Evaluation of Electron Donor Materials for Solution-Processed Organic Solar Cells via a Novel Figure of Merit

Min Jie; Luponosov Yuriy N.; Cui Chaohua; Kan Bin; Chen Haiwei; Wan Xiangjian; Chen Yongsheng; Ponomarenko Sergei A.; Li Yongfang; Brabec Christoph J.

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Evaluation of Electron Donor Materials for Solution-Processed Organic Solar Cells via a Novel Figure of Merit

机译：通过新的品质因数评估溶液处理有机太阳能电池的电子供体材料

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Organic photovoltaic (OPV) technology offers many advantages, although no commercial applications have been achieved after more than a decade of intensive research and development. Several challenges have yet to be overcome including high power conversion efficiency (PCE), good process-ability, low cost, and excellent long-term stability, and so on. In this article, these fundamental challenges are significantly addressed by surveying and analyzing a new merit factor for material applied accessibility containing three parameters: synthetic complexity, device efficiency, and photostability. Thirty-five donor small molecules are introduced to assess their synthetic accessibility. Furthermore, the PCEs and device photostability of these molecules are carried out, and further measured under one sun illumination within 200 h, respectively. Combining with the characteristics of these three factors, investigated molecules are ranked according to an industrial figure of merit (i-FOM), while some guidelines for the material design and synthesis are given. It is suggested that a PCE of >14% and an i-FOM of >20% via active material engineering are realistic for possible industry future of OPV. Along with the systematic study, it is believed that this i-FOM can be taken into consideration at an early stage of molecular design and provides valuable insight for efficient evaluation of photovoltaic materials for possible commercial applications.

机译：尽管经过十多年的深入研究和开发，仍未实现商业应用，但有机光伏（OPV）技术具有许多优势。尚待克服的几个挑战包括高功率转换效率（PCE），良好的处理能力，低成本以及出色的长期稳定性等。在本文中，这些基本挑战通过调查和分析材料应用可及性的新优势因素得到了显着解决，其中包括三个参数：合成复杂性，设备效率和光稳定性。引入了35个供体小分子以评估其合成可及性。此外，对这些分子的PCE和器件的光稳定性进行了测试，并分别在200 h的阳光照射下进行了进一步测量。结合这三个因素的特点，根据工业品质因数（i-FOM）对研究的分子进行排名，同时给出了材料设计和合成的一些指导原则。建议通过活性材料工程实现PCE大于14％和i-FOM大于20％对于OPV可能的工业未来是现实的。伴随着系统研究，人们相信可以在分子设计的早期阶段就考虑到这种i-FOM，并为有效评估可能用于商业用途的光伏材料提供了宝贵的见识。

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来源
《Advanced energy materials》 |2017年第18期|1700465.1-1700465.10|共10页
作者
Min Jie; Luponosov Yuriy N.; Cui Chaohua; Kan Bin; Chen Haiwei; Wan Xiangjian; Chen Yongsheng; Ponomarenko Sergei A.; Li Yongfang; Brabec Christoph J.;
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Wuhan Univ, Inst Adv Studies, Wuhan 430072, Hubei, Peoples R China|Friedrich Alexander Univ Erlangen Nuremberg, I MEET, Martensstr 7, D-91058 Erlangen, Germany;

Russian Acad Sci, Enikolopov Inst Synthet Polymer Mat, Profsoyuznaya St 70, Moscow 117393, Russia;

Soochow Univ, Lab Adv Optoelect Mat, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China;

Nankai Univ, State Key Lab, Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300071, Peoples R China|Nankai Univ, Inst Elementoorgan Chem, Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300071, Peoples R China|Nankai Univ, Key Lab Funct Polymer Mat, Inst Polymer Chem, Coll Chem, Tianjin 300071, Peoples R China|Nankai Univ, Ctr Nanoscale Sci & Technol, Inst Polymer Chem, Coll Chem, Tianjin 300071, Peoples R China;

Friedrich Alexander Univ Erlangen Nuremberg, I MEET, Martensstr 7, D-91058 Erlangen, Germany;

Nankai Univ, State Key Lab, Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300071, Peoples R China|Nankai Univ, Inst Elementoorgan Chem, Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300071, Peoples R China|Nankai Univ, Key Lab Funct Polymer Mat, Inst Polymer Chem, Coll Chem, Tianjin 300071, Peoples R China|Nankai Univ, Ctr Nanoscale Sci & Technol, Inst Polymer Chem, Coll Chem, Tianjin 300071, Peoples R China;

Nankai Univ, State Key Lab, Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300071, Peoples R China|Nankai Univ, Inst Elementoorgan Chem, Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300071, Peoples R China|Nankai Univ, Key Lab Funct Polymer Mat, Inst Polymer Chem, Coll Chem, Tianjin 300071, Peoples R China|Nankai Univ, Ctr Nanoscale Sci & Technol, Inst Polymer Chem, Coll Chem, Tianjin 300071, Peoples R China;

Russian Acad Sci, Enikolopov Inst Synthet Polymer Mat, Profsoyuznaya St 70, Moscow 117393, Russia|Moscow MV Lomonosov State Univ, Dept Chem, Leninskie Gory 1-3, Moscow 119991, Russia;

Soochow Univ, Lab Adv Optoelect Mat, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China;

Friedrich Alexander Univ Erlangen Nuremberg, I MEET, Martensstr 7, D-91058 Erlangen, Germany|Bavarian Ctr Appl Energy Res ZAE Bayern, Haberstr 2a, D-91058 Erlangen, Germany;

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industrial figure of merit; long-term stability; low cost; power conversion efficiency; processability;

机译：工业优点;长期稳定性;低成本;功率转换效率;可加工性;

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2. High-performance asymmetric small molecular donor materials based on indenothiophene for solution-processed organic solar cells [J] . Hua Tan, Baoqi Wu, Jun Zhang, 天然气化学（英文版） . 2019,第004期

机译：基于茚并噻吩的高性能不对称小分子供体材料，用于溶液处理的有机太阳能电池
3. High-performance asymmetric small molecular donor materials based on indenothiophene for solution-processed organic solar cells [J] . Hua Tan, Baoqi Wu, Jun Zhang, 能源化学：英文版 . 2019,第004期

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4. Investigation of poly(cyclopentadithiophenes) as electron donor materials for organic solar cells [C] . Vladislav A. Kostyanovskiy, Pavel A. Troshin, Getachew Adam Proceedings of the Spring E-MRS Meeting, Symposium S . 2011

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5. Charge Photogeneration Experiments and Theory in Aggregated Squaraine Donor Materials for Improved Organic Solar Cell Efficiencies. [D] . Spencer, Susan Demetra. 2014

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6. A New Figure of Merit for Organic Solar Cells with Transport-limited Photocurrents [O] . Dieter Neher, Juliane Kniepert, Arik Elimelech, -1

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7. Unsymmetrical Triphenylamine-Oligothiophene Hybrid Conjugated Systems as Donor Materials for High-Voltage Solution-Processed Organic Solar Cells [O] . E. Ripaud, T. Rousseau, P. Leriche, 2011

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Evaluation of Electron Donor Materials for Solution-Processed Organic Solar Cells via a Novel Figure of Merit

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