Passivating Defects of Perovskite Solar Cells with Functional Donor-Acceptor-Donor Type Hole Transporting Materials

被引：13

作者：

Daskeviciute-Geguziene, Sarune ^{[1
]}

Zhang, Yi ^{[2
]}

Rakstys, Kasparas ^{[1
]}

Xiao, Chuanxiao ^{[3
,4
]}

Xia, Jianxing ^{[2
]}

Qiu, Zhiheng ^{[3
,4
]}

Daskeviciene, Maryte ^{[1
]}

Paskevicius, Tomas ^{[5
]}

Jankauskas, Vygintas ^{[6
]}

Asiri, Abdullah M. ^{[7
]}

Getautis, Vytautas ^{[1
]}

Nazeeruddin, Mohammad Khaja ^{[2
]}

机构：

[1] Kaunas Univ Technol, Dept Organ Chem, Radvilenu Pl 19, LT-50254 Kaunas, Lithuania

[2] Ecole Polytech Fed Lausanne, Grp Mol Engn Funct Mat, Inst Chem Sci & Engn, CH-1951 Sion, Switzerland

[3] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China

[4] Ningbo New Mat Testing & Evaluat Ctr CO Ltd, Ningbo 315201, Zhejiang, Peoples R China

[5] Ctr Phys Sci & Technol, Dept Organ Chem, Akad G 7, LT-08412 Vilnius, Lithuania

[6] Vilnius Univ, Inst Chem Phys, Sauletekio Al 3, LT-10257 Vilnius, Lithuania

[7] King Abdulaziz Univ, Ctr Excellence Adv Mat Res CEAMR, POB 80203, Jeddah 21589, Saudi Arabia

来源：

ADVANCED FUNCTIONAL MATERIALS | 2023年 / 33卷 / 01期

关键词：

defects passivation; donor-acceptor-donor; fluorene; malononitrile; perovskite solar cells; LOW-COST; HIGH-PERFORMANCE; CHALLENGES; EFFICIENCY; ENAMINES;

D O I：

10.1002/adfm.202208317

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this study, a series of donor-acceptor-donor (D-A-D) type small molecules based on the fluorene and diphenylethenyl enamine units, which are distinguished by different acceptors, as holetransporting materials (HTMs) for perovskite solar cells is presented. The incorporation of the malononitrile acceptor units is found to be beneficial for not only carrier transportation but also defects passivation via Pb-N interactions. The highest power conversion efficiency of over 22% is achieved on cells based on V1359, which is higher than that of spiro-OMeTAD under identical conditions. This st shows that HTMs prepared via simplified synthetic routes are not only a low-cost alternative to spiro-OMeTAD but also outperform in efficiency and stability state-of-art materials obtained via expensive cross-coupling methods.

引用

页数：8

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