Additive effects of CuPcX4-TCNQ on CH3NH3PbI3 perovskite solar cells

Fabrication and characterization of methylammonium lead iodide CH 3 NH 3 PbI 3 (MAPbI 3 ) perovskite solar cells using decaphenylpentacyclosilane (DPPS), metal phthalocyanine complex doped with tetracyanoquinodimethane (TCNQ) as hole-transporting materials were performed. Additive effects of carboxy...

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Bibliographic Details
Published in:Journal of materials science. Materials in electronics 2023-03, Vol.34 (7), p.588, Article 588
Main Authors: Suzuki, Atsushi, Hasegawa, Ryota, Funayama, Kai, Oku, Takeo, Okita, Masanobu, Fukunishi, Sakiko, Tachikawa, Tomoharu, Hasegawa, Tomoya
Format: Article
Language:English
Subjects:
Carboxylic acids
Characterization and Evaluation of Materials
Charge transfer
Chemistry and Materials Science
Crystal structure
Current carriers
Electronic structure
Materials Science
Metal phthalocyanines
Molecular interactions
Optical and Electronic Materials
Perovskites
Photovoltaic cells
Sodium salts
Solar cells
Sulfonic acid
Tetracyanoquinodimethane
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Summary:Fabrication and characterization of methylammonium lead iodide CH 3 NH 3 PbI 3 (MAPbI 3 ) perovskite solar cells using decaphenylpentacyclosilane (DPPS), metal phthalocyanine complex doped with tetracyanoquinodimethane (TCNQ) as hole-transporting materials were performed. Additive effects of carboxylic acid, amino, or sulfonic acid sodium salt substituted phthalocyanine complex (MPcX 4 , M  = Cu, Zn, Co, X  = COOH, NH 2 or SO 3 Na) doped with TCNQ on the photovoltaic properties, crystal orientation, morphologies and electronic structure were investigated. Incorporation of DPPS and CuPc(NH 2 ) 4 doped with TCNQ on the perovskite layer promoted the carrier generation and charge transfer, yielding the best performance of conversion efficiency as compared with other cases. The photovoltaic performance depended on the (100) crystal orientation in the perovskite layer. The surface modification and passivation in the perovskite layer supported the photovoltaic performance with stability under air atmosphere. The molecular interaction based on overlap of π-orbital on CuPc(NH 2 ) 4 , TCNQ and the perovskite crystal promoted the charge transfer at the interface between the perovskite layer and hole-transporting layer, improving the photovoltaic performance.
ISSN:0957-4522
1573-482X
DOI:10.1007/s10854-023-10001-z