Dr. Bastian Welte

UMTEC Institut für Umwelt- und VerfahrenstechnikProjektleiter

+41 58 257 43 91bastian.welte@ost.ch

Beruflicher Abschluss

  • Dr. rer. nat. Nanoscience, Universität Konstanz, Konstanz

Fachliche Schwerpunkte

  • Luftreinhaltung
  • VOC Volatile Organic Compounds
  • Materialwissenschaften
  • Plasma
  • Industrialisierung
  • Halbleiter
  • Silikate

Aktuelle Projekte

  • NTPlasma (BAFU)
  • SiCPlasma (BFE)


  • Borgschulte, Sambalova, Billeter, Sterzi, Niggli, Welte, Heel, Holzner (2021) Cataluminescence in Er-Substituted Perovskites, in: Advanced Science Nr. 2101764, https://doi.org/10.1002/advs.202101764
  • Kalb, J.; Folger, A.; Zimmermann, E.; Gerigk, M.; Trepka (Welte), B.; Scheu, C.; Polarz, S.; Schmidt-Mende, L. (2019) Controlling the density of hydrothermally grown rutile TiO2 nanorods on anatase TiO2 films., in: Surfaces and Interfaces . https://doi.org/10.1016/j.surfin.2019.02.010
  • Sutter, S.; Trepka (Welte), B.; Siroky, S.; Hagedorn, K.; Theiß, S.; Baum, P.; Polarz, S. (2019) Light-Triggered Boost of Activity of Catalytic Bola-Type Surfactants by a Plasmonic Metal-Support Interaction Effect., in: ACS Applied Materials & Interfaces. https://doi.org/10.1021%2Facsami.9b03727
  • Donner, A.; Trepka (Welte), B.; Theiss, S.; Immler, F.; Traber, J.; Polarz, S (2019) NHC-Metallosurfactants as Active Polymerization , in: Langmuir. https://doi.org/10.1021/acs.langmuir.9b02152
  • Trepka (Welte), B.; Emminger, Y.; Schneider, N.; Schlötter, M.; Theiß, S.; Wimmer, I.; Fonin, M.; Polarz, S. (2019) Sacrificial Templating: A Route to Europium-II Oxide (EuO) Particles with Arbitrary Shape Prepared Indirectly by Hostile Takeover, in: Crystal Growth & Design. https://doi.org/10.1021/acs.cgd.9b00443
  • Trepka (Welte), B.; Stiegeler, J.; Wimmer, I.; Fonin, M.; Polarz, S. (2018) EurOgels: A Ferromagnetic Semiconductor with Porous Structure Prepared via the Assembly of Hybrid Nanorods., in: Nanoscale. https://doi.org/10.1039/C8NR06536E
  • Kalb, J.: Dorman, J. A.; Gerik, M.; Knittel, V.; Plüisch, C. S.; Trepka (Welte), B.; Lehr, D.; Wittemann, A.; Polarz, S.; Schmidt-Mende, L. (2018) Influence of substrates and rutile seed layers on the assembly of hydrothermally grown rutile TiO2 nanorod arrays. , in: Journal of Crystal Growth . https://doi.org/10.1016/j.jcrysgro.2018.05.004
  • Trepka (Welte), B.; Erler, P.; Selzer, S.; Kollek, T.; Boldt, K.; Fonin, M.; Nowak, U.; Wolf, D.; Lubk, A.; Polarz, S. (2017) Nanomorphology Effects in Semiconductors with Native Ferromagnetism: Hierarchical Europium (II) Oxide Tubes Prepared via a Topotactic Nanostructure Transition. , in: Advanced Materials. https://doi.org/10.1002/adma.201703612
  • Liu, Y.; Claes, N.; Trepka (Welte), B.; Bals, S.; Lang, P. R. (2016) A combined 3D and 2D light scattering study on aqueous colloidal model systems with tunable interactions. , in: Soft Matter . https://doi.org/10.1039/C6SM01376G
  • Gehring, J.; Trepka (Welte), B.; Klinkenberg, N.; Bronner, H.; Schleheck, D.; Polarz, S. (2016) Sunlight-Triggered Nanoparticle Synergy: Teamwork of Reactive Oxygen Species and Nitric Oxide Released from Mesoporous Organosilica with Advanced Antibacterial Activity. , in: Journal of American Chemical Society. https://doi.org/10.1021/jacs.5b12073
  • Gehring, J.; Schleheck, D.; Trepka (Welte), B.; Polarz, S. (2015) Mesoporous Organosilica Nanoparticles Containing Superacid and Click Functionalities Leading to Cooperativity in Biocidal Coatings. , in: ACS Applied Materials & Interfaces. https://doi.org/10.1021/am5083057