dr.ir. K. Wenderich (Kasper)

After obtaining a MSc degree in Applied Physics in 2011, I started my PhD at the PCS group at the University of Twente, where I focused on the applications of photodeposition of cocatalytic nanoparticles on photocatalytic materials, specifically platinum on tungsten oxide. In 2016, I obtained my PhD degree. After spending a postdoctoral position at the Martin Luther University Halle-Wittenberg, I returned in 2018 to the PCS group for my next postdoc. Currently, I am working on the electrochemical anodic production of hydrogen peroxide.

Physics & Astronomy

# Tungsten Oxides

Chemistry

# Tungsten Oxide

Engineering & Materials Science

# Electrochemical Oxidation
# Hydrogen Peroxide
# Nanoparticles
# Photocathodes
# Surface Charge
# Water

Faculty of Science and Technology (TNW), Photocatalytic Synthesis (PCS)

(Photo)electrochemical water splitting is a promising, renewable method to produce hydrogen, which can be used as a green fuel. Regretfully, production of hydrogen through ‘classic’ (P)EC water splitting is financially not competitive with hydrogen production from steam methane reforming. A strategy to lower the hydrogen price is by addressing the product formed at the anode. In ‘classic’ PEC water splitting, oxygen is generated as a ‘waste’ product, which hardly has any financial value. When such oxygen is replaced with a commodity chemical, the hydrogen price can be significantly reduced.

In my research, I focus on the selective electrochemical oxidation of water to form hydrogen peroxide as a financially rewarding product at the anode. Hydrogen peroxide is used amongst others as a bleaching agent, as a disinfectant or for chemical synthesis applications. Here, we perform research on obtaining high selectivity and high production values of hydrogen peroxide through materials engineering, electrolyte evaluation and reactor engineering. Furthermore, we model the techno-economics of different situations where hydrogen peroxide is produced to elucidate financial consequences.

Romeiro, F. D. C., Orlandi, M. O. , Mul, G. , Wenderich, K. , & Mei, B. (2023). Assessing stability and performance of fluorine-doped tin oxide electrodes for peroxide formation in carbonate-based electrolytes. Electrochimica acta, 468, Article 143166. https://doi.org/10.1016/j.electacta.2023.143166

Wenderich, K. , Zhu, K., Bu, Y., Tichelaar, F. D. , Mul, G. , & Huijser, A. (2023). Photophysical Characterization of Ru Nanoclusters on Nanostructured TiO₂ by Time-Resolved Photoluminescence Spectroscopy. Journal of Physical Chemistry C, 127(29), 14353-14362. https://doi.org/10.1021/acs.jpcc.3c04075

Wenderich, K. , & Altomare, M. (2023). Metal oxide semiconductor nanomaterials for heterogeneous photocatalysis. In Sustainable Nanomaterials for Energy Applications (pp. 6). Institute of Physics (IOP). https://doi.org/10.1088/978-0-7503-3531-7ch6

Zhu, K. , Frehan, S. K., Jaros, A. , O'Neill, D. B. , Korterik, J. P. , Wenderich, K. , Mul, G. , & Huijser, A. (2021). Unraveling the Mechanisms of Beneficial Cu-Doping of NiO-Based Photocathodes. The Journal of physical chemistry C, 125(29), 16049-16058. https://doi.org/10.1021/acs.jpcc.1c03553

Wenderich, K., Nieuweweme, B. A. M. , Mul, G. , & Mei, B. T. (2021). Selective Electrochemical Oxidation of H₂O to H₂O₂ Using Boron-Doped Diamond: An Experimental and Techno-Economic Evaluation. ACS Sustainable Chemistry and Engineering, 9(23), 7803-7812. https://doi.org/10.1021/acssuschemeng.1c01244

Wenderich, K., Kwak, W., Grimm, A., Kramer, G. J. , Mul, G. , & Mei, B. T. (2020). Industrial feasibility of anodic hydrogen peroxide production through photoelectrochemical water splitting: a techno-economic analysis. Sustainable Energy & Fuels, 4(6), 3143-3156. https://doi.org/10.1039/D0SE00524J

Ajayi, T. J., Ollengo, M., le Roux, L., Pillay, M. N., Staples, R. J., Biros, S. M. , Wenderich, K. , Mei, B. , & van Zyl, W. E. (2019). Heterodimetallic Ferrocenyl Dithiophosphonate Complexes of Nickel(II), Zinc(II) and Cadmium(II) as Sensitizers for TiO₂-Based Dye-Sensitized Solar Cells. ChemistrySelect, 4(25), 7416-7424. https://doi.org/10.1002/slct.201900622

Brüninghoff, R. , Wenderich, K. , Korterik, J. P. , Mei, B. T. , Mul, G. , & Huijser, A. (2019). Time-Dependent Photoluminescence of Nanostructured Anatase TiO2 and the Role of Bulk and Surface Processes. The Journal of physical chemistry C, 123(43), 26653-26661. https://doi.org/10.1021/acs.jpcc.9b06890

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