New group member

Thesis defended

Magdalena Mikrut has got her PhD degree. Congratulations!

Redox activity of particulate matter in the context of autoimmune diseases development.

 

Job offer!

We are looking for a Postdoctoral researcher to work in SHENG project “Photocatalytic reduction of carbon dioxide based on p-type semiconuctors”.

The job offer can be downloaded from here.

Job inquiry

We are looking for a researcher to work in TEAM project “In quest of a more efficient quantum solar energy exploitation in energy downhill and uphill photocatalytic processes (INGENIOUS)”.

The inquiry can be downloaded here.

MINIATURA project granted

Dr. Mateusz Trochowski obtained a grant from the National Science Centre within Miniatura 3 program. The project goal and title are “Selective photocatalytic reduction of aromatic nitro compounds in the presence of zinc oxide decorated with noble metal nanoparticles.”.

Congratulations!

PRELUDIUM project granted

MSc Paweł Mikrut obtained a grant from National Science Centre within Preludium 17 program. The project goal and title are “Crystals with exposed selected crystallographic facets – a new approach to designing anodes for photo-fuel cells”.

Congratulations!

Job offer!

We are looking for a researcher to work in TEAM project “In quest of a more efficient quantum solar energy exploitation in energy downhill and uphill photocatalytic processes (INGENIOUS)”.

The job offer can be downloaded from here.

 

Thesis defended

Michał Pacia has got his PhD degree. Congratulations!

Activation of O2, H2O and H2O2 in photoinduced electron transfer processes.

As part of the dissertation research was carried to recognize various aspects of activation of the O2, H2O and H2O2 presence of TiO2 materials. In the case of anatase and rutile the influence of O2 and H2O2 presence on ROS generation in the irradiated system was determined. It was proven that rutile, compared to anatase, performs better in both O2 and H2O2 reduction. The influence of the exposed crystal facets on redox properties of materials were also investigated. The facets were put in an order (101) > (100) > (001) according to their activity in the H2O2 activation via reduction. Monocrystalline rutile materials, with exposed(110), (101) or (001) facets were also tested. The next step involved tests on surface modified TiO2 materials. Proper approach to determining the EBG in the case of surface modified materials was established. Activity of materials modified with organic compounds coordinating to the surface of TiO2 was tested. Additionally, a series of other semiconductors were investigated in terms of H2O and H2O2 activation properties. One of the crucial parts of this work was to verify the suitability of available ROS detection and determination methods in the systems containing heterogeneous photocatalysts. Weaknesses of methods based on reduction of XTT and chemiluminescence of luminol have been shown. Both high selectivity and sensitivity of the method to analyze production of hydroxyl radicals based on the oxidation of TA was confirmed. By means of EPR spectroscopy, EDTA has been confirmed to have very good holes quenching properties.