A perspective on using experiment and theory to identify design principles in dye-sensitized solar cells.
A perspective on using experiment and theory to identify design principles in dye-sensitized solar cells.
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DOI：
10.1080/14686996.2018.1492858
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发表时间：
2018
影响因子：
5.5
通讯作者：
Metz S
中科院分区：
文献类型：
--
作者：
Holliman PJ;Kershaw C;Connell A;Jones EW;Hobbs R;Anthony R;Furnell L;McGettrick J;Geatches D;Metz S
多年来，染料敏化太阳能电池(DSCs)一直是广泛研究的对象，因为它们有可能通过卷到卷加工大规模制造，并利用地球上丰富的原材料。要实现这一目标，DSC设备面临两个主要挑战：将设备效率从实验室规模的“英雄”电池目前实现的12%提高到14%，以及更换可能限制设备寿命的广泛使用的液体电解液。为了提高器件效率，需要优化染料注入和再生，最有可能来自多种染料，而更换液体电解质需要固体电荷传输器(最有可能是空穴传输材料-HTMS)。虽然理论和实验工作都被广泛应用于DSC研究的不同方面，但这些方法在协同工作时最有效。在这种背景下，这篇前瞻性的论文考虑了影响使用一个或多个染料分子的DSC器件中电子转移过程的关键参数，以及建模和实验方法如何协同工作来优化电子注入和染料再生。本文从理论和实验相结合的角度对DSC器件进行了研究
Dye-sensitized solar cells (DSCs) have been the subject of wide-ranging studies for many years because of their potential for large-scale manufacturing using roll-to-roll processing allied to their use of earth abundant raw materials. Two main challenges exist for DSC devices to achieve this goal; uplifting device efficiency from the 12 to 14% currently achieved for laboratory-scale ‘hero’ cells and replacement of the widely-used liquid electrolytes which can limit device lifetimes. To increase device efficiency requires optimized dye injection and regeneration, most likely from multiple dyes while replacement of liquid electrolytes requires solid charge transporters (most likely hole transport materials – HTMs). While theoretical and experimental work have both been widely applied to different aspects of DSC research, these approaches are most effective when working in tandem. In this context, this perspective paper considers the key parameters which influence electron transfer processes in DSC devices using one or more dye molecules and how modelling and experimental approaches can work together to optimize electron injection and dye regeneration. This paper provides a perspective that theory and experiment are best used in tandem to study DSC devices
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