N,N-Bis(9-methyl-3-carbazolyl)-4-anisidine as an Electroactive Material for Use in Perovskite Solar Cells

被引:0
作者
Keruckas, Jonas [1 ]
Janasik, Patryk [2 ,3 ]
Keruckiene, Rasa [1 ,2 ]
Czulkin, Pawel [2 ,3 ]
Czichy, Malgorzata [2 ,3 ]
Lapkowski, Mieczyslaw [2 ,3 ,5 ]
Volyniuk, Dmytro [1 ]
Durgaryan, Ranush [1 ,4 ]
Kim, Byeong Jo [4 ]
Boschloo, Gerrit [4 ]
Grazulevicius, Juozas Vidas [1 ]
机构
[1] Kaunas Univ Technol, Dept Polymer Chem & Technol, LT-51423 Kaunas, Lithuania
[2] Silesian Tech Univ, Dept Phys Chem & Technol Polymers, PL-44100 Gliwice, Poland
[3] Silesian Tech Univ, Ctr Organ & Nanohybrid Elect, PL-44100 Gliwice, Poland
[4] Uppsala Univ, Dept Chem, Angstrom Lab, Phys Chem, S-75120 Uppsala, Sweden
[5] Polish Acad Sci Zabrze, Ctr Polymer & Carbon Mat, PL-41819 Zabrze, Poland
关键词
perovskite solar cell; time-of-flight; electrooxidationmechanism; EIS; DFT; HOLE-TRANSPORTING MATERIALS; MOLECULAR GLASSES; HOST MATERIALS; CARBAZOLE; TRIPHENYLAMINE; ENHANCEMENT; DERIVATIVES; EFFICIENCY;
D O I
10.1021/acsaem.3c00102
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Di-(9-methyl-3-carbazolyl)-(4-anisyl)-amine is presentedas an effectivehole-transporting material suitable for application in perovskitesolar cells. It is obtained by a three-step synthesis from inexpensivestarting compounds. It has a relatively high glass transition temperatureof 93 degrees C and thermal stability with 5% weight loss at 374 degrees C.The compound exhibits reversible double-wave electrochemical oxidationbelow +1.5 V and polymerization at higher potential. A mechanism forits oxidation is proposed based on electrochemical impedance and electronspin resonance spectroscopy investigations, ultraviolet-visible-near-infraredabsorption spectroelectrochemistry results, and density functionaltheory-based calculations. Vacuum-deposited films of the compoundare characterized by a low ionization potential of 5.02 +/- 0.06eV and hole mobility of 10(-3) cm(2)/(Vs)at an electric field of 4 x 10(5) V/cm. The newly synthesizedcompound has been used to fabricate dopant-free hole-transportinglayers in perovskite solar cells. A power conversion efficiency of15.5% was achieved in a preliminary study.
引用
收藏
页码:5720 / 5728
页数:9
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