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Article

Structural, Optical and Electrical Properties of Al+MoO3 and Au+MoO3 Thin Films Prepared by Magnetron Codeposition

1
Ruđer Bošković Institute, Bijenička Cesta 54, 10000 Zagreb, Croatia
2
Physics Department, University of Zagreb, Bijenička Cesta 46, 10000 Zagreb, Croatia
3
Elettra-Sincrotrone S.C.p.A., Strada Statale 14 km 163.5 in AREA Science Park, Basovizza, 34149 Trieste, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Joe Sakai
Materials 2021, 14(4), 766; https://doi.org/10.3390/ma14040766
Received: 31 December 2020 / Revised: 24 January 2021 / Accepted: 2 February 2021 / Published: 6 February 2021
Structural, optical and electrical properties of Al+MoO3 and Au+MoO3 thin films prepared by simultaneous magnetron sputtering deposition were investigated. The influence of MoO3 sputtering power on the Al and Au nanoparticle formation and spatial distribution was explored. We demonstrated the formation of spatially arranged Au nanoparticles in the MoO3 matrix, while Al incorporates in the MoO3 matrix without nanoparticle formation. The dependence of the Au nanoparticle size and arrangement on the MoO3 sputtering power was established. The Al-based films show a decrease of overall absorption with an Al content increase, while the Au-based films have the opposite trend. The transport properties of the investigated films also are completely different. The resistivity of the Al-based films increases with the Al content, while it decreases with the Au content increase. The reason is a different transport mechanism that occurs in the films due to their different structural properties. The choice of the incorporated material (Al or Au) and its volume percentage in the MoO3 matrix enables the design of materials with desirable optical and electrical characteristics for a variety of applications. View Full-Text
Keywords: gold; aluminum; molybdenum trioxide; nanoparticles; GISAXS; electrical resistivity gold; aluminum; molybdenum trioxide; nanoparticles; GISAXS; electrical resistivity
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MDPI and ACS Style

Car, T.; Jakovac, I.; Šarić, I.; Bernstorff, S.; Micetic, M. Structural, Optical and Electrical Properties of Al+MoO3 and Au+MoO3 Thin Films Prepared by Magnetron Codeposition. Materials 2021, 14, 766. https://doi.org/10.3390/ma14040766

AMA Style

Car T, Jakovac I, Šarić I, Bernstorff S, Micetic M. Structural, Optical and Electrical Properties of Al+MoO3 and Au+MoO3 Thin Films Prepared by Magnetron Codeposition. Materials. 2021; 14(4):766. https://doi.org/10.3390/ma14040766

Chicago/Turabian Style

Car, Tihomir, Ivan Jakovac, Ivana Šarić, Sigrid Bernstorff, and Maja Micetic. 2021. "Structural, Optical and Electrical Properties of Al+MoO3 and Au+MoO3 Thin Films Prepared by Magnetron Codeposition" Materials 14, no. 4: 766. https://doi.org/10.3390/ma14040766

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