-
Faculty of Arts and HumanitiesDean's Office, Faculty of Arts and HumanitiesJakobi 2, r 116-121 51005 Tartu linn, Tartu linn, Tartumaa EST0Institute of History and ArchaeologyJakobi 2 51005 Tartu linn, Tartu linn, Tartumaa EST0Institute of Estonian and General LinguisticsJakobi 2, IV korrus 51005 Tartu linn, Tartu linn, Tartumaa EST0Institute of Philosophy and SemioticsJakobi 2, III korrus, ruumid 302-337 51005 Tartu linn, Tartu linn, Tartumaa EST0Institute of Cultural ResearchÜlikooli 16 51003 Tartu linn, Tartu linn, Tartumaa EST0Institute of Foreign Languages and CulturesLossi 3 51003 Tartu linn, Tartu linn, Tartumaa EST0School of Theology and Religious StudiesÜlikooli 18 50090 Tartu linn, Tartu linn, Tartumaa EST0Viljandi Culture AcademyPosti 1 71004 Viljandi linn, Viljandimaa EST0Professors emeriti, Faculty of Arts and Humanities0Associate Professors emeriti, Faculty of Arts and Humanities0Faculty of Social SciencesDean's Office, Faculty of Social SciencesLossi 36 51003 Tartu linn, Tartu linn, Tartumaa EST0Institute of EducationJakobi 5 51005 Tartu linn, Tartu linn, Tartumaa EST0Johan Skytte Institute of Political StudiesLossi 36, ruum 301 51003 Tartu linn, Tartu linn, Tartumaa EST0School of Economics and Business AdministrationNarva mnt 18 51009 Tartu linn, Tartu linn, Tartumaa EST0Institute of PsychologyNäituse 2 50409 Tartu linn, Tartu linn, Tartumaa EST0School of LawNäituse 20 - 324 50409 Tartu linn, Tartu linn, Tartumaa EST0Institute of Social StudiesLossi 36 51003 Tartu linn, Tartu linn, Tartumaa EST0Narva CollegeRaekoja plats 2 20307 Narva linn, Ida-Virumaa EST0Pärnu CollegeRingi 35 80012 Pärnu linn, Pärnu linn, Pärnumaa EST0Professors emeriti, Faculty of Social Sciences0Associate Professors emeriti, Faculty of Social Sciences0Faculty of MedicineDean's Office, Faculty of MedicineRavila 19 50411 Tartu linn, Tartu linn, Tartumaa ESTInstitute of Biomedicine and Translational MedicineBiomeedikum, Ravila 19 50411 Tartu linn, Tartu linn, Tartumaa ESTInstitute of PharmacyNooruse 1 50411 Tartu linn, Tartu linn, Tartumaa ESTInstitute of DentistryL. Puusepa 1a 50406 Tartu linn, Tartu linn, Tartumaa ESTInstitute of Clinical MedicineL. Puusepa 8 50406 Tartu linn, Tartu linn, Tartumaa ESTInstitute of Family Medicine and Public HealthRavila 19 50411 Tartu linn, Tartu linn, Tartumaa ESTInstitute of Sport Sciences and PhysiotherapyUjula 4 51008 Tartu linn, Tartu linn, Tartumaa ESTProfessors emeriti, Faculty of Medicine0Associate Professors emeriti, Faculty of Medicine0Faculty of Science and TechnologyDean's Office, Faculty of Science and TechnologyVanemuise 46 - 208 51003 Tartu linn, Tartu linn, Tartumaa ESTInstitute of Computer ScienceNarva mnt 18 51009 Tartu linn, Tartu linn, Tartumaa ESTInstitute of GenomicsRiia 23b/2 51010 Tartu linn, Tartu linn, Tartumaa ESTEstonian Marine Institute0Institute of PhysicsInstitute of ChemistryRavila 14a 50411 Tartu linn, Tartu linn, Tartumaa EST0Institute of Mathematics and StatisticsNarva mnt 18 51009 Tartu linn, Tartu linn, Tartumaa EST0Institute of Molecular and Cell BiologyRiia 23, 23b - 134 51010 Tartu linn, Tartu linn, Tartumaa ESTTartu ObservatoryObservatooriumi 1 61602 Tõravere alevik, Nõo vald, Tartumaa EST0Institute of TechnologyNooruse 1 50411 Tartu linn, Tartu linn, Tartumaa ESTInstitute of Ecology and Earth SciencesJ. Liivi tn 2 50409 Tartu linn, Tartu linn, Tartumaa ESTProfessors emeriti, Faculty of Science and Technology0Associate Professors emeriti, Faculty of Science and Technology0Institute of BioengineeringArea of Academic SecretaryHuman Resources OfficeUppsala 6, Lossi 36 51003 Tartu linn, Tartu linn, Tartumaa EST0Area of Head of FinanceFinance Office0Area of Director of AdministrationInformation Technology Office0Administrative OfficeÜlikooli 17 (III korrus) 51005 Tartu linn, Tartu linn, Tartumaa EST0Estates Office0Marketing and Communication OfficeÜlikooli 18, ruumid 102, 104, 209, 210 50090 Tartu linn, Tartu