Overcoming the grain size limit to Voc in sustainable photovoltaics

克服可持续光伏发电中 Voc 的晶粒尺寸限制

基本信息

  • 批准号:
    EP/M024768/1
  • 负责人:
  • 金额:
    $ 49.87万
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Research Grant
  • 财政年份:
    2015
  • 资助国家:
    英国
  • 起止时间:
    2015 至 无数据
  • 项目状态:
    已结题

项目摘要

Solar electricity based on wafer silicon is a mature technology that is in widespread use. Although it is getting cheaper due to mass production in China, the international market is still driven by government subsidies. Alternative 'thin film' materials are the best chance of competition, but they have three problems: a) their voltages are lower than expected due to the small size of the crystal grains in them (several millionths of a meter typically), b) the materials presently used for thin film solar cells contain rare elements that will pose supply issues as the PV industry expands by several hundred fold over the next 40 years, and c) production methods must become cheaper and more effective in order to compete in the global marketWe will test a new method to make solar cells that promises to overcome all of these limitations. We will work on the archetypal earth abundant semiconductor Cu2ZnSn(S,Se)4 (CZTSS). Solar cells made from it suffer from the typical problems: It underperforms on voltage and has very small crystal grains. It is also difficult to make since it is prone to lose sulphur and selenium (the most successful research labs resort to complex methods involving nanoparticles and dangerous reducing solvents). The efficiency has been limited to 12% for some years now, and this is preventing CZTSS from becoming a production technology.In this project we will test an alternative method to grow CZTSS. We will explore the possibility of growing large grains of CZTSS on cheap metal sheet with small grains -we expect this could become a workable production route. We will make some hundreds of solar cells to test the hypotheses.Overall the idea has the potential to increase the efficiency of CZTSS from 12% to 16%, or even higher, making it feasible to open up a pathway for new PV products. A technological lead in this area could give the UK the opportunity to grab back a share of the expanding global PV business.
基于硅片的太阳能发电技术是一项成熟的、广泛应用的技术。虽然由于中国的大规模生产,价格越来越便宜,但国际市场仍然受到政府补贴的推动。替代“薄膜”材料是竞争的最佳机会,但它们有三个问题:a)它们的电压比预期的要低,因为它们的晶体颗粒很小(通常是百万分之一米);b)目前用于薄膜太阳能电池的材料含有稀有元素,随着光伏产业在未来40年扩张数百倍,这些元素将带来供应问题。c)为了在全球市场上竞争,生产方法必须变得更便宜、更有效。我们将测试一种制造太阳能电池的新方法,它有望克服所有这些限制。我们将研究富地半导体Cu2ZnSn(S,Se)4 (CZTSS)的原型。用它制成的太阳能电池有一些典型的问题:它在电压上表现不佳,而且晶体颗粒很小。它也很难制造,因为它容易失去硫和硒(最成功的研究实验室采用复杂的方法,包括纳米粒子和危险的还原溶剂)。几年来,这种效率一直被限制在12%,这阻碍了CZTSS成为一种生产技术。在这个项目中,我们将测试一种生长CZTSS的替代方法。我们将探索在具有小颗粒的廉价金属板上生长大颗粒CZTSS的可能性-我们希望这可能成为可行的生产路线。我们将制造数百个太阳能电池来测试这些假设。总的来说,这个想法有可能将CZTSS的效率从12%提高到16%,甚至更高,从而为新的光伏产品开辟了一条道路。在这一领域的技术领先可以让英国有机会夺回不断扩大的全球光伏业务的份额。

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)
6.6% efficient antimony selenide solar cells using grain structure control and an organic contact layer
  • DOI:
    10.1016/j.solmat.2018.09.004
  • 发表时间:
    2018-12-15
  • 期刊:
  • 影响因子:
    6.9
  • 作者:
    Hutter, Oliver S.;Phillips, Laurie J.;Major, Jonathan D.
  • 通讯作者:
    Major, Jonathan D.
Protocols for the Miller indexing of Sb2Se3 and a non-x-ray method of orienting its single crystals
Identification of lead vacancy defects in lead halide perovskites.
  • DOI:
    10.1038/s41467-021-25937-1
  • 发表时间:
    2021-09-22
  • 期刊:
  • 影响因子:
    16.6
  • 作者:
    Keeble DJ;Wiktor J;Pathak SK;Phillips LJ;Dickmann M;Durose K;Snaith HJ;Egger W
  • 通讯作者:
    Egger W
Defect properties of Sb2Se3 thin film solar cells and bulk crystals
  • DOI:
    10.1063/5.0012697
  • 发表时间:
    2020-06-29
  • 期刊:
  • 影响因子:
    4
  • 作者:
    Hobson, Theodore D. C.;Phillips, Laurie J.;Major, Jonathan D.
  • 通讯作者:
    Major, Jonathan D.
Band gap temperature-dependence of close-space sublimation grown Sb2Se3 by photo-reflectance
  • DOI:
    10.1063/1.5027157
  • 发表时间:
    2018-08-01
  • 期刊:
  • 影响因子:
    6.1
  • 作者:
    Birkett, Max;Linhart, Wojciech M.;Veal, Tim D.
  • 通讯作者:
    Veal, Tim D.
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Ken Durose其他文献

High efficiency for As-doped cells
掺砷电池的高效率
  • DOI:
    10.1038/s41560-019-0475-2
  • 发表时间:
    2019-09-30
  • 期刊:
  • 影响因子:
    60.100
  • 作者:
    Ken Durose
  • 通讯作者:
    Ken Durose
Third BACG Photochemical Processing Workshop Held in Edinburgh
  • DOI:
    10.1557/s0883769400065490
  • 发表时间:
    1988-06-01
  • 期刊:
  • 影响因子:
    4.900
  • 作者:
    Ken Durose
  • 通讯作者:
    Ken Durose

Ken Durose的其他文献

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{{ truncateString('Ken Durose', 18)}}的其他基金

New designs for thin film solar cells
薄膜太阳能电池的新设计
  • 批准号:
    EP/T006188/1
  • 财政年份:
    2020
  • 资助金额:
    $ 49.87万
  • 项目类别:
    Research Grant
Finding universal rules for efficiency enhancing layers in thin film PV
寻找薄膜光伏增效层的通用规则
  • 批准号:
    EP/K005901/1
  • 财政年份:
    2013
  • 资助金额:
    $ 49.87万
  • 项目类别:
    Research Grant
SUPERGEN Photovoltaic Materials for the 21st Century
SUPERGEN 21世纪光伏材料
  • 批准号:
    EP/F029624/2
  • 财政年份:
    2011
  • 资助金额:
    $ 49.87万
  • 项目类别:
    Research Grant
SUPERGEN Photovoltaic Materials for the 21st Century
SUPERGEN 21世纪光伏材料
  • 批准号:
    EP/F029624/1
  • 财政年份:
    2008
  • 资助金额:
    $ 49.87万
  • 项目类别:
    Research Grant

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