CAREER:Harnessing Photon Upconversion Via Self-Assembled Hybrid Materials

职业:通过自组装混合材料利用光子上转换

基本信息

  • 批准号:
    1752782
  • 负责人:
  • 金额:
    $ 54.9万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2018
  • 资助国家:
    美国
  • 起止时间:
    2018-06-01 至 2024-05-31
  • 项目状态:
    已结题

项目摘要

Nontechnical description: The abundant and sustained nature of sunlight leaves little doubt that solar cell technology will play a pivotal role in future clean energy strategies. It is for this reason that considerable efforts are underway to improve upon current solar cell designs that can only convert less than a third of sun light into electricity. The research team seeks significantly increased conversion efficiencies through a new, low cost, next generation solar cell that utilizes previously unharnessed low energy sun light. Achieving this goal requires an understanding of how molecules assemble and interact on solar cell surfaces, how fast each step in the light-to-electricity conversion process unfolds, and the barriers preventing solar cell materials from creating more energy from available light. Integrated into the project are outreach activities that engage the online community with research-related photos, videos, and stories via blogs and other social media. Complementing this online effort is also an event called Ask a Scientist where several scientists engage local community members in casual conversations about science during a once-a-month art, music, and entertainment festival.Technical description: Photon upconversion, combining two or more low energy photons to generate a higher energy excited state, is an intriguing strategy to harness low energy light, circumvent the Shockley-Queisser limit, and increase the maximum theoretical solar cell efficiency from 33% to above 45%. However, achieving efficient upconversion under ambient solar intensities and incorporating this process directly into a solar cell remains challenging. This CAREER project utilizes multilayer self-assembly on inorganic surfaces to manipulate energy and electron transfer dynamics at an interface and directly harness upconversion in a solar cell. This project also combines electrochemical and spectroscopic techniques to gain a fundamental understanding of the rate and efficiency limiting energy and electron transfer processes in assemblies at metal oxide interfaces. The incorporation of new sensitizer and acceptor molecules into the bilayer film is necessary to achieve efficient upconversion under low energy, solar irradiation. Complementing this research effort are a number of outreach activities that target individuals from many different educational, socio-economic, and racial/ethnic backgrounds.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
非技术性描述:太阳能电池技术将在未来的清洁能源战略中发挥关键作用,这一点毋庸置疑。正是由于这个原因,目前的太阳能电池设计只能将不到三分之一的太阳光转化为电能,人们正在做出相当大的努力来改进这种设计。该研究小组通过一种新的、低成本的下一代太阳能电池来寻求显著提高的转换效率,这种太阳能电池利用了以前未利用的低能量太阳光。实现这一目标需要了解分子如何在太阳能电池表面组装和相互作用,光电转换过程中的每一步进展有多快,以及阻止太阳能电池材料从可用光中产生更多能量的障碍。该项目还包括通过博客和其他社交媒体向在线社区提供与研究相关的照片、视频和故事的外联活动。作为对这一在线活动的补充,还有一个名为“问科学家”的活动,在这个活动中,几位科学家在每月一次的艺术、音乐和娱乐节上与当地社区成员进行关于科学的随意对话。技术描述:光子上转换,结合两个或更多个低能光子以产生更高能量的激发态,是一种利用低能光,规避肖克利-奎塞尔极限,并将太阳能电池的最大理论效率从33%提高到45%以上。然而,在环境太阳能强度下实现有效的上转换并将该过程直接并入太阳能电池中仍然具有挑战性。这个CAREER项目利用无机表面上的多层自组装来操纵界面处的能量和电子转移动力学,并直接利用太阳能电池中的上转换。该项目还结合了电化学和光谱技术,以获得对金属氧化物界面组件中限制能量和电子转移过程的速率和效率的基本理解。将新的敏化剂和受体分子掺入双层膜中对于在低能量太阳辐射下实现高效上转换是必要的。作为对这项研究工作的补充,还有一些针对不同教育、社会经济和种族/民族背景的个人的外展活动。该奖项反映了NSF的法定使命,并被认为值得通过使用基金会的知识价值和更广泛的影响审查标准进行评估来支持。

项目成果

期刊论文数量(21)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Metal ion linked multilayers on mesoporous substrates: Energy/electron transfer, photon upconversion, and more
介孔基底上的金属离子连接多层膜:能量/电子转移、光子上转换等
Balancing the interplay between ligand ejection and therapeutic window light absorption in ruthenium polypyridyl complexes
  • DOI:
    10.1039/d2dt01237e
  • 发表时间:
    2022-06-15
  • 期刊:
  • 影响因子:
    4
  • 作者:
    McCullough,Annie B.;Chen,Jiaqi;Ashford,Dennis L.
  • 通讯作者:
    Ashford,Dennis L.
Influence of Dye-Coordinated Metal Ions on Electron Transfer Dynamics at Dye–Semiconductor Interfaces
染料配位金属离子对染料半导体界面电子转移动力学的影响
  • DOI:
    10.1021/acsaem.8b01559
  • 发表时间:
    2018
  • 期刊:
  • 影响因子:
    6.4
  • 作者:
    Ogunsolu, Omotola O.;Braun, Alexander J.;Robb, Alex J.;Salpage, Sahan R.;Zhou, Yan;Hanson, Kenneth
  • 通讯作者:
    Hanson, Kenneth
Extracting accurate information from triplet–triplet annihilation upconversion data with a mass-conserving kinetic model
使用质量守恒动力学模型从三重态-三重态湮灭上转换数据中提取准确的信息
  • DOI:
    10.1039/d2cp03986a
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    3.3
  • 作者:
    Kalpattu, Abhishek;Dilbeck, Tristan;Hanson, Kenneth;Fourkas, John T.
  • 通讯作者:
    Fourkas, John T.
Diphenylisobenzofuran Bound to Nanocrystalline Metal Oxides: Excimer Formation, Singlet Fission, Electron Injection, and Low Energy Sensitization
  • DOI:
    10.1021/acs.jpcc.8b08599
  • 发表时间:
    2018-12-20
  • 期刊:
  • 影响因子:
    3.7
  • 作者:
    Banerjee, Tanmay;Hill, Sean P.;Hanson, Kenneth
  • 通讯作者:
    Hanson, Kenneth
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Kenneth Hanson其他文献

