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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/19170

Title: Intrinsic Thermal Instability of Methylammonium Lead Trihalide Perovskite
Authors: Conings, Bert
Drijkoningen, Jeroen
Gauquelin, Nicolas
Babayigit, Aslihan
D'Haen, Jan
D'Olieslager, Lien
Ethirajan, Anitha
Verbeeck, Jo
Manca, Jean
Mosconi, Edoardo
De Angelis, Filippo
Boyen, Hans-Gerhard
Issue Date: 2015
Publisher: WILEY-V C H VERLAG GMBH
Citation: ADVANCED ENERGY MATERIALS, 5 (15)
Abstract: Organolead halide perovskites currently are the new front-runners as light absorbers in hybrid solar cells, as they combine efficiencies passing already 20% with deposition temperatures below 100 degrees C and cheap solution-based fabrication routes. Long-term stability remains a major obstacle for application on an industrial scale. Here, it is demonstrated that significant decomposition effects already occur during annealing of a methylammonium lead triiode perovskite at 85 degrees C even in inert atmosphere thus violating international standards. The observed behavior supports the view of currently used perovskite materials as soft matter systems with low formation energies, thus representing a major bottleneck for their application, especially in countries with high average temperatures. This result can trigger a broader search for new perovskite families with improved thermal stability.
Notes: [Conings, Bert; Drijkoningen, Jeroen; Babayigit, Aslihan; D'Haen, Jan; D'Olieslaeger, Lien; Ethirajan, Anitha; Boyen, Hans-Gerd] Hasselt Univ, Inst Mat Res, B-3590 Diepenbeek, Belgium. [Gauquelin, Nicolas; Verbeeck, Jo] Univ Antwerp, Electron Microscopy Mat Res EMAT, B-2020 Antwerp, Belgium. [Manca, Jean] Hasselt Univ, X LaB, B-3590 Diepenbeek, Belgium. [Mosconi, Edoardo; De Angelis, Filippo] CNR ISTM, Computat Lab Hybrid Organ Photovolta CLHYO, I-06123 Perugia, Italy.
URI: http://hdl.handle.net/1942/19170
DOI: 10.1002/aenm.201500477
ISI #: 000359374900005
ISSN: 1614-6832
Category: A1
Type: Journal Contribution
Validation: ecoom, 2016
Appears in Collections: Research publications

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