Links to:

Research areas

• X-ray photoelectron spectroscopy on solid surfaces. Processing of XPS analyzes with ESCApe (Kratos Analitycal Ltd.), Casa XPS, Excel and Origin programs, determination of the quantitative and qualitative composition of chemical surfaces.
• Photocatalytic decomposition of organic pollutants in nature by means of nanoscale thin films and powders.
• Characterization of nanomodified coatings on metals based on transition and rare earth oxides.

Selected papers

1. Penchev Hristo, Zaharieva Katerina, Dimova Silvia, Tsacheva Ivelina, Eneva Rumyana, Engibarov Stephan Lazarkevich, Irina Paunova-Krasteva, Tsvetelina Shipochka, Maria Shipochka, Mladenova Ralitsa, Dimitrov Ognian, Stoyanova Daniela,
   ”Green Synthesized Composite AB-Polybenzimidazole/TiO₂ Membranes with Photocatalytic and Antibacterial Activity”,
   Crystals 14(12), 2024, Article number 1081
2. Koleva Violeta, Tushev Trajche, Harizanova Sonya, Kukeva Rositsa, Shipochka Maria, Markov Pavel, Stoyanova Radostina.,
   “Multi-electron redox reactions with iron and vanadium ions at a mixed phosphate-sulfate electrode during sodium intercalation”,
   Materials Advances 5(21), 2024, pp. 8599 – 861427
3. Harizanova S., Uzunov I., Aleksandrov L., Spassova I, Kalapsazova M.,
   “The Beneficial Impact of Mineral Content in Spent-Coffee-Ground-Derived Hard Carbon on Sodium-Ion Storage”,
   Materials 17(5), 2024, Article number 1016
4. Zaharieva Katerina, Shipochka Maria, Dimova Silvia, Stambolova Irina, Vassilev Sasho,
   “New Developed (Ag)-La₂O₃-Ce₄O₇-ZnO Photocatalytic Active Composites For Textile Dyes Degradation”,
   Comptes Rendus de L’Academie Bulgare des Sciences 77(12), 2024, pp.1767 – 1775
5. Boshkova Nelly, Grancharov Georgy, Shipochka Maria, Avdeev Georgy, Atanasova-Vladimirova, Stela, Stoilova Olya, Boshkov Nikolai,
   “Hybrid Zinc Coatings with Improved Corrosion Resistance Based on Chitosan Oligosaccharides”,
   Metals 14(6), 2024, Article number 636