Hellen defends her thesis on Friday

MSc Hellen Santos will have her doctoral dissertation on Friday 15th of December at at 12 o’clock in the lecture hall Arcanum 1.

The title of the thesis is “Halogen hectorites: Smectites designed to luminesce” and concerns design and preparation of these synthetic clay minerals and the studies how they could be used as optical materials.

Väitöstiedote (in Finnish)
Thesis (in Doria)

New publications

For the end of the year, a set of publications and patents about different luminescent materials and their properties.

Santos, H.S., Norrbo, I., Laihinen, T., Sinkkonen, J., Mäkilä, E., Carvalho, J.M., Damlin, P., Brito, H.F., Hölsä, J., and Lastusaari, M., “Synthesis and Features of Luminescent Bromo- and Iodohectorite Nanoclay Materials”, Appl. Sci. 7 (2017) 1243.
Read online: http://dx.doi.org/10.3390/app7121243

Lastusaari, M. and Norrbo, I., “Luminescent Material”, WO 2017/194825 A1.

Lastusaari, M. and Norrbo, I., “Synthetic Material for Detecting Ultraviolet Radiation and/or X-radiation”, WO 2017/194834 A1.

Mäkelä, J., Tuominen, M., Dahl, J., Granroth, S., Yasir, M., Lehtiö, J-P., Uusitalo, R-R., Kuzmin, M., Punkkinen, M., Laukkanen, P., Kokko, K., Félix, R., Lastusaari, M., Polojärvi, V., Lyytikäinen, J., Tukiainen, A., and Guina, M., “Decreasing Defect-State Density of Al2O3/GaxIn1−xAs Device Interfaces with InOx Structures”, Adv. Mater. Interfaces 4 (2017) 1700722.
Read online: http://dx.doi.org/10.1002/admi.201700722

Isabella & Minnea @ Shift 2017 conference

Isabella and Minnea are at the Shift 2017 conference in Tenerife, Spain presenting their research topics (conference WWW). The conference and its name are referring to spectral shaping of light and the topics range from applications in energy and photochemistry to biomedical applications.

Go check the “Yb,Er up-conversion luminescence from molecular hybrid thin films prepared by ALD/MLD” poster by Minnea and “The use of synthetic hackmanites in storing UV radiation and X-rays” poster by Isabella.

New publication about oxovanadium complexes

Check out the latest short communication about the oxovanadium complexes and their use in oxidation catalysts.

Salonen, P., Peuronen, A., and Lehtonen, A., “Oxidovanadium(V) amine bisphenolates as epoxidation, sulfoxidation and catechol oxidation catalysts”, Inorg. Chem. Commun. 86 (2017) 165-167.
Read online: http://dx.doi.org/10.1016/j.inoche.2017.10.017

New collaboration publication about bioactive luminescent glasses

Check out a new collaboration publication about bioactive glasses with persistent luminescence. Funnily enough, it is also the first publication of the year 2018. :)

Saarinen, M., Nommeots-Nomm, A., Hokka, M., Laurila, J., Norrbo, I., Lastusaari, M., Massera, J., and L. Petit, ”Persistent luminescent particles containing bioactive glasses: Prospect toward tracking in-vivo implant mineralization using biophotonic ceramics”, ‎J. Eur. Ceram. Soc 38 (2018) 287-295.
Read online: http://dx.doi.org/10.1016/j.jeurceramsoc.2017.08.024

New publication about surface modification of UCNPs

Check out a new publication about the surface modification and layer-by-layer assembly on upconverting nanoparticles.

Palo, E., Salomäki, M., and Lastusaari, M., ”Surface modification of upconverting nanoparticles by layer-by-layer assembled polyelectrolytes and metal ions”, J Colloid Interface Sci. 508 (2017) 137–144.
Read online: http://dx.doi.org/10.1016/j.jcis.2017.08.038

New publications during the summer

Check out these new publications that have been published during summer. These concern coordination chemistry of metals, luminescent clay minerals and upconversion in glass materials and in hackmanites.

Norrbo, I., Hyppänen, I. and Lastusaari, M., “Up-conversion luminescence – A new property in tenebrescent and persistent luminescent hackmanites”, J. Lumin. 191 (2017) 28-34.
Read online: http://dx.doi.org/10.1016/j.jlumin.2017.02.046

Santos, H.S., Carvalho, J.M., Viinikanoja, A., Hyppänen, I., Laihinen, T., Romani, E.C., Larrudé, D.G., Tuominen, Marjukka, Laukkanen, P., Swart, H.C., Brito, H.F., Hölsä, J, and Lastusaari, M., “Glowing synthetic chlorohectorite: The luminescent features of a trioctahedral clay mineral”, J. Lumin. 192 (2017) 567-573.
Read online: http://dx.doi.org/10.1016/j.jlumin.2017.07.017

Seppälä, P., Sillanpää, R., and Lehtonen, A., “Structural diversity of copper(II) amino alcoholate complexes”, Coord. Chem. Rev. 347 (2017) 98-114.
Read online: http://dx.doi.org/10.1016/j.ccr.2017.06.022

Nguyen, H., Tuomisto, M., Oksa, J., Salminen, T., Lastusaari, M., and Petit, L. “Upconversion in low rare-earth concentrated phosphate glasses using direct NaYF4:Er3+,Yb3+ nanoparticles doping”, Scripta Mater. 139 (2017) 130-133.
Read online: http://dx.doi.org/10.1016/j.scriptamat.2017.06.050

Schachner, J.A., Mösch-Zanetti, N.C., Peuronen, A., and Lehtonen, A., “Dioxidomolybdenum(VI) and –tungsten(VI) complexes with tetradentate amino bisphenolates as catalysts for epoxidation”, Polyhedron 134 (2017) 73-78.
Read online: http://dx.doi.org/10.1016/j.poly.2017.06.011

Hossain, M.K., Schachner, J.A., Haukka, M., Lehtonen, A., Mösch-Zanetti, N.C., and Nordlander, E., “Dioxidomolybdenum(VI) and -tungsten(VI) complexes with tripodal amino bisphenolate ligands as epoxidation and oxo-transfer catalysts”, Polyhedron 134 (2017) 275-281.
Read online: http://dx.doi.org/10.1016/j.poly.2017.04.036