Hospice Patient-Focused Emergency Medical Services Protocols: An Evaluation of Emergency Medical Service Protocols in the United States (RP503)
  • DOI:
    10.1016/j.jpainsymman.2022.04.069
  • 发表时间:
    2022-06-01
  • 期刊:
  • 影响因子:
  • 作者:
    Kenneth Hanson;David Kramp
  • 通讯作者:
    David Kramp
Photophysical Characterization of Chromophore/water Oxidation Catalyst Containing Layer-by-layer Assembly on Nanocrystalline TiO
纳米晶 TiO 上逐层组装的发色团/水氧化催化剂的光物理表征
  • DOI:
  • 发表时间:
    2014
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Stephanie E. Bettis;Kenneth Hanson;Li Wang;Melissa K. Gish;Javier J. Concepcion;Zhenyuan Fang;T. Meyer;J. M. Papanikolas
  • 通讯作者:
    J. M. Papanikolas
Electron transfer dynamics of peptide-derivatized Ru(II) -polypyridyl complexes on nanocrystalline metal oxide films.
纳米晶金属氧化物薄膜上肽衍生的 Ru(II) -聚吡啶复合物的电子转移动力学。
  • DOI:
    10.1002/bip.22152
  • 发表时间:
    2013
  • 期刊:
  • 影响因子:
    2.9
  • 作者:
    Kenneth Hanson;Dale J. Wilger;Sean T. Jones;D. P. Harrison;Stephanie E. Bettis;Hanlin Luo;J. M. Papanikolas;M. Waters;T. Meyer
  • 通讯作者:
    T. Meyer
Self-Assembled Bilayers on Nanocrystalline Metal Oxides: Exploring the Non-Innocent Nature of the Linking Ions.
纳米晶金属氧化物上的自组装双层:探索连接离子的非无辜性质。
  • DOI:
    10.1021/acs.langmuir.7b01964
  • 发表时间:
    2017
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Jamie C Wang;Kyle Violette;O. Ogunsolu;Seda Cekli;E. Lambers;Hadi M. Fares;Kenneth Hanson
  • 通讯作者:
    Kenneth Hanson
High-Pressure Studies of Cesium Uranyl Chloride.
氯化铀铯的高压研究。
  • DOI:
    10.1021/acs.inorgchem.8b02300
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    4.6
  • 作者:
    Evan J. Warzecha;Cristian Celis‐Barros;Tristan Dilbeck;Kenneth Hanson;T. Albrecht‐Schmitt
  • 通讯作者:
    T. Albrecht‐Schmitt

Kenneth Hanson的其他文献

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{{ truncateString('Kenneth Hanson', 18)}}的其他基金

Understanding and Controlling Structure in Metal Ion-Linked Multilayer Upconversion Solar Cells
了解和控制金属离子连接多层上转换太阳能电池的结构
  • 批准号:
    2327754
  • 财政年份:
    2024
  • 资助金额:
    $ 54.9万
  • 项目类别:
    Standard Grant
CAS: Inhibiting Molecular Reorganization via Strategic Surface Binding
CAS:通过战略表面结合抑制分子重组
  • 批准号:
    2246932
  • 财政年份:
    2023
  • 资助金额:
    $ 54.9万
  • 项目类别:
    Standard Grant
MRI: Acquisition of an Ultrafast Transient Absorption Spectrometer
MRI:购买超快瞬态吸收光谱仪
  • 批准号:
    1919633
  • 财政年份:
    2019
  • 资助金额:
    $ 54.9万
  • 项目类别:
    Standard Grant
MRI: Acquisition of a Transient Absorption Spectrometer
MRI:购买瞬态吸收光谱仪
  • 批准号:
    1531629
  • 财政年份:
    2015
  • 资助金额:
    $ 54.9万
  • 项目类别:
    Standard Grant
Expansion of the Woodworking Technicians Distance Education Partnership
扩大木工技师远程教育合作伙伴关系
  • 批准号:
    0202345
  • 财政年份:
    2002
  • 资助金额:
    $ 54.9万
  • 项目类别:
    Standard Grant
Metabolism in Higher Plants
高等植物的新陈代谢
  • 批准号:
    7709093
  • 财政年份:
    1977
  • 资助金额:
    $ 54.9万
  • 项目类别:
    Continuing Grant

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利用博物馆和图书馆的创意遗产促进移民福祉
  • 批准号:
    DE240100336
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    2024
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