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YCN Newsletter 29 - Research in Spot - Matejka Podlogar
Crystal Growth of ZnO and Its Role in Environmental Remediation
As a chemistry student, I started my research career at the Jožef Stefan Institute, where I worked on ZnO-based varistor ceramics. This early experience sparked my long-term interest in ZnO, which I later explored using solution synthesis routes to create nanoscale materials with tunable morphologies.
During my PhD studies, I systematically investigated the hydrothermal growth of ZnO and identified key parameters that influence whether uniform powders are formed or the material develops abnormal crystal morphologies (link Ceramics International). This fundamental understanding of nucleation and growth allowed me to form transparent and conductive ZnO thin films on glass following the SCOG growth mechanism. The resulting smooth, dense and (0001)-oriented polycrystalline layers exhibited structural and functional properties required for transparent electrodes (link Advanced Functional Materials).
Currently, my research focuses on the design and evaluation of advanced photocatalysts for environmental remediation, with a focus on ZnO and TiO₂-based materials. We synthesize photocatalysts in powder and film forms, and even 3D printed ceramics, to study their ability to degrade a variety of waterborne pollutants, including methylene blue (link MB), caffeine (link CAFF), and even microplastics. A key part of our work is the comprehensive characterization of the catalysts themselves and their degradation products using a combination of structural, chemical, and morphological techniques (link MP). These analytical approaches also support our broader efforts to track microplastic contamination in natural samples, for example, our recent study that identified microplastics in hailstones (link STOTEN).
In my research work, I try to connect fundamental material design with practical performance in real systems. We focus on the synthesis and characterization of photocatalysts aimed at enabling cleaner water solutions in the future. Alongside fundamental studies, we collaborate closely with industry to address real-world challenges related to input materials, processing and packaging. This understanding of industry problems ensures that the developed materials are not only scientifically sound but also relevant and applicable to practical environmental problems.
link Ceramics International: https://www.sciencedirect.com/science/article/pii/S0272884216310240?via%3Dihub
link Advanced Functional Materials: https://advanced.onlinelibrary.wiley.com/doi/10.1002/adfm.201200214
link MB
https://www.sciencedirect.com/science/article/pii/S246802302501822X
link CAFF
https://www.sciencedirect.com/science/article/pii/S0272884224018108?via%3Dihub
link MP
https://www.sciencedirect.com/science/article/pii/S2468023025010375?via%3Dihub
link STOTEN … https://www.sciencedirect.com/science/article/pii/S0048969722058855?via%3Dihub
Matejka Podlogar
Affiliation:
Department for Nanostructured Materials, Jožef Stefan Institute
Country:
Ljubljana, Slovenia
E-mail:
matejka.podlogar@ijs.si
LinkedIn Profile:
https://www.linkedin.com/in/matejka-podlogar-9ba37b84/
https://scholar.google.com/citations?hl=en&user=dfs500UAAAAJ&view_op=list_works&sortby=pubdate
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YCN Newsletter 29 - First YCN Video Competition
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