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Title: | Intrinsic Thermal Instability of Methylammonium Lead Trihalide Perovskite | Authors: | CONINGS, Bert DRIJKONINGEN, Jeroen Gauquelin, Nicolas BABAYIGIT, Aslihan D'HAEN, Jan D'OLIESLAEGER, Lien ETHIRAJAN, Anitha Verbeeck, Jo MANCA, Jean Mosconi, Edoardo De Angelis, Filippo BOYEN, Hans-Gerd |
Issue Date: | 2015 | Publisher: | WILEY-V C H VERLAG GMBH | Source: | 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. | Keywords: | atomic force microscopy; perovskite solar cells; stability; transmission electron microscopy; X-ray photoelectron spectroscopy;atomic force microscopy; perovskite solar cells; stability; transmission electron microscopy; X-ray photoelectron spectroscopy | Document URI: | http://hdl.handle.net/1942/19170 | ISSN: | 1614-6832 | e-ISSN: | 1614-6840 | DOI: | 10.1002/aenm.201500477 | ISI #: | 000359374900005 | Rights: | © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2016 |
Appears in Collections: | Research publications |
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