Diphenylamine-Substituted Carbazole-Based Hole Transporting Materials for Perovskite Solar Cells: Influence of Isomeric Derivatives

被引：101

作者：

Magomedov, Artiom ^{[1
]}

Paek, Sanghyun ^{[2
]}

Gratia, Paul ^{[2
]}

Kasparavicius, Ernestas ^{[1
]}

Daskeviciene, Maryte ^{[1
]}

Kamarauskas, Egidijus ^{[3
]}

Gruodis, Alytis ^{[3
]}

Jankauskas, Vygintas ^{[3
]}

Kantminiene, Kristina ^{[4
]}

Cho, Kyung Taek ^{[2
]}

Rakstys, Kasparas ^{[2
]}

Malinauskas, Tadas ^{[1
]}

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, Inst Chem Sci & Engn, Grp Mol Engn Funct Mat, CH-1015 Sion, Switzerland

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

[4] Kaunas Univ Technol, Dept Phys & Inorgan Chem, Radvilenu Pl 19, LT-50254 Kaunas, Lithuania

来源：

ADVANCED FUNCTIONAL MATERIALS | 2018年 / 28卷 / 09期

基金：

瑞士国家科学基金会;

关键词：

diphenylamine-substituted carbazole; hole transporting materials; influence of hole transporting materials isomers; perovskite solar cells; semiconductors; LOW-COST; ORGANIC SEMICONDUCTORS; PHOTOVOLTAICS; PERFORMANCE; EFFICIENCY; MOBILITY;

D O I：

10.1002/adfm.201704351

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of new branched hole transporting materials (HTMs) containing two diphenylamine-substituted carbazole fragments linked by a nonconjugated methylenebenzene unit is synthesized and tested in perovskite solar cells. Synthesis of the investigated materials is performed by a simple two-step synthetic procedure providing a target product in high yield. The isolated materials demonstrate good thermal stability and majority of the investigated compounds exist in an amorphous state, which is advantageous as there is no risk of crystallization directly in the film. The highest charge drift mobility of mu(0) = 4 x 10(-4) cm(2) V-1 s(-1), measured at weak electric fields, is by ca. one order of magnitude higher than that of Spiro-OMeTAD under identical conditions. From the perovskite solar cell testing results, it can be seen that performance of two new HTMs (V885 and V911) is on a par with Spiro-OMeTAD. Due to the ease of synthesis, good thermal, optical and photophysical properties, this type of molecules hold great promise for practical application in commercial perovskite solar cells.

引用

页数：13

共 31 条

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