Defects and Morphology Contribution to Photoluminescence of CH3NH3PbI3 Nanostructured by Femtosecond Laser Pulses
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Published:2020-11
Issue:
Volume:312
Page:179-184
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ISSN:1662-9779
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Container-title:Solid State Phenomena
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language:
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Short-container-title:SSP
Author:
Tonkaev Pavel1, Zhizhchenko Aleksey Y.2, Gets Dmitry S.1, Larin Artem1, Zuev Dmitry1, Zakharenko Alexander M.3, Kuchmizhak Aleksandr A.4, Makarov Sergey M.1
Affiliation:
1. ITMO University 2. Institute of Automation and Control Processes Far Eastern Branch of the Russian Academy of Sciences (IACP FEB RAS) 3. Far Eastern Federal University 4. Institute of Automation and Control Processes (IACP), Far Eastern Branch of Russian Academy of Sciences
Abstract
Despite basic optoelectronic properties of metal-organic perovskites are quite robust to defects, thelatter affect performance of related photovoltaic devices made of such promising materials. Recently,direct femtosecond projection lithography appeared as prospective tool for high-performing nondestructivenano- and microstructuring of perovskite films. Here, we study in details how defects affectthe photoluminescence properties of CH3NH3PbI3 hybrid perovskite films patterned with single- andmulti-pulse irradiation with flat-top femtosecond laser pulses. Scanning electron, wide-field multiphoton,photoluminescence and laser confocal microscopies being combined with photoluminescencedecay measurements are carried out for these studies. The obtained experimental results are analyzedwith a model for carriers kinetics allowed to determine contributions from radiative and non-radiative processes.
Publisher
Trans Tech Publications, Ltd.
Subject
Condensed Matter Physics,General Materials Science,Atomic and Molecular Physics, and Optics
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