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P3HT材料性能和层结构对OPV器件稳定性的影响

发布者::admin   发布时间: :2019-11-05 15:25 浏览次数: :

Rico Meitzner, Tobias Faber, Shahidul Alam, Aman Amand, Roland Roesch, Mathias Büttner, Felix Herrmann-Westendorf, Martin Presselt, Laura Ciammaruchi, Iris Visoly-Fisher, Sjoerd Veenstra, Amaia Diaz de Zerio, Xiaofeng Xu, Ergang Wang, Christian Müller, Pavel Troshin, Martin D. Hager, Sandra Köhn, Michal Dusza, Miron Krassas, Simon Züfle, E. Kymakis, Eugene A. Katz, Solenn Berson, Filip Granek, Matthieu Manceau, Francesca Brunetti, Giuseppina Polino, Ulrich S. Schubert, Monica Lira-Cantu, Harald Hoppe

Solar Energy Materials and Solar Cells 202, 110151 (2019)

https://doi.org/10.1016/j.solmat.2019.110151

 

Highlights

P3HT:PCBM solar cells made from commercially available P3HTs were aged under three different ISOS protocols.

Solar cells were built by five different labs resulting in 5 different architectures.

The P3HT batches were studied for their properties like impurities, molar mass, dispersity, etc.

All P3HTs performed similar in regard to stability we concluded that commercially available P3HTs offer viable properties.

Layer stack and processor experience with P3HT used had a larger impact on stability than polymer properties.

 

Abstract

We report a cooperative study conducted between different laboratories to investigate organic solar cell degradation with respect to P3HT material properties and different solar cell architectures. Various batches of P3HT were collected from different suppliers reflecting commercial availability as well as properties variability. Among the materials properties explicitly considered were the molar mass, dispersity, regio-regularity, impurities by trace metals and intrinsic doping evaluated from radical concentrations. Each of the participating laboratories contributing test devices applied their own layer stack, i.e. their own device architecture and layout. This variation was appreciated as another parameter for evaluation. Even though a large amount of devices failed due to extrinsic degradation effects, indeed, some materials properties were found to be more important than others for obtaining long lifetimes and high stability of P3HT-based polymer solar cells.

        本篇文章采用paios多功能载流子特性分析系统及瞬态光电流和光电压测量和分析数据,paios专用于太阳能电池瞬态光电特性及载流子特性的深入研究与分析;可对OPV太阳能电池、PVK钙钛矿太阳能电池、OLED器件和其他半导体器件中的载流子迁移率进行全面有效的分析和测量。

 

测试功能:载流子迁移率      载流子寿命       串联电阻        复合效率      陷阱密度        介电常数      
                电荷注入势垒        陷阱深度        内建电场         几何电容      掺杂密度        发射寿命      
                PV光电转化效率(最大功率点Pmax、FF、Voc、IscVS光强)   

 

测试模式:IV曲线,IVL曲线,TPC瞬态光电流,TPV瞬态光电压,Photo-CELIV线性增压载流子抽取,CE载流子抽取,IMPS调制光电流谱,IMVS调制光电压谱,IS阻抗谱,C-V电容-电压,DIT暗注入,EQE外量子效率,TEL瞬态光致发光等;

 

应用领域:无机半导体材料                                                                      有机太阳能电池OPV                    
               
钙钛矿太阳能电池(Perovskite  Solar  Cell)                              燃料敏化太阳能电池                  
               
无机太阳能电池(硅基太阳能电池)                                         有机半导体材料(OLED)

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