Electron Transport Layer‐Free Solar Cells Based on Perovskite–Fullerene Blend Films with Enhanced Performance and Stability | Zendy

Pascual Jorge | Zendy; Kosta Ivet | Zendy; Tuyen Ngo T. | Zendy; Chuvilin Andrey | Zendy; Cabanero German | Zendy; Grande Hans J. | Zendy; Barea Eva M. | Zendy; MoraSeró Iván | Zendy; Delgado Juan Luis | Zendy; TenaZaera Ramon | Zendy

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Electron Transport Layer‐Free Solar Cells Based on Perovskite–Fullerene Blend Films with Enhanced Performance and Stability

Author(s) -

Pascual Jorge,

Kosta Ivet,

Tuyen Ngo T.,

Chuvilin Andrey,

Cabanero German,

Grande Hans J.,

Barea Eva M.,

MoraSeró Iván,

Delgado Juan Luis,

TenaZaera Ramon

Publication year - 2016

Publication title -

chemsuschem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.412

H-Index - 157

eISSN - 1864-564X

pISSN - 1864-5631

DOI - 10.1002/cssc.201600940

Subject(s) - triiodide , perovskite (structure) , materials science , fullerene , energy conversion efficiency , dielectric spectroscopy , tin oxide , chemical engineering , thin film , optoelectronics , layer (electronics) , doping , nanotechnology , dye sensitized solar cell , electrode , chemistry , organic chemistry , electrochemistry , electrolyte , engineering

The solution processing of pinhole‐free methylammonium lead triiodide perovskite–C 70 fullerene (MAPbI 3 :C 70 ) blend films on fluorine‐doped tin oxide (FTO)‐coated glass substrates is presented. Based on this approach, a simplified and robust protocol for the preparation of efficient electron‐transport layer (ETL)‐free perovskite solar cells is described. Power conversion efficiency (PCE) of 13.6 % under AM 1.5 G simulated sunlight is demonstrated for these devices. Comparative impedance spectroscopy and photostability analysis of the MAPbI 3 :C 70 and single MAPbI 3 films compared with conventional compact TiO 2 ETL‐based devices are shown. The beneficial impact of using MAPbI 3 :C 70 blend films is emphasized.

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