Cross-linkable fluorene-based hole transporting materials for perovskite solar cells

被引：3
作者：
Kamarauskas, Egidijus [1 ]
Jegorove, Aiste [2 ]
Cepas, Romualdas J. [1 ]
Daskeviciute-Geguziene, Sarune [2 ]
Genevicius, Kristijonas [1 ]
Franckevicius, Marius [3 ]
Talaikis, Martynas [5 ]
Dobuzinskas, Rokas [1 ]
Scheler, Florian [4 ]
Sveinbjornsson, Kari [4 ]
Jankauskas, Vygintas [1 ]
Getautis, Vytautas [2 ]
机构：
[1] Vilnius Univ, Inst Chem Phys, Sauletekio Ave 9, LT-10222 Vilnius, Lithuania
[2] Kaunas Univ Technol, Dept Organ Chem, Radvilenu Pl 19, LT-50254 Kaunas, Lithuania
[3] Ctr Phys Sci & Technol, Dept Mol Cpd Phys, Sauletekio Ave 3, LT-10257 Vilnius, Lithuania
[4] Helmholtz Zentrum Berlin Mat & Energie GmbH, Solar Energy Div, D-12489 Berlin, Germany
[5] Ctr Phys Sci & Technol, Dept Organ Chem, Sauletekio Ave 3, LT-10257 Vilnius, Lithuania
来源：
CHEMICAL PHYSICS | 2024年 / 579卷
关键词：
Cross-linking; Hole transport material; Solar cells; Energetic and spatial disorder; SPIRO-OMETAD; EFFICIENT; POLYMER; STYRENE;
D O I：
10.1016/j.chemphys.2024.112183
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：
Cross-linkable hole transporting materials (HTMs) based on fluorene core containing vinyl groups were synthesized and analyzed. It has been demonstrated that these HTMs are cross-linkable at temperatures above 200 degrees C and they are thermally stable at up to 400 degrees C. Cross-linking has little effect on energy level (HOMO) and causes only slight changes in the hole drift mobility values at room temperature, due to changes in spatial and energetic disorder. While employing cross-linked fluorene-diphenylamine derivative (<bold>V1145</bold>) as an HTM layer between perovskite and indium-tin oxide (ITO) in inverted perovskite solar cells (PSCs), the power conversion efficiency (PCE) of the cell was 11.42% (under AM 1.5G 100 mW cm(-2) illumination), demonstrating the potential of the presented class of dopant-free organic HTMs.
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页数：7
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