linn, Tartumaa EST0Area of RectorRector's Strategy OfficeInternal Audit OfficeArea of Vice Rector for Academic AffairsOffice of Academic AffairsUniversity of Tartu Youth AcademyUppsala 10 51003 Tartu linn, Tartu linn, Tartumaa EST0Student Union OfficeÜlikooli 18b 51005 Tartu linn, Tartu linn, Tartumaa EST0Centre for Learning and TeachingArea of Vice Rector for ResearchUniversity of Tartu LibraryW. Struve 1 50091 Tartu linn, Tartu linn, Tartumaa EST0Grant OfficeArea of Vice Rector for DevelopmentCentre for Entrepreneurship and InnovationNarva mnt 18 51009 Tartu linn, Tartu linn, Tartumaa EST0University of Tartu Natural History Museum and Botanical GardenVanemuise 46 51003 Tartu linn, Tartu linn, Tartumaa EST0International Cooperation and Protocol Office0University of Tartu MuseumLossi 25 51003 Tartu linn, Tartu linn, Tartumaa EST0
Author:
Martin Timusk
Research group of material technologies
19.09.2022
Martin Timusk
Research Group of Material Technologies
Associate professor in material science
W.Ostwaldi 1-C301
Scientific- and technological competence
Our research covers the development of oxide materials with different morphologies (incl. micro,- meso- and macroporous oxide foams), biodegradable polymers, functional hydrogels and electro-optical composite materials. Additionally, we have an ongoing project for developing novel plant growth substrates. We work with biogenic materials, both from animal and plant origin (gelatin, cellulose, chitosan, etc.). Chemical, physical and morphological modification of bio-based substances can be used to make various shape materials (fibrous nonwovens, sponges, foams, coatings, etc.) that can have applications ranging from medical implants to agriculture.
Some examples of the developed materials
- A novel type of fuel tablet that consists of silicon oxide (sand) and an alcohol that is trapped in the nanopores of an oxide. This material burns cleanly, exhibits high heat of combustion, is easy to ignite and can be used for heating food and water during camping and for fast and efficient lighting of a campfire or barbecue. Lab-scale development finished, TRL 6-7. Patent pending.
Image
- We have developed a number of novel methods for preparing meso- and macroporous oxide materials with different morphologies that exhibit density, thermal conductivity and porosity similar to aerogels – two distinctly different methods for coating surfaces with porous oxide layers (opened and closed porosity), novel method for preparing silicone foams and a novel fast and simple method for preparing silica aerogel granules (patent pending).
Image
- Electrospun gelatin fiber mats. Gelatin can be stabilized by using different methods, in order to obtain non water-soluble material. Fiber mats can be obtained from gelatin by using electrospinning method. The obtained material appears similar to paper or cotton wool, has similar microstructure as animal tissue and stabilized gelatin mats are usable in biomedicine as cell growth substrates.
Image
- Nanowire suspensions that change optical properties in the electric field.
Image
|
Image
| Martin Timusk E-mail: martin.timusk@ut.ee |
|
Image
| Fredrik Punga E-mail: fredrik.punga@ut.ee |
ERA-NET (RUS Plus) project " Bioresorbable implantable triboelectric nanogenerator devices (1.01.2021−31.12.2022)" SLTFY21097T.
Smart specialization (NSP) project " New cost-effective concepts for Click & Grow indoor gardens (1.03.2020−31.08.2022)" LLTFY20282.
Centre of excellence project "Zero energy and resource efficient smart buildings and districts (TK146) (1.01.2016−1.03.2023)" SLTFY16146T.
Start-up grant (PSG) " New aerogel-like oxide foam materials (1.01.2018−31.03.2021)" PSG70.
Some scientific publications
- M. Timusk, I.A. Nigol, S. Vlassov, S. Oras, T. Kangur, A. Linarts, A. Šutka, Low-density PDMS foams by controlled destabilization of thixotropic emulsions. Journal of Colloid and Interface Science, 626 (2022) 265-275.
- M. Timusk, T. Kangur, J. Locs, A. Šutka, M. Järvekülg, Aerogel-like silica powders by combustion of sol-gel derived alcogels, Microporous Mesoporous Mater. 315 (2021).
- M. Timusk, T. Kangur, M. Visnapuu, S. Pikker, A. Šutka, M. Järvekülg, Deposition of low-density thick silica films from burning sol-gel derived alcogels, Heliyon. 7 (2021).
- P.C. Sherrell, A. Šutka, N.A. Shepelin, L. Lapcinskis, O. Verners, L. Germane, M. Timusk, R.A. Fenati, K. Malnieks, A. V. Ellis, Probing Contact Electrification: A Cohesively Sticky Problem, ACS Appl. Mater. Interfaces. 13 (2021) 44935–44947.
- Šutka, K. Mālnieks, A. Linarts, L. Lapčinskis, O. Verners, M. Timusk, Triboelectric Laminates with Volumetric Electromechanical Response for Mechanical Energy Harvesting, Adv. Mater. Technol. 6 (2021) 1–6.
- N. Babayevska, Ł. Przysiecka, G. Nowaczyk, M. Jarek, M. Järvekülg, T. Kangur, E. Janiszewska, S. Jurga, I. Iatsunskyi, Fabrication of gelatin-zno nanofibers for antibacterial applications, Materials (Basel). 14 (2021) 1–12.
- M. Klaas, K. Möll, K. Mäemets-Allas, M. Loog, M. Järvekülg, V. Jaks, Long-term maintenance of functional primary human hepatocytes in 3D gelatin matrices produced by solution blow spinning, Scientific Reports, 11 (2021) 20165.
- A. Šutka, K. Mālnieks, L. Lapčinskis, M. Timusk, K. Kalniņš, A. Kovaļovs, J. Bitenieks, M. Knite, D. Stevens, J. Grunlan, Contact electrification between identical polymers as the basis for triboelectric/flexoelectric materials, Phys. Chem. Chem. Phys. 22 (2020) 13299–13305.
- L. Lapčinskis, K. Mālnieks, J. Blūms, M. Knite, S. Oras, T. Käämbre, S. Vlassov, M. Antsov, M. Timusk, A. Šutka, The Adhesion-Enhanced Contact Electrification and Efficiency of Triboelectric Nanogenerators, Macromol. Mater. Eng. 305 (2020) 1–5.
- A. Šutka, K. Malnieks, A. Linarts, M. Timusk, V. Jurķans, I. Gorņevs, J. Blums, A. Berziņa, U. Joost, M. Knite, Inversely polarised ferroelectric polymer contact electrodes for triboelectric-like generators from identical materials, Energy Environ. Sci. 11 (2018) 1437–1443.
- J. Metsik, M. Timusk, A. Šutka, M. Mooste, K. Tammeveski, U. Mäeorg, In situ investigation of poly(3,4-ethylenedioxythiophene) film growth during liquid phase deposition polymerization, Thin Solid Films. 653 (2018).
- T. Kangur, V. Kiisk, A. Loot, M. Timusk, M. Järvekülg, Optical functionality of micro- and nanostructured silica surfaces prepared by a sol-gel phase separation method, Thin Solid Films. 622 (2017).
- M. Timusk, A. Kuus, K. Utt, T. Kangur, A. Šutka, M. Järvekülg, M. Knite, Thick silica foam films through combined catalytic decomposition of H2O2 and sol–gel processes, Mater. Des. 111 (2016) 80–87.
- A. Šutka, M. Timusk, A. Loot, U. Joost, T. Käämbre, Polarizable Nanowire Colloids for Power Free Naked Eye Optical Detection of Electrostatic Surface Charges, Adv. Mater. Technol. 1 (2016).
- J. Metsik, K. Saal, U. Mäeorg, R. Lõhmus, S. Leinberg, H. Mändar, M. Kodu, M. Timusk, Growth of poly(3,4-ethylenedioxythiophene) films prepared by base-inhibited vapor phase polymerization, J. Polym. Sci. Part B Polym. Phys. 52 (2014).
Combustion of sol-gel derived alcogels offers a novel route for preparation of aerogel-like oxide foams.
Scientists from the University of Tartu made static electric charge visible.
https://novaator.err.ee/259860/tartu-teadlased-muutsid-staatilise-elektri-paljale-silmale-nahtavaks
Seeing static with zinc oxide nanowires.
https://cen.acs.org/articles/94/i45/Seeing-static-zinc-oxide-nanowires.html