A New 1,3,4-Oxadiazole-Based Hole-Transport Material for Efficient CH3NH3PbBr3 Perovskite Solar Cells

被引：32

作者：

Carli, Stefano ^{[1
]}

Baena, Juan Pablo Correa ^{[2
]}

Marianetti, Giulia ^{[3
]}

Marchetti, Nicola ^{[1
]}

Lessi, Marco ^{[4
]}

Abate, Antonio ^{[5
]}

Caramori, Stefano ^{[1
]}

Graetzel, Michael ^{[5
]}

Bellina, Fabio ^{[4
]}

Bignozzi, Carlo Alberto ^{[1
]}

Hagfeldt, Anders ^{[2
]}

机构：

[1] Univ Ferrara, Dept Chem & Pharmaceut Sci, I-44121 Ferrara, Italy

[2] Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photomol Sci, CH-1015 Lausanne, Switzerland

[3] Scuola Normale Super Pisa, I-56126 Pisa, Italy

[4] Univ Pisa, Dept Chem & Ind Chem, I-56126 Pisa, Italy

[5] Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland

来源：

CHEMSUSCHEM | 2016年 / 9卷 / 07期

关键词：

hole transport; oxadiazole; perovskite; solar cells; titania; LEAD BROMIDE; PHOTOVOLTAIC CELLS; DERIVATIVES; SENSITIZERS;

D O I：

10.1002/cssc.201501665

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new hole-transport material (HTM) based on the 1,3,4-oxadiazole moiety (H1) was prepared through a single-step synthetic pathway starting from commercially available products. Thanks to a deep HOMO level, H1 was used as HTM in CH3NH3PbBr3 perovskite solar cells yielding an efficiency of 5.8%. The reference HTM (Spiro-OMeTAD), under the same testing conditions, furnished a lower efficiency of 5.1%. Steady-state and time-resolved photoluminescence of the thin films showed good charge-extraction dynamics for H1 devices. In addition, H1 shows a large thermal stability and completely amorphous behavior (as evaluated by thermal gravimetric analysis and differential scanning calorimetry).

引用

页码：657 / 661

页数：5

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