Dr Wang Kai
Research Assistant Professor
- Y817-04
- +852 3400 2685
- kai.wang@polyu.edu.hk
Research Overview
Our research develops perovskite oxide catalysts and reaction platforms that leverage advantages of mechanochemistry and photo-/electrochemistry for chemical synthesis and solid-state transformations under sustainable conditions.
Research Interests
Achievements
- Chinese Government Award for Outstanding Self-financed Students Abroad (2022)
- Chancellor Commendation for Excellence in PhD Thesis (Top 1%) (2022)
- Curtin International Postgraduate Research Scholarship (2018)
- Outstanding Graduate in Shandong Province (2016)
- Outstanding Graduation Thesis (Design) Award (2016)
- Depolymerization of condensation polymers, Australian Patent, 2025901613.
- Zhang, M.; Wang, K.; Han, C.; Zhang, M.; Vongsvivut, J.; Dong, T.; Liu, L.; Wang, S.; Liu, S. Kesterite-Type Narrow Bandgap Piezoelectric Catalysts for Highly Efficient Piezocatalytic Fenton System. Advanced Functional Materials 2025, 35, 2412258. DOI: https://doi.org/10.1002/adfm.202412258
- Yan, X.; Zhu, J.; Liu, Y.; Liu, Y.; He, H.; Xu, C.; Yang, S.; Ji, Q.; Wang, K.; Liu, S. Enhanced piezo-phototronic effect in carbon nitride nanosheets via oxidative exfoliation for high-efficiency piezo-photocatalysis. Journal of Materials Chemistry A 2025, 13, 4948–4959, 10.1039/D4TA07713J. DOI: 10.1039/D4TA07713J
- Wang, K.; Han, C.; Liu, S. A tandem catalyst with dual interfaces for direct syngas conversion to ethanol. Chem Catalysis 2025, 5, 101291. DOI: https://doi.org/10.1016/j.checat.2025.101291
- Wang, K.; Guo, X.; Han, C.; Liu, L.; Wang, Z.; Thomsen, L.; Chen, P.; Shao, Z.; Wang, X.; Xie, F.; Liu, G.; Wang, L.; Liu, S. Creation of Piezoelectricity in Quadruple Perovskite Oxides by Harnessing Cation Defects and Their Application in Piezo-Photocatalysis. ACS Nano 2025, 19, 3818–3829. DOI: 10.1021/acsnano.4c14974
- Li, D.; Wen, Q.; Gao, C.; Zhang, Y.; Zhou, J.; Liu, S.; Song, F.; Wang, K. Synergistic effect of lightning rod and piezo-photocatalysis in sea urchin-shape Zn-MOF-74@g-C3N4 step-scheme heterojunction for H2O2 production under visible light irradiation. Chemical Engineering Journal 2024, 498, 155079. DOI: https://doi.org/10.1016/j.cej.2024.155079
- Wang, K.; Han, C.; Li, F.; Liu, Y.; Shao, Z.; Liu, L.; Wang, S.; Liu, S. An intrinsic descriptor of perovskite cobaltites for catalytic peroxymonosulfate activation toward water remediation. Applied Catalysis B: Environmental 2023, 320, 121990. DOI: https://doi.org/10.1016/j.apcatb.2022.121990
- Zhang, L.; Wang, K.; Jia, Y.; Fang, L.; Han, C.; Li, J.; Shao, Z.; Li, X.; Qiu, J.; Liu, S. Self-Assembled LaFeO3/ZnFe2O4/La2O3 Ultracompact Hybrids with Enhanced Piezo-Phototronic Effect for Oxygen Activation in Ambient Conditions. Advanced Functional Materials 2022, 32, 2205121. DOI: https://doi.org/10.1002/adfm.202205121
- Wang, K.; Zhang, M.; Li, D.; Liu, L.; Shao, Z.; Li, X.; Arandiyan, H.; Liu, S. Ternary BaCaZrTi perovskite oxide piezocatalysts dancing for efficient hydrogen peroxide generation. Nano Energy 2022, 98, 107251. DOI: https://doi.org/10.1016/j.nanoen.2022.107251.
- Wang, K.; Han, C.; Li, J.; Qiu, J.; Sunarso, J.; Liu, S. The Mechanism of Piezocatalysis: Energy Band Theory or Screening Charge Effect? Angewandte Chemie International Edition 2022, 61, e202110429. DOI: https://doi.org/10.1002/anie.202110429
- Wang, K.; Han, C.; Shao, Z.; Qiu, J.; Wang, S.; Liu, S. Perovskite Oxide Catalysts for Advanced Oxidation Reactions. Advanced Functional Materials 2021, 31, 2102089. DOI: https://doi.org/10.1002/adfm.202102089
