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Assessing Possibilities and Limits for Solar Cells

机译：评估太阳能电池的可能性和限制

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摘要

What are the solar cell efficiencies that we can strive towards? We show here that several simple criteria, based on cell and module performance data, serve to evaluate and compare all types of today's solar cells. Analyzing these data allows to gauge in how far significant progress can be expected for the various cell types and, most importantly from both the science and technology points of view, if basic bounds, beyond those known today, may exist, that can limit such progress. This is important, because half a century after Shockley and Queisser (SQ) presented limits, based on detailed balance calculations for single absorber solar cells, those are still held to be the only ones, we need to consider; most efforts to go beyond SQ are directed towards attempts to circumvent them, primarily via smart optics, or optoelectronics. After formulating the criteria and analyzing known loss mechanisms, use of such criteria suggests-additional limits for newer types of cells, Organic and Dye-Sensitized ones, and their siblings,-prospects for progress and-further characterization needs, all of which should help focusing research and predictions for the future.
机译：我们可以努力实现的太阳能电池效率是多少？我们在这里展示了基于电池和模块性能数据的几个简单标准，可用于评估和比较当今所有类型的太阳能电池。分析这些数据可以确定各种细胞类型可望取得多大的进展，最重要的是从科学和技术的角度来看，如果可能存在超出当今已知范围的基本界限，则可以限制这种进展。这很重要，因为在Shockley和Queisser（SQ）提出限值后半个世纪，基于对单个吸收器太阳能电池的详细平衡计算，这些仍被认为是唯一的，我们需要考虑。超越SQ的大多数努力主要是试图通过智能光学或光电子技术来规避它们。在制定了标准并分析了已知的损失机制后，使用这些标准建议了对新型细胞，有机染料敏化的细胞及其同胞的其他限制，进展的前景和进一步的表征需求，所有这些都应有所帮助着眼于未来的研究和预测。

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  • 来源
    《Advanced Materials》 |2011年第25期|p.2870-2876|共7页
  • 作者

    Pabitra K. Nayak; Juan Bisquert; David Cahen;

  • 作者单位

    Dept. of Materials and Interfaces Weizmann Inst. Of Science Rehovot 76100 Israel;

    Photovoltaics and Optoelectronic Devices Croup Departament de Fisica Universitat Jaume I 12071 Castell6, Spain;

    Dept. of Materials and Interfaces Weizmann Inst. Of Science Rehovot 76100 Israel;

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