Application of electrochemistry in practice (2023)

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This course presents the application of electrochemical methods for formation (electrodeposition) of thin films of semiconductors, conducting polymers, metal nanoparticles and their hybrid combinations for the investigations of their properties.

The course is divided into two parts: short theoretical introduction and practical laboratory experiments.

The course is divided into two parts: short theoretical introduction and practical laboratory experiments.

Theoretical part concerns description of fundamentals of the electrochemical methods such as: cyclic voltammetry and chronoamperometry, application of Purbaix diagrams for determination of deposition conditions, description of properties of semiconductor electrodes and determination of feasibility of electrodeposited materials for photosensors, photovoltaics or photocatalysts.

Experimental part includes:

a) the application of electrochemical methods for electrodeposition of thin films of metal oxides (BiVO4, Fe2O3, multimetallic cyanometallates with transition metals: Mo, W, Ni, Cu or Pd), conducting polymers (polyaniline and its derivatives, C3H3N3S3), semiconductors (Bi2S3 , g-C3N4) and their hybrid composites deposited on various carbon supporting materials (e.g. reduced graphene oxide, carbon nanotubes) as well as application of Au and Ag, carbon dot nanoparticles as mediators or transition metals as co-catalysts.

b) application of these hybrid electrodes as photovoltaic, photocatalytic of photosensing platforms,

c) investigation of these hybrids in dark and under illumination,

d) investigation of hazardous waste degradation such as: dyes, medications (antibiotics, antidepressants, pain medication, etc…) on hybrid electrodes in dark and under illumination,

e) investigation of water reduction/oxidation, oxygen reduction reaction, nitrogen reduction reaction, carbon dioxide reduction, ammonia formation on hybrid electrodes (in dark and under illumination).

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12. Łęcki, T.; Hamad, H.; Zarębska, K.; Wierzyńska, E.; Skompska, M. Mechanistic Insight into Photochemical and Photoelectrochemical Degradation of Organic Pollutants with the Use of BiVO4 and BiVO4/Co-Pi. Electrochim Acta 2022, 434, 141292. https://doi.org/10.1016/j.electacta.2022.141292.

13. Zhuang, H.; Yang, L.; Xu, J.; Li, F.; Zhang, Z.; Lin, H.; Long, J.; Wang, X. Robust Photocatalytic H2O2 Production by Octahedral Cd3(C3N3S3)2 Coordination Polymer under Visible Light. Sci Rep 2015, 5 (1), 16947. https://doi.org/10.1038/srep16947.

14. Deng, J.; Iniguez, J. A.; Liu, C. Electrocatalytic Nitrogen Reduction at Low Temperature. Joule. 2018, 2, 846-856. https://doi.org/10.1016/j.joule.2018.04.014

15. Zakrzewska, B.; Adamczyk, L.; Marcinek, M.; Miecznikowski, K. The Effect of an External Magnetic Field on the Electrocatalytic Activity of Heat-Treated Cyanometallate Complexes towards the Oxygen Reduction Reaction in an Alkaline Medium. Materials 2022, 15, 1418. https://doi.org/10.3390/ma15041418

16. Kicinski, W.; Artyfikiewicz, M.; Miecznikowski, K.; Donten, M.; Dyjak, S.; Gratzke, M.; Nawala, J.; Nowicka, A. M. Binary transition metal doping to create efficient TM-N-C electrocatalysts and enhance ORR catalysis under an external magnetic field. J. Alloys Compd. 2023, 935. https://doi.org/10.1016/j.jallcom.2022.168051

17. Zakrzewska, B.; Jakubów-Piotrowska, K.; Gralec, B.; Kowalewska, B.; Miecznikowski, K. Multifunctional Material Composed of Cesium Salt of Keggin-Type Heteropolytungstate and PtRh/Vulcan Nanoparticles for Electrochemical Oxidation of 2-Propanol in Acidic Medium. Electrocatalysis 2020, 11, 454-463. https://doi.org/10.1007/s12678-020-00606-x

18. Paulina Pietrzyk, Ewa Izabela Borowska, Patrycja Hejduk, Bruno Cury Camargo, Magdalena Warczak, Thu Phuong Nguyen, Agnieszka Pregowska, Marianna Gniadek, Jacek Szczytko, Sławomir Wilczewski, Magdalena Osial, Green composites based on volcanic red algae Cyanidiales, cellulose, and coffee waste biomass modified with magnetic nanoparticles for the removal of methylene blue, Environmental Science and Pollution Research, 2023

19. Sunday Olusegun, Taiene Souza, Guilhermina Souza, Magdalena Osial, Nancy Mohallem, Vierginia Ciminelli, Paweł Krysiński, Iron-based materials for the adsorption and photocatalytic degradation of pharmaceutical drugs: A comprehensive review of the mechanism pathway, Journal of Water Process Engineering, 2023

20. Paulina Pietrzyk, Nguyen Thu Phuong, Sunday Joseph Olusegun, Nguyen Hong Nam, Dinh Thi Mai Thanh, Michael Giersig, Paweł Krysiński, Magdalena Osial, Titan yellow and Congo red removal with superparamagnetic iron-oxide-based nanoparticles doped with zinc, Magnetochemistry, 2022

In this course, student supposed to acquire:

- knowledge regarding application of the electrochemical methods in the investigations of the electrode processes and electrodeposition processes

- the knowledge regarding construction and investigations of the simple photosensors, photovoltaic cell and photocatalyst

- ability to apply the Pourbaix diagram and appropriate electrochemical method for electrodeposition of chosen materials.

The experimental results should be presented in a form of a report containing graphs, calculations and conclusions.

Students will present power point presentation at the annual IRES- International Research Experience for Students symposium.