovation
A Spectroscopic Journey through Time and Space in Complex Electronic Materials
复杂电子材料中穿越时空的光谱之旅
- 批准号:
RGPIN-2019-05922 - 财政年份:2019
- 资助金额:
$ 7.29万 - 项目类别:
Discovery Grants Program - Individual
Nanoscale Excitonics: From Materials Chemistry to Ultrafast Photonics
纳米激子学:从材料化学到超快光子学
- 批准号:
RGPIN-2014-05731 - 财政年份:2018
- 资助金额:
$ 7.29万 - 项目类别:
Discovery Grants Program - Individual
Nanoscale Excitonics: From Materials Chemistry to Ultrafast Photonics
纳米激子学:从材料化学到超快光子学
- 批准号:
RGPIN-2014-05731 - 财政年份:2017
- 资助金额:
$ 7.29万 - 项目类别:
Discovery Grants Program - Individual
Nanoscale Excitonics: From Materials Chemistry to Ultrafast Photonics
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- 资助金额:
$ 7.29万 - 项目类别:
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RTI-2016-00108 - 财政年份:2015
- 资助金额:
$ 7.29万 - 项目类别:
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