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MICROSCOPIC AND KELVIN PROBE STUDY OF CHARGE TRANSPORTING LAYERS ROLE IN MAPI PEROVSKITES WITH VARIED COMPOSITION

1 KULIČEK Jaroslav
Co-authors:
1,2 ABUDULIMU Abbasi 3 LIU Lang 4 LIU Guilin 3 QI Chen 1 REZEK Bohuslav
Institutions:
1 Faculty of Electrical Engineering, Czech Technical University, Prague, Czech Republic, EU, kulicjar@fel.cvut.cz
2 IMDEA Nanociencia, C/ Faraday 9, 28049 Madrid, Spain, EU
3 School of Materials and engineering, Beijing Institute of Technology, Beijing, China
4 School of Science, Jiangnan University, Wuxi, China
Conference:
11th International Conference on Nanomaterials - Research & Application, Hotel Voronez I, Brno, Czech Republic, EU, October 16th - 18th 2019
Proceedings:
Proceedings 11th International Conference on Nanomaterials - Research & Application
Pages:
130-135
ISBN:
978-80-87294-95-6
ISSN:
2694-930X
DOI:
https://doi.org/10.37904/nanocon.2019.8662
Published:
1st April 2020
Proceedings of the conference were published in Web of Science and Scopus.
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Abstract

Perovskites are one of the most intensively studied photovoltaic materials nowadays. Microscopic studies can provide useful information about material roughness, conductivity, structure, mechanical and opto-electronic properties as well as about kinetic effects from short to long time scale for understanding and improving the photovoltaic performance. Here, time-resolved photovoltage was measured by Kelvin probe in the dark and under white light illumination. Morphology was characterized by optical and atomic force microscopy. We identify the impact charge transporting layers (CTLs) on structural and opto-electronic properties of MAPbI3 perovskite with different ratio of MAI and PbI2.

Keywords: Perovskites, ionic migration, solar cells, charge transporting layers

© This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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