Device Physics of Dye Solar Cells

被引：373

作者：

Halme, Janne ^{[1
]}

Vahermaa, Paula ^{[1
]}

Miettunen, Kati ^{[1
]}

Lund, Peter ^{[1
]}

机构：

[1] Aalto Univ, Dept Appl Phys, FI-00076 Aalto, Finland

来源：

ADVANCED MATERIALS | 2010年 / 22卷 / 35期

关键词：

NANOSTRUCTURED SEMICONDUCTOR ELECTRODES; EQUIVALENT-CIRCUIT; BACK-REACTION; CONVERSION EFFICIENCY; CHARGE-TRANSFER; INTENSITY DEPENDENCE; COUNTER ELECTRODES; MATHEMATICAL-MODEL; IMPEDANCE SPECTRA; TITANIUM-DIOXIDE;

D O I：

10.1002/adma.201000726

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Design of new materials for nanostructured dye solar cells (DSC) requires understanding the link between the material properties and cell efficiency. This paper gives an overview of the fundamental and practical aspects of the modeling and characterization of DSCs, and integrates the knowledge into a user-friendly DSC device model. Starting from basic physical and electrochemical concepts, mathematical expressions for the IV curve and differential resistance of all resistive cell components are derived and their relation to electrochemical impedance spectroscopy (EIS) is explained. The current understanding of the associated physics is discussed in detail and clarified. It is shown how the model parameters can be determined from complete DSCs by current dependent EIS and incident-photon-to-collected-electron (IPCE) measurements, supplemented by optical characterization, and used to quantify performance losses in DSCs. The paper aims to give a necessary theoretical background and practical guidelines for establishing an effective feedback-loop for DSC testing and development.

引用

收藏

页码：E210 / E234

页数：25

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