Nanoparticulate metal oxide top electrode interface modification improves the thermal stability of inverted perovskite photovoltaics

Ioannis T. Papadas; Fedros Galatopoulos; Gerasimos S. Armatas; Nir Tessler; Stelios A. Choulis

doi:10.3390/nano9111616

Nanoparticulate metal oxide top electrode interface modification improves the thermal stability of inverted perovskite photovoltaics

Ioannis T. Papadas, Fedros Galatopoulos, Gerasimos S. Armatas, Nir Tessler, Stelios A. Choulis

Technion - Israel Institute of Technology

Research output: Contribution to journal › Article › peer-review

Abstract

Solution processed γ-Fe₂O₃ 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-Fe₂O₃ provides an alternative solution processed top electrode (PC(70)BM/γ-Fe₂O₃/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-Fe₂O₃/Al under accelerated heat lifetime conditions is attributed to the acidic surface nature of γ-Fe₂O₃ and reduced charge trapped density within PC(70)BM/ γ-Fe₂O₃/Al top electrode interfaces.

Original language	English
Article number	1616
Journal	Nanomaterials
Volume	9
Issue number	11
DOIs	https://doi.org/10.3390/nano9111616
State	Published - Nov 2019

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

Accelerated lifetime
Charge traps density
Degradation mechanisms
Electrodes
Impedance spectroscopy
Interfaces
Inverted perovskites solar cells
Nanoparticulate metal oxides
Thermal stability

All Science Journal Classification (ASJC) codes

General Chemical Engineering
General Materials Science

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10.3390/nano9111616

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@article{b655353ae12845db9c655f8eb3860098,

title = "Nanoparticulate metal oxide top electrode interface modification improves the thermal stability of inverted perovskite photovoltaics",

abstract = "Solution processed γ-Fe2O3 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-Fe2O3 provides an alternative solution processed top electrode (PC(70)BM/γ-Fe2O3/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-Fe2O3/Al under accelerated heat lifetime conditions is attributed to the acidic surface nature of γ-Fe2O3 and reduced charge trapped density within PC(70)BM/ γ-Fe2O3/Al top electrode interfaces.",

keywords = "Accelerated lifetime, Charge traps density, Degradation mechanisms, Electrodes, Impedance spectroscopy, Interfaces, Inverted perovskites solar cells, Nanoparticulate metal oxides, Thermal stability",

author = "Papadas, \{Ioannis T.\} and Fedros Galatopoulos and Armatas, \{Gerasimos S.\} and Nir Tessler and Choulis, \{Stelios A.\}",

note = "Publisher Copyright: {\textcopyright} 2019 by the authors. Licensee MDPI, Basel, Switzerland.",

year = "2019",

month = nov,

doi = "10.3390/nano9111616",

language = "الإنجليزيّة",

volume = "9",

journal = "Nanomaterials",

issn = "2079-4991",

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T1 - Nanoparticulate metal oxide top electrode interface modification improves the thermal stability of inverted perovskite photovoltaics

AU - Papadas, Ioannis T.

AU - Galatopoulos, Fedros

AU - Armatas, Gerasimos S.

AU - Tessler, Nir

AU - Choulis, Stelios A.

PY - 2019/11

Y1 - 2019/11

N2 - Solution processed γ-Fe2O3 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-Fe2O3 provides an alternative solution processed top electrode (PC(70)BM/γ-Fe2O3/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-Fe2O3/Al under accelerated heat lifetime conditions is attributed to the acidic surface nature of γ-Fe2O3 and reduced charge trapped density within PC(70)BM/ γ-Fe2O3/Al top electrode interfaces.

AB - Solution processed γ-Fe2O3 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-Fe2O3 provides an alternative solution processed top electrode (PC(70)BM/γ-Fe2O3/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-Fe2O3/Al under accelerated heat lifetime conditions is attributed to the acidic surface nature of γ-Fe2O3 and reduced charge trapped density within PC(70)BM/ γ-Fe2O3/Al top electrode interfaces.

KW - Accelerated lifetime

KW - Charge traps density

KW - Degradation mechanisms

KW - Electrodes

KW - Impedance spectroscopy

KW - Interfaces

KW - Inverted perovskites solar cells

KW - Nanoparticulate metal oxides

KW - Thermal stability

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U2 - 10.3390/nano9111616

DO - 10.3390/nano9111616

M3 - مقالة

SN - 2079-4991

VL - 9

JO - Nanomaterials

JF - Nanomaterials

IS - 11

M1 - 1616

ER -

Nanoparticulate metal oxide top electrode interface modification improves the thermal stability of inverted perovskite photovoltaics

Abstract

UN SDGs

Keywords

All Science Journal Classification (ASJC) codes

Access to Document

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