Correlated Metals Transparent Conductors with High UV to Visible Transparency on Amorphous Substrates

Abstract Correlated metals with high carrier density and strongly correlated electron effects provide an alternative route to achieve transparent conducting materials, different from the conventional degenerately doped wide‐bandgap transparent conducting oxides (TCO). The extremely low electrical re...

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Main Authors: Phu Tran Phong Le, Shu Ni, Pierre‐Alexis Repecaud, Emma van derMinne, Karin J. H. Van Den Nieuwenhuijzen, Minh Duc Nguyen, Johan E. ten Elshof, Monica Morales‐Masis, Gertjan Koster
Format: Article
Language:English
Published: Wiley-VCH 2023-01-01
Series:Advanced Materials Interfaces
Subjects:
Online Access:https://doi.org/10.1002/admi.202201335
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author Phu Tran Phong Le
Shu Ni
Pierre‐Alexis Repecaud
Emma van derMinne
Karin J. H. Van Den Nieuwenhuijzen
Minh Duc Nguyen
Johan E. ten Elshof
Monica Morales‐Masis
Gertjan Koster
author_facet Phu Tran Phong Le
Shu Ni
Pierre‐Alexis Repecaud
Emma van derMinne
Karin J. H. Van Den Nieuwenhuijzen
Minh Duc Nguyen
Johan E. ten Elshof
Monica Morales‐Masis
Gertjan Koster
author_sort Phu Tran Phong Le
collection DOAJ
description Abstract Correlated metals with high carrier density and strongly correlated electron effects provide an alternative route to achieve transparent conducting materials, different from the conventional degenerately doped wide‐bandgap transparent conducting oxides (TCO). The extremely low electrical resistivity and high optical transparency in the ultraviolet‐visible spectral range shown in 4d correlated metals present an advantage over conventional TCOs. However, most of the 4d correlated metals are grown epitaxially on single crystal substrates. Here, it has been shown that Ca2Nb3O10 nanosheets with different buffer layers promote the growth of high‐quality 4d2 SrMoO3 films on fused silica substrates, overcoming the use of expensive and size‐limited single‐crystal substrates. The room temperature electrical resistivity of SrMoO3 is as low as 61 µΩ cm, the lowest reported value on amorphous transparent substrates to date, without compromising its high optical transmittance. 4d1 correlated metal SrNbO3 on Ca2Nb3O10 nanosheets also exhibits similarly high optical transmittance but a higher room temperature resistivity of 174 µΩ cm. These findings facilitate the use of highly conducting and transparent 4d correlated metals not only as TCOs on technologically relevant substrates for the applications in the ultraviolet‐visible spectral range but also as electrodes for other oxide‐based thin film technologies.
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spelling doaj.art-d0960eadbc924b9189142dfd4a1073d52023-07-26T01:40:29ZengWiley-VCHAdvanced Materials Interfaces2196-73502023-01-01101n/an/a10.1002/admi.202201335Correlated Metals Transparent Conductors with High UV to Visible Transparency on Amorphous SubstratesPhu Tran Phong Le0Shu Ni1Pierre‐Alexis Repecaud2Emma van derMinne3Karin J. H. Van Den Nieuwenhuijzen4Minh Duc Nguyen5Johan E. ten Elshof6Monica Morales‐Masis7Gertjan Koster8MESA+ Institute for Nanotechnology University of Twente Enschede PO Box 217 The NetherlandsMESA+ Institute for Nanotechnology University of Twente Enschede PO Box 217 The NetherlandsMESA+ Institute for Nanotechnology University of Twente Enschede PO Box 217 The NetherlandsMESA+ Institute for Nanotechnology University of Twente Enschede PO Box 217 The NetherlandsMESA+ Institute for Nanotechnology University of Twente Enschede PO Box 217 The NetherlandsMESA+ Institute for Nanotechnology University of Twente Enschede PO Box 217 The NetherlandsMESA+ Institute for Nanotechnology University of Twente Enschede PO Box 217 The NetherlandsMESA+ Institute for Nanotechnology University of Twente Enschede PO Box 217 The NetherlandsMESA+ Institute for Nanotechnology University of Twente Enschede PO Box 217 The NetherlandsAbstract Correlated metals with high carrier density and strongly correlated electron effects provide an alternative route to achieve transparent conducting materials, different from the conventional degenerately doped wide‐bandgap transparent conducting oxides (TCO). The extremely low electrical resistivity and high optical transparency in the ultraviolet‐visible spectral range shown in 4d correlated metals present an advantage over conventional TCOs. However, most of the 4d correlated metals are grown epitaxially on single crystal substrates. Here, it has been shown that Ca2Nb3O10 nanosheets with different buffer layers promote the growth of high‐quality 4d2 SrMoO3 films on fused silica substrates, overcoming the use of expensive and size‐limited single‐crystal substrates. The room temperature electrical resistivity of SrMoO3 is as low as 61 µΩ cm, the lowest reported value on amorphous transparent substrates to date, without compromising its high optical transmittance. 4d1 correlated metal SrNbO3 on Ca2Nb3O10 nanosheets also exhibits similarly high optical transmittance but a higher room temperature resistivity of 174 µΩ cm. These findings facilitate the use of highly conducting and transparent 4d correlated metals not only as TCOs on technologically relevant substrates for the applications in the ultraviolet‐visible spectral range but also as electrodes for other oxide‐based thin film technologies.https://doi.org/10.1002/admi.202201335amorphous substratescorrelated metalsnanosheetsperovskitestransparent conducting oxidesUV transparent conductors
spellingShingle Phu Tran Phong Le
Shu Ni
Pierre‐Alexis Repecaud
Emma van derMinne
Karin J. H. Van Den Nieuwenhuijzen
Minh Duc Nguyen
Johan E. ten Elshof
Monica Morales‐Masis
Gertjan Koster
Correlated Metals Transparent Conductors with High UV to Visible Transparency on Amorphous Substrates
Advanced Materials Interfaces
amorphous substrates
correlated metals
nanosheets
perovskites
transparent conducting oxides
UV transparent conductors
title Correlated Metals Transparent Conductors with High UV to Visible Transparency on Amorphous Substrates
title_full Correlated Metals Transparent Conductors with High UV to Visible Transparency on Amorphous Substrates
title_fullStr Correlated Metals Transparent Conductors with High UV to Visible Transparency on Amorphous Substrates
title_full_unstemmed Correlated Metals Transparent Conductors with High UV to Visible Transparency on Amorphous Substrates
title_short Correlated Metals Transparent Conductors with High UV to Visible Transparency on Amorphous Substrates
title_sort correlated metals transparent conductors with high uv to visible transparency on amorphous substrates
topic amorphous substrates
correlated metals
nanosheets
perovskites
transparent conducting oxides
UV transparent conductors
url https://doi.org/10.1002/admi.202201335
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