Nanoparticulate Metal Oxide Top Electrode Interface Modification Improves the Thermal Stability of Inverted Perovskite Photovoltaics

Overview

Journal Nanomaterials (Basel)

Date 2019 Nov 20

PMID 31739544

Citations 4

Authors

Ioannis T Papadas

Fedros Galatopoulos

Gerasimos S Armatas

Nir Tessler

Stelios A Choulis

Affiliations

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Abstract

Solution processed γ-FeO nanoparticles via the solvothermal colloidal synthesis in conjunction with ligand-exchange method are used for interface modification of the top electrode in inverted perovskite solar cells. In comparison to more conventional top electrodes such as PC(70)BM/Al and PC(70)BM/AZO/Al, we show that incorporation of a γ-FeO provides an alternative solution processed top electrode (PC(70)BM/γ-FeO/Al) that not only results in comparable power conversion efficiencies but also improved thermal stability of inverted perovskite photovoltaics. The origin of improved stability of inverted perovskite solar cells incorporating PC(70)BM/ γ-FeO/Al under accelerated heat lifetime conditions is attributed to the acidic surface nature of γ-FeO and reduced charge trapped density within PC(70)BM/ γ-FeO/Al top electrode interfaces.

Citing Articles

Optimized Doping of Diffusion Blocking Layers and Their Impact on the Performance of Perovskite Photovoltaics.

Galatopoulos F, Bitton S, Tziampou M, Tessler N, Choulis S ACS Appl Electron Mater. 2023; 5(10):5580-5587.

PMID: 37900260 PMC: 10601534. DOI: 10.1021/acsaelm.3c00900.

All-Inorganic p-n Heterojunction Solar Cells by Solution Combustion Synthesis Using N-type FeMnO Perovskite Photoactive Layer.

Papadas I, Ioakeimidis A, Vamvasakis I, Eleftheriou P, Armatas G, Choulis S Front Chem. 2021; 9:754487.

PMID: 34660541 PMC: 8511641. DOI: 10.3389/fchem.2021.754487.

Surface Treatment of Cu:NiOx Hole-Transporting Layer Using β-Alanine for Hysteresis-Free and Thermally Stable Inverted Perovskite Solar Cells.

Galatopoulos F, Papadas I, Ioakeimidis A, Eleftheriou P, Choulis S Nanomaterials (Basel). 2020; 10(10).

PMID: 33019734 PMC: 7599611. DOI: 10.3390/nano10101961.

Nitrobenzene as Additive to Improve Reproducibility and Degradation Resistance of Highly Efficient Methylammonium-Free Inverted Perovskite Solar Cells.

Ioakeimidis A, Choulis S Materials (Basel). 2020; 13(15).

PMID: 32718083 PMC: 7435988. DOI: 10.3390/ma13153289.

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