1994. Opća gimnazija Slatina

2000. Diplomirani inženjer kemije - Sveučilište u Zagrebu, PMF

2006. Doktor prirodnih znanosti, polje kemija - Sveučilište u Zagrebu, PMF

Nastajanje i svojstva 1D α-Fe₂O₃ nanostruktura dopiranih odabranim metalnim ionima (HRZZ IP-2016-06-8254)

N. Popov, S. Marijan, L. Pavić, S. Miljanić, K. Zadro, L. Kratofil Krehula, Z. Homonnay, E. Kuzmann, S. Kubuki. A. Ibrahim, S. Krehula*, Influence of Al³⁺ ions on the direct hydrothermal formation and properties of hematite (α-Fe₂O₃) nanorods, J. Alloys Compd. 1018 (2025) 179223. https://doi.org/10.1016/j.jallcom.2025.179223

L. Kratofil Krehula*, A. Peršić, N. Popov, S. Krehula, Novel Functional Polycaprolactone/Hematite Composites with Improved Mechanical, Thermal, UV-Protective and Barrier Properties, J. Compos. Sci. 8 (2024) 544. https://doi.org/10.3390/jcs8020073

L. Kratofil Krehula*, A. Peršić, N. Popov, S. Krehula, Polymer Composites of Low-Density Polyethylene (LDPE) with Elongated Hematite (α-Fe₂O₃) Particles of Different Shapes, J. Compos. Sci. 8 (2024) 73. https://doi.org/10.3390/jcs8020073

A. Peršić, N. Popov, L. Kratofil Krehula*, S. Krehula*, The Influence of Different Hematite (α-Fe₂O₃) Particles on the Thermal, Optical, Mechanical, and Barrier Properties of LDPE/Hematite Composites, Materials 16 (2023) 706. https://doi.org/10.3390/ma16020706

Ž. Petrović*, M. Ristić, M. Kraljić Roković, K. Zadro, E. Kuzmann, Z. Homonnay, S. Musić, S. Krehula*, Effects of Pt and Ru doping on the magnetic, optical, photoelectrochemical and photocatalytic properties of electrospun hematite (α-Fe₂O₃) fibres, Journal of Materials Research 38 (2023) 974‒989. https://doi.org/10.1557/s43578-022-00645-8

N. Popov, M. Ristić, V. Kuncser, K. Zadro, N. Velinov, P. Badica, A. Alexandru-Dinu, N. Iacob, L. Kratofil Krehula, S. Musić, S. Krehula*, Influence of erbium doping on the structural, magnetic and optical properties of hematite (α-Fe₂O₃) nanorods, Journal of Physics and Chemistry of Solids 169 (2022) 110857 https://doi.org/10.1016/j.jpcs.2022.110857

N. Popov, M. Ristić, M. Bošković, M. Perović, S. Musić, D. Stanković, S. Krehula*, Influence of Sn doping on the structural, magnetic, optical and photocatalytic properties of hematite (α-Fe₂O₃) nanoparticles, Journal of Physics and Chemistry of Solids 161 (2022) 110372. https://doi.org/10.1016/j.jpcs.2021.110372

N. Popov, M. Ristić, M. Robić, V. Gilja, L. Kratofil Krehula, S. Musić, S. Krehula*, Synthesis and properties of Sn‑doped α‑FeOOH nanoparticles, Chemical Papers 75 (2021) 6355–6366. https://doi.org/10.1007/s11696-021-01802-9

N. Popov, M. Bošković, M. Perović, K. Zadro, V. Gilja, L. Kratofil Krehula, M. Robić, M. Marciuš, M. Ristić, S. Musić, D. Stanković, S. Krehula*, Effect of Ru³⁺ ions on the formation, structural, magnetic and optical properties of hematite (α-Fe₂O₃) nanorods, Journal of Magnetism and Magnetic Materials 538 (2021) 168316. https://doi.org/10.1016/j.jmmm.2021.168316

N. Popov, M. Bošković, M. Perović, Z. Németh, J. Wang, Z. Kuang, M. Reissner, E. Kuzmann, Z. Homonnay, S. Kubuki, M. Marciuš, M. Ristić, S. Musić, D. Stanković, S. Krehula*, Influence of low-spin Co³⁺ for high-spin Fe³⁺ substitution on the structural, magnetic, optical and catalytic properties of hematite (α-Fe₂O₃) nanorods, Journal of Physics and Chemistry of Solids 152 (2021) 109929. https://doi.org/10.1016/j.jpcs.2020.109929

N. Popov, S. Krehula*, M. Ristić, E. Kuzmann, Z. Homonnay, M. Bošković, D. Stanković, S. Kubuki, S. Musić, Influence of Cr doping on the structural, magnetic, optical and photocatalytic properties of α-Fe₂O₃ nanorods, Journal of Physics and Chemistry of Solids 148 (2021) 109699. https://doi.org/10.1016/j.jpcs.2020.109699

S. Krehula*, M. Ristić, Ž. Petrović, L. Kratofil Krehula, I. Mitar, S. Musić, Effects of Cu doping on the microstructural, thermal, optical and photocatalytic properties of α-FeOOH and α-Fe₂O₃ 1D nanoparticles, Journal of Alloys and Compounds 802 (2019) 290–300. https://doi.org/10.1016/j.jallcom.2019.06.133

S. Krehula*, M. Ristić*, I. Mitar, C. Wu, X. Li, L. Jiang, J. Wang, G. Sun, T. Zhang, M. Perović, M. Bošković, B. Antić, S. Musić, Synthesis and Properties of Ni-doped Goethite and Ni-doped Hematite Nanorods, Croatica Chemica Acta 91 (2018) 389–401. https://doi.org/10.5562/cca3402

S. Krehula*, M. Ristić, C. Wu, X. Li, L. Jiang, J. Wang, G. Sun, T. Zhang, M. Perović, M. Bošković, B. Antić, L. Kratofil Krehula, B. Kobzi, S. Kubuki, S. Musić, Influence of Fe(III) doping on the crystal structure and properties of hydrothermally prepared β-Ni(OH)₂ nanostructures, J. Alloys and Compounds 750 (2018) 687–695. https://doi.org/10.1016/j.jallcom.2018.04.032

S. Krehula*, M. Ristić, M. Reissner, S. Kubuki, S. Musić, Synthesis and properties of indium-doped hematite, J. Alloys Compd. 695 (2017) 1900-1907. https://doi.org/10.1016/j.jallcom.2016.11.022

S. Krehula*, M. Ristić, S. Kubuki, Y. Iida, L. Kratofil Krehula, S. Musić, The effects of In³⁺ doping on the properties of precipitated goethite, Journal of Alloys and Compounds 658 (2016) 41-48. https://doi.org/10.1016/j.jallcom.2015.10.191

S. Krehula*, M. Ristić, S. Kubuki, Y. Iida, M. Perović, M. Fabián, S. Musić, Synthesis and microstructural properties of mixed iron–gallium oxides, Journal of Alloys and Compounds 634 (2015) 130–141. https://doi.org/10.1016/j.jallcom.2015.02.065

S. Krehula*, M. Ristić, S. Kubuki, Y. Iida, M. Fabián, S. Musić, The formation and microstructural properties of uniform α-GaOOH particles and their calcinations products, Journal of Alloys and Compounds 620 (2015) 217-227. https://doi.org/10.1016/j.jallcom.2014.09.134

S. Krehula*, L. Kratofil Krehula, S. Musić, Synthesis and microstructural properties of α-Fe_1-xGa_xOOH solid solutions, Journal of Alloys and Compounds 581 (2013) 335-343. https://doi.org/10.1016/j.jallcom.2013.07.076

S. Krehula*, G. Štefanić, K. Zadro, L. Kratofil Krehula, M. Marciuš, S. Musić, Synthesis and properties of iridium-doped hematite (α-Fe₂O₃), Journal of Alloys and Compounds 545 (2012) 200-209 https://doi.org/10.1016/j.jallcom.2012.08.009

S. Krehula*, S. Musić, The effect of iridium(III) ions on the formation of iron oxides in a highly alkaline medium, Journal of Alloys and Compounds 516 (2012) 207-216 https://doi.org/10.1016/j.jallcom.2011.12.052

Izvorni znanstveni rad

• Musić, Svetozar ; Ristić, Mira ; Krehula, Stjepko | 57Fe Mössbauer spectroscopy in the investigation of the precipitation of iron oxides // Mossbauer spectroscopy : applications in chemistry, biology, industry, and nanotechnology. | Hoboken (NJ): John Wiley & Sons, 2013. str. 470-504

  eu.wiley.com

Izvorni znanstveni rad

• Musić, Svetozar ; Krehula, Stjepko ; Popović, Stanko ; Skoko, Željko | Some factors influencing forced hydrolysis of FeCl3 solutions // Materials letters, 57 (2003), 5-6; 1096-1102. doi: 10.1016/S0167-577X(02)00937-0

  doiwww.sciencedirect.comdoi.org

• Krehula, Stjepko ; Popović, Stanko ; Musić, Svetozar | Synthesis of acicular a-FeOOH particles at a very high pH // Materials letters, 54 (2002), 2-3; 108-113. doi: 10.1016/S0167-577X(01)00546-8

  doiwww.sciencedirect.comdoi.org

• Preočanin, Tajana ; Krehula, Stjepko ; Kallay, Nikola | Enthalpy of Surface Reactions: Temperature Dependency of pH of Acidic or Basic Concetrated Hematite Suspension // Applied surface science, 196 (2002), 1–4; 392-400. doi: 10.1016/S0169-4332(02)00077-6

  doiwww.sciencedirect.comdoi.org

Diplomski rad (sveučilišni)

• Krehula, Stjepko | Određivanje entalpije površinskih reakcija masenom titracijom / Kallay, Nikola (mentor); Preočanin, Tajana (neposredni voditelj) . | Zagreb, Prirodoslovno-matematički fakultet, Zagreb, 2000

Doktorski rad

• Popov, Nina | Utjecaji kationa metala na nastajanje, strukturu i svojstva nanočestica hematita / Krehula, Stjepko (mentor). | Zagreb, Prirodoslovno-matematički fakultet, Zagreb, 2022

  repozitorij.pmf.unizg.hr

• Krehula, Stjepko | Sinteza i mikrostrukturna svojstva željezovih oksihidroksida i oksida / Musić, Svetozar (mentor). | Zagreb, Prirodoslovno-matematički fakultet, Zagreb, 2006