Issue 52, 2020, Issue in Progress
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RSC Advances

Study on photovoltaic stability and performance by incorporating tetrabutyl phosphonium iodide into the active layer of a perovskite type photovoltaic cell

Edgar González-Juárez,a   Karen Valadez-Villalobos,a   Diana F. Garcia-Gutierrez, ORCID logo b   Domingo I. Garcia-Gutierrez, ORCID logo b   Arian Espinosa Roac  and  Eduardo Sanchez ORCID logo *a  

* Corresponding authors

a Universidad Autónoma de Nuevo León, UANL, Facultad de Ciencias Químicas, FCQ, Av. Universidad s/n, Cd. Universitaria, San Nicolás de los Garza, Nuevo León, Mexico
E-mail: eduardo.sanchezcv@uanl.edu.mx

b Universidad Autónoma de Nuevo León, UANL, Facultad de Ingeniería Mecánica y Eléctrica, FIME, Av. Universidad s/n, Cd. Universitaria, San Nicolás de los Garza, Nuevo León, Mexico

c CONACyT-Centro de Investigación en Química Aplicada, Unidad Monterrey, Parque de Innovación e Investigación Tecnológica (PIIT), Alianza Sur, No. 204, Apodaca, Nuevo León, Mexico

Abstract

A simple synthesis of an ionic liquid is carried out using a trialkylphosphine and an alkyl halide. The results showed that the quality of perovskite crystals is enhanced by the incorporation of B4PI, when the percentage is 1.5% the PCE of champion PSCs MA98.5(B4PI)1.5PbI3 increases significantly from 15.5%, with a VOC of 0.957 mV, JSC of 23.6 mA cm−2, and an FF of 68.4%. Stability tests show that excess B4PI by 20% has a protective effect against humidity, MA80(B4PI)20PbI3 was more stable towards humidity, losing only 20% efficiency for 200 h.

Graphical abstract: Study on photovoltaic stability and performance by incorporating tetrabutyl phosphonium iodide into the active layer of a perovskite type photovoltaic cell

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Article information

DOI
https://doi.org/10.1039/D0RA04630B
Article type
Paper
Submitted
25 May 2020
Accepted
11 Aug 2020
First published
25 Aug 2020
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2020,10, 31575-31585

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Study on photovoltaic stability and performance by incorporating tetrabutyl phosphonium iodide into the active layer of a perovskite type photovoltaic cell

E. González-Juárez, K. Valadez-Villalobos, D. F. Garcia-Gutierrez, D. I. Garcia-Gutierrez, A. E. Roa and E. Sanchez, RSC Adv., 2020, 10, 31575 DOI: 10.1039/D0RA04630B

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