Thermally induced failure mechanisms in double and triple cations perovskite solar cells-Reference-Cited by-同舟云学术

Thermally induced failure mechanisms in double and triple cations perovskite solar cells

Published:2022-08-01 Issue:8 Volume:12 Page:085014
ISSN:2158-3226
Container-title:AIP Advances
language:en
Short-container-title:AIP Advances

Author:

Olanrewaju Yusuf A.¹²^ORCID,Koech Richard K.¹²^ORCID,Oyelade Omolara V.³⁴,Ahmed Ridwan A.²⁴^ORCID,Ichwani Reisya²⁴,Ebunu Abraham I.⁵,Cromwell Jaya⁴^ORCID,Bello Abdulhakeem³⁶^ORCID,Anye Vitalis C.¹,Oyewole Oluwaseun K.²⁴^ORCID,Soboyejo Winston O.²⁴^ORCID

Affiliation:

1. Department of Materials Science and Engineering, African University of Science and Technology, Km 10 Airport Road, P.M.B. 681 Garki-Abuja, Federal Capital Territory, Nigeria

2. Program in Materials Science and Engineering, Department of Mechanical Engineering, Worcester Polytechnic Institute, 100 Institute Road, Worcester, Massachusetts 01609, USA

3. Department of Theoretical and Applied Physics, African University of Science and Technology, Km 10 Airport Road, P.M.B. 681 Garki-Abuja, Federal Capital Territory, Nigeria

4. Department of Mechanical Engineering, Worcester Polytechnic Institute, 100 Institute Road, Worcester, Massachusetts 01609, USA

5. Department of Material Science and Engineering, Alfred University, Alfred, New York 14802, USA

6. Centre for Cyber Physical Food, Energy and Water System (CCP-FEWS), Electrical and Electronic Engineering Science, University of Johannesburg, Johannesburg, South Africa

Abstract

The control of the cation composition of formamidinium (FA), methylammonium (MA), and cesium (Cs) has been used to engineer significant improvements in organic–inorganic perovskite solar cells. However, the thermal stability of mixed-cation perovskite solar cells is not fully understood. In this work, we present the results of an experimental study of the stability of double-cation perovskites [(FAPbI3)0.97(MAPbBr3)0.03] [(FAMA)-perovskite solar cells (PSCs)] and triple-cation based-perovskites [Cs0.05(FA0.95MA0.05)0.95Pb(I0.95Br0.05)3] [(CsFAMA)-PSCs] operated between 40 and 60°C. The thermally induced changes in the film microstructure are elucidated via scanning electron microscopy and x-ray diffraction analyses, and these are related to changes in optoelectronic properties, charge transport, and current–voltage characteristics of (FAMA)-PSCs and (CsFAMA)-PSCs. The implications of the observed degradation mechanisms are also discussed for the future development of efficient and stable PSCs.

Funder

Pan African Materials Institute

Worcester Polytechnic Institute

African University of Science and Technology

Publisher

AIP Publishing

Subject

General Physics and Astronomy

Link

https://aip.scitation.org/doi/pdf/10.1063/5.0100183

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