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首页> 外文期刊>Advanced Functional Materials >Solubility Based Identification of Green Solvents for Small Molecule Organic Solar Cells
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Solubility Based Identification of Green Solvents for Small Molecule Organic Solar Cells

机译：基于溶解度的小分子有机太阳能电池绿色溶剂的鉴定

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摘要

Replacing halogenated solvents in the processing of organic solar cells by green solvents is a required step before the commercialization of this technology. With this purpose, some attempts have been made, although a general method is yet to be developed. Here, the potential of the Hansen solubility parameters (HSP) analysis for the design of green ink formulations for solution-processed active layer in bulk heterojunction photovoltaic devices based on small molecules is demonstrated. The motivation of moving towards organic small molecules stems from their lower molecular weight and more definite structure which makes them more likely to be dissolved in a wider variety of organic solvents. In the first step, the HSP of selected active materials are determined, namely, the star-shaped D-λ-A tris{4-[5"-(1,l-dicyanobut-l-en-2-yl)-2,2'-bithiophen-5-yl}phenyl}amine N(Ph-2T-DCN-Et)_3 small molecule and fullerene derivative [6,6]-phenyl-C_(71)-butyric acid methyl ester (PC_(70)BM). Secondly, computer simulations based on HSP allow the prediction of suitable green solvents for this specific material system. The most promising green solvents, according to the simulations, are then used to fabricate solar cell devices using pristine solvents and two solvents mixtures. These devices show power conversion efficiencies around 3.6%, which are comparable to those obtained with halogenated solvents. This good performance is a result of the sufficient solubility achieved after a successful prediction of good (green) solvents.
机译：在该技术商业化之前，用绿色溶剂代替有机太阳能电池加工中的卤化溶剂是必需的步骤。为了这个目的，尽管尚未开发出一种通用方法，但已经进行了一些尝试。在此，展示了汉森溶解度参数（HSP）分析对于基于小分子的本体异质结光伏器件中溶液处理的有源层的绿色油墨配方设计的潜力。转向有机小分子的动机源于其较低的分子量和更明确的结构，这使其更可能溶于多种有机溶剂中。在第一步中，确定所选活性材料的HSP，即星形D-λ-Atris {4- [5“-（1，l-二氰基丁-1--1--2-基）-2 ，2'-联噻吩-5-基}苯基}胺N（Ph-2T-DCN-Et）_3小分子和富勒烯衍生物[6,6]-苯基-C_（71）-丁酸甲酯（PC_（70 ）BM）。其次，基于HSP的计算机模拟可以预测适用于该特定材料系统的绿色溶剂，然后根据模拟将最有前途的绿色溶剂用于制造使用原始溶剂和两种溶剂混合物的太阳能电池设备这些设备的功率转换效率约为3.6％，可与卤代溶剂获得的功率转换效率相媲美，这是成功预测出良好的（绿色）溶剂后可获得足够溶解度的结果。

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  • 来源
    《Advanced Functional Materials》 |2014年第10期|1449-1457|共9页
  • 作者

    Ignasi Burgues-Ceballos; Florian Machui; Jie Min; Tayebeh Ameri; Monika M. Voigt; Yuriy N. Luponosov; Sergei A. Ponomarenko; Paul D. Lacharmoise; Mariano Campoy-Quiles; ChristophJ. Brabec;

  • 作者单位

    Institute Materials for Electronics and Energy Technology (i-MEET) University Erlangen-Niirnberg Martensstrasse 7, 91058, Erlangen, Germany,Cetemmsa Technological Centre Av. Ernest Lluch 36, 08302, Matar6, Spain,Institut de Ciencia de Materials de Barcelona (ICMAB-CSIC), Esfera UAB, 08193, Bellaterra, Spain;

    Institute Materials for Electronics and Energy Technology (i-MEET) University Erlangen-Niirnberg Martensstrasse 7, 91058, Erlangen, Germany;

    Institute Materials for Electronics and Energy Technology (i-MEET) University Erlangen-Niirnberg Martensstrasse 7, 91058, Erlangen, Germany;

    Institute Materials for Electronics and Energy Technology (i-MEET) University Erlangen-Niirnberg Martensstrasse 7, 91058, Erlangen, Germany;

    Bavarian Center for Applied Energy Research (ZAE Bayern) Haberstrasse 2a, 91058, Erlangen, Germany;

    Enikolopov Institute of Synthetic Polymeric Materials of the Russian Academy of Sciences Profsoyuznaya 70, Moscow, 117393, Russia;

    Enikolopov Institute of Synthetic Polymeric Materials of the Russian Academy of Sciences Profsoyuznaya 70, Moscow, 117393, Russia,Lomonosov Moscow State University Leninskie Gory, Moscow, 119991, Russia;

    Cetemmsa Technological Centre Av. Ernest Lluch 36, 08302, Matar6, Spain;

    Institut de Ciencia de Materials de Barcelona (ICMAB-CSIC), Esfera UAB, 08193, Bellaterra, Spain;

    Institute Materials for Electronics and Energy Technology (i-MEET) University Erlangen-Niirnberg Martensstrasse 7, 91058, Erlangen, Germany,Bavarian Center for Applied Energy Research (ZAE Bayern) Haberstrasse 2a, 91058, Erlangen, Germany;

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