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Tailoring Optical Properties in Transparent Highly Conducting Perovskites by Cationic Substitution

Mohammadi, Mahdad ; Xie, Ruiwen ; Hadaeghi, Niloofar ; Radetinac, Aldin ; Arzumanov, Alexey ; Komissinskiy, Philipp ; Zhang, Hongbin ; Alff, Lambert (2023)
Tailoring Optical Properties in Transparent Highly Conducting Perovskites by Cationic Substitution.
In: Advanced Materials, 2023, 35 (7)
doi: 10.26083/tuprints-00023712
Article, Secondary publication, Publisher's Version

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Item Type: Article
Type of entry: Secondary publication
Title: Tailoring Optical Properties in Transparent Highly Conducting Perovskites by Cationic Substitution
Language: English
Date: 12 May 2023
Place of Publication: Darmstadt
Year of primary publication: 2023
Publisher: Wiley-VCH
Journal or Publication Title: Advanced Materials
Volume of the journal: 35
Issue Number: 7
Collation: 9 Seiten
DOI: 10.26083/tuprints-00023712
Corresponding Links:
Origin: Secondary publication DeepGreen
Abstract:

SrMoO₃, SrNbO₃, and SrVO₃ are remarkable highly conducting d¹ (V, Nb) or d² (Mo) perovskite metals with an intrinsically high transparency in the visible. A key scientific question is how the optical properties of these materials can be manipulated to make them suitable for applications as transparent electrodes and in plasmonics. Here, it is shown how 3d/4d cationic substitution in perovskites tailors the relevant materials parameters, i.e., optical transition energy and plasma frequency. With the example of the solid‐state solution SrV₁₋ₓMoₓO₃, it is shown that the absorption and reflection edges can be shifted to the edges of the visible light spectrum, resulting in a material that has the potential to outperform indium tin oxide (ITO) due to its extremely low sheet resistance. An optimum for x = 0.5, where a resistivity of 32 µΩ cm (≈12 Ω sq⁻¹) is paired with a transmittance above 84% in the whole visible spectrum is found. Quantitative comparison between experiments and electronic structure calculations show that the shift of the plasma frequency is governed by the interplay of d‐band filling and electronic correlations. This study advances the knowledge about the peculiar class of highly conducting perovskites toward sustainable transparent conductors and emergent plasmonics.

Uncontrolled Keywords: correlated metals, perovskites, SrMoO₃, SrVO₃, transparent conducting oxides
Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-237125
Classification DDC: 600 Technology, medicine, applied sciences > 660 Chemical engineering
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Advanced Thin Film Technology
11 Department of Materials and Earth Sciences > Material Science > Theory of Magnetic Materials
Date Deposited: 12 May 2023 08:23
Last Modified: 14 Nov 2023 19:05
SWORD Depositor: Deep Green
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/23712
PPN: 509444873
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