High-Performance Planar Perovskite Optoelectronic Devices: A Morphological and Interfacial Control by Polar Solvent Treatment

Highly efficient planar perovskite optoelectronic devices are realized by amine‐based solvent treatment on compact TiO2 and by optimizing the morphology of the perovskite layers. Amine‐based solvent treatment between the TiO2 and the perovskite layers enhances electron injection and extraction and r...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2015-06, Vol.27 (23), p.3492-3500
Main Authors: Yu, Jae Choul, Kim, Da Bin, Baek, Gyoelim, Lee, Bo Ram, Jung, Eui Dae, Lee, Seungjin, Chu, Jae Hwan, Lee, Doh-Kwon, Choi, Kyoung Jin, Cho, Shinuk, Song, Myoung Hoon
Format: Article
Language:English
Subjects:
electroluminescence (EL)
Extraction
morphological control
Morphology
Optimization
Optoelectronic devices
perovskite
perovskite light-emitting diodes (PeLED)
Perovskites
solar cells
Solvents
Titanium dioxide
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Summary:Highly efficient planar perovskite optoelectronic devices are realized by amine‐based solvent treatment on compact TiO2 and by optimizing the morphology of the perovskite layers. Amine‐based solvent treatment between the TiO2 and the perovskite layers enhances electron injection and extraction and reduces the recombination of photogenerated charges at the interface.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201500465