Title
Intrinsic thermal instability of methylammonium lead trihalide perovskite Intrinsic thermal instability of methylammonium lead trihalide perovskite
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
,
Subject
Physics
Chemistry
Engineering sciences. Technology
Source (journal)
Laser physics review. - Place of publication unknown
Volume/pages
5(2015) :15 , 8 p.
ISSN
1614-6832
1614-6832
Article Reference
1500477
Carrier
E-only publicatie
Target language
Dutch (dut)
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
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 °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 °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.
E-info
https://repository.uantwerpen.be/docman/iruaauth/c9c438/28510694.pdf
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