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I am a Physical Chemist specialized in light-matter interactions.

Current and previous positions

Jan. 2021 - present: Associate Professor, Photocatalytic Synthesis group, University of Twente, the Netherlands

Dec. 2016 - Dec. 2020: Assistant Professor, Photocatalytic Synthesis group, University of Twente, the Netherlands

Nov. 2011-Nov. 2016: Assistant Professor, Optical Sciences group, University of Twente, the Netherlands

May 2008-Oct. 2011: Postdoctoral scientist, Chemical Physics department, Lund University, Sweden. Advisor: Prof. Villy Sundstrom

Education

2014: Dutch University Teaching Qualification (UTQ)

2008: Ph.D. degree. Thesis: 'Energy transfer dynamics in molecular layers of porphyrin derivatives'. Supervisors: Prof. Laurens Siebbeles and Dr. Tom Savenije, Delft University of Technology, the Netherlands 

2004: M.Sc. degree (cum laude) in Chemical Engineering, specialization in Physical Chemistry, Delft University of Technology, the Netherlands

Grants and Awards

2023: NWO ENW M2 Open Competition grant, with Dr. Andrea Baldi (VU Amsterdam) (k€700)

2022: NWO Wind and Solar Energy grant, with Dr. Rebecca Saive (University of Twente) (M€1.2)

2021: NWO ENW M1 Open Competition grant (k€310)

2020: NWO Open Technology Program grant, with Prof. André ten Elshof (University of Twente) (k€580)

2018: TOP grant from the Netherlands Organization for Scientific Research (NWO), offering outstanding researchers the opportunity to strengthen or renew challenging and innovative lines of research, with Prof. Huub De Groot (Leiden) and Dr. Tomas Jansen (Groningen) (k€820)

2004: Award for best M.Sc. student Chemical Engineering (out of ca. 50 students), Delft University of Technology, the Netherlands

2004: Cum laude award (top 5 %) for M.Sc. degree in Chemical Engineering, Delft University of Technology, the Netherlands

Organisations

Research ambition

My research aims to understand and actively steer the photophysical and photocatalytic processes that drive solar energy conversion by tuning the static and dynamic nanostructures of materials, with the goal of establishing design principles for next-generation solar energy materials. I am particularly interested in correlated structural–electron dynamics, both within materials and at active surfaces and interfaces. My team employs complementary ultrafast spectroscopic methods to visualize individual processes in real time, including femtosecond transient absorption and time-resolved photoluminescence spectroscopy. We perform these studies under in situ conditions—an approach that remains rare globally—and have observed that the environment plays a major role in the photodynamics that underpin the performance.

Recent PhD graduates

Team members            

Publications

Jump to: 2025 | 2024 | 2023

2025

Exploring the Effects of the Guanidinium:Methylammonium Ratio on the Photophysical Dynamics of ⟨n⟩ = 5 ACI Perovskites (2025)The Journal of physical chemistry C, 129(40), 18118-18127. Einhaus, L. M., Zhang, X., Korterik, J. P., Molenaar, R., Mul, G., ten Elshof, J. E. & Huijