Cu(II) and Zn(II) based phthalocyanines as hole selective layers for perovskite solar cells

被引:40
作者
Calio, Laura [1 ]
Follana-Berna, Jorge [3 ]
Kazim, Samrana [1 ]
Madsen, Morten [4 ]
Rubahn, Horst-Gunter [4 ]
Sastre-Santos, Angela [3 ]
Ahmad, Shahzada [1 ,2 ]
机构
[1] Abengoa, Abengoa Res, C Energia Solar 1,Campus Palmas Altas, Seville 41014, Spain
[2] Basque Ctr Mat Applicat & Nanostruct BCMat, Parque Tecnol Bizkaia,Bldg 500, Derio, Spain
[3] Univ Miguel Hernandez, Inst Bioingn, Area Quim Organ, Avda Univ S-N, Elche 03202, Spain
[4] Univ Southern Denmark, SDU NanoSYD, Mads Clausen Inst, Alsion 2, DK-6400 Sonderborg, Denmark
关键词
OPEN-CIRCUIT VOLTAGE; TRANSPORTING MATERIAL; STABILITY; DOPANT; PERFORMANCE; EFFICIENCY; CORE;
D O I
10.1039/c7se00367f
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
Recently, significant progress has been achieved in the fabrication of highly efficient perovskite solar cells, while major challenges, such as the commercial viability of exotic materials and their instability, remain an obstacle. Hole transporting materials (HTMs) represent a tricky choice for the fabrication of efficient solar cells and cost ineffective Spiro-OMeTAD continues to be so far the most obvious candidate. Organometallic complexes, such as phthalocyanine metal complexes, appeared as a promising class of p-type material, since they are less expensive and more stable. Herein, we report the synthesis of a novel Cu(II)-based phthalocyanine [((t)OctPhO)(8)CuPc 1] with 4-tert-octylphenoxy-substituted functional groups that possesses a very good solubility in a wide range of organic solvents, and thus can be applied using solution processing in a wide range of electro-optical devices. In the present work ((t)OctPhO)(8)CuPc 1 and its analogous Zn(II) phthalocyanine [represented as ((t)OctPhO)(8)ZnPc 2] were tested in mixed perovskites (FAPbBr3)(0.85)(MAPbl(3))(0.15) for the fabrication of perovskite solar cells. These phthalocyanine based HTMs exhibited competitive power conversion efficiencies and demonstrated superior stability when compared to classical HTMs.
引用
收藏
页码:2071 / 2077
页数:7
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