Femtosecond Optical Probes of Mesoscopic Materials for Photovoltaics
光伏介观材料飞秒光学探针
基本信息
- 批准号:EP/D073766/1
- 负责人:
- 金额:$ 106.94万
- 依托单位:
- 依托单位国家:英国
- 项目类别:Fellowship
- 财政年份:2006
- 资助国家:英国
- 起止时间:2006 至 无数据
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
There is growing evidence that our increasing consumption of fossil fuels is leading to a change in climate. Such predictions have brought new urgency to the development of clean, renewable sources of energy that will permit the current level of world economic growth to continue without damage to our ecosystem. Photovoltaic cells based on organic or organic/inorganic hybrid materials have shown rapid improvements over the past decade, comparing favourably with existing inorganic semiconductor technology on energy, scalability and cost associated with manufacture. The most promising materials for organic or hybrid photovoltaics are based on blends of two components at whose interface light-generated excitations dissociate into charges contributing to a photocurrent. Blend morphology on the meso-scale plays a crucial role in these systems, with efficient photovoltaic operation requiring both large interfacial area and existence of carrier percolation paths to the electrodes. The proposed work will establish how both aims can be achieved, using a powerful new combination of non-contact femtosecond time-resolved techniques to examine a range of novel mesoscopic blends. This methodology will allow the simultaneous examination of exciton diffusion and dissociation, charge-carrier generation, recombination and conductivity, providing direct clues to the optimisation of materials for photovoltaics. Collaborations with researchers working on making photovoltaic devices will ensure that knowledge gained from these non-contact material probes will directly feed into enhancing device performance. This combined approach will allow the UK's exceptionally high expertise in the area of organic electronics to contribute effectively to its current goal of reducing harmful greenhouse gas emission.
越来越多的证据表明,我们对化石燃料的日益消耗正在导致气候变化。这种预测使开发清洁、可再生能源成为新的紧迫性,这种能源将使目前的世界经济增长水平继续下去,而不损害我们的生态系统。基于有机或有机/无机混合材料的光伏电池在过去十年中显示出快速的改进,与现有的无机半导体技术相比,在能量、可扩展性和与制造相关的成本方面具有优势。用于有机或混合光致发光的最有前途的材料是基于两种组分的共混物,在其界面处,光产生的激发解离成有助于光电流的电荷。在这些系统中,在介观尺度上的共混物形态起着至关重要的作用,高效的光伏操作需要大的界面面积和存在的载体渗透路径的电极。拟议的工作将建立如何实现这两个目标,使用一个强大的非接触飞秒时间分辨技术的新组合,以检查一系列新的介观混合物。这种方法将允许激子扩散和解离,电荷载流子的产生,复合和导电性的同时检查,提供直接的线索,优化材料的photoprophics。与致力于制造光伏器件的研究人员的合作将确保从这些非接触式材料探针中获得的知识将直接用于提高器件性能。这种综合方法将使英国在有机电子领域的专业知识能够有效地促进其目前减少有害温室气体排放的目标。
项目成果
期刊论文数量(10)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Effect of Nanocrystalline Domains in Photovoltaic Devices with Benzodithiophene-Based Donor-Acceptor Copolymers
- DOI:10.1021/jp504010x
- 发表时间:2014-08-07
- 期刊:
- 影响因子:3.7
- 作者:Menelaou, Christopher;Tierney, Steve;Herz, Laura M.
- 通讯作者:Herz, Laura M.
Dichroic Perylene Bisimide Triad Displaying Energy Transfer in Switchable Luminescent Solar Concentrators
- DOI:10.1021/cm501508n
- 发表时间:2014-07-08
- 期刊:
- 影响因子:8.6
- 作者:ter Schiphorst, Jeroen;Kendhale, Amol M.;Schenning, Albertus P. H. J.
- 通讯作者:Schenning, Albertus P. H. J.
Six-Coordinate Zinc Porphyrins for Template-Directed Synthesis of Spiro-Fused Nanorings.
- DOI:10.1021/jacs.5b10126
- 发表时间:2015-11-18
- 期刊:
- 影响因子:15
- 作者:Favereau L;Cnossen A;Kelber JB;Gong JQ;Oetterli RM;Cremers J;Herz LM;Anderson HL
- 通讯作者:Anderson HL
Combining Positive and Negative Dichroic Fluorophores for Advanced Light Management in Luminescent Solar Concentrators
- DOI:10.1002/adom.201400132
- 发表时间:2014-07-01
- 期刊:
- 影响因子:9
- 作者:Debije, Michael G.;Menelaou, Christopher;Schenning, Albertus P. H. J.
- 通讯作者:Schenning, Albertus P. H. J.
Extreme sensitivity of graphene photoconductivity to environmental gases.
- DOI:10.1038/ncomms2235
- 发表时间:2012
- 期刊:
- 影响因子:16.6
- 作者:
- 通讯作者:
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Laura Herz其他文献
Laura Herz的其他文献
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{{ truncateString('Laura Herz', 18)}}的其他基金
Metal halide semiconductors: materials discovery beyond ABX3 perovskites
金属卤化物半导体:ABX3 钙钛矿之外的材料发现
- 批准号:
EP/V010840/1 - 财政年份:2021
- 资助金额:
$ 106.94万 - 项目类别:
Research Grant
Unravelling halide segregation in hybrid perovskites for Si tandem photovoltaics
揭示硅串联光伏发电混合钙钛矿中卤化物偏析
- 批准号:
EP/P033229/1 - 财政年份:2018
- 资助金额:
$ 106.94万 - 项目类别:
Research Grant
Organometal halide photovoltaic cells: tailoring fundamental light conversion pathways
有机金属卤化物光伏电池:定制基本的光转换途径
- 批准号:
EP/L024667/1 - 财政年份:2014
- 资助金额:
$ 106.94万 - 项目类别:
Research Grant
Probing and enhancing charge generation and transport in solid-state dye-sensitized solar cells
探索和增强固态染料敏化太阳能电池中的电荷产生和传输
- 批准号:
EP/H015701/1 - 财政年份:2010
- 资助金额:
$ 106.94万 - 项目类别:
Research Grant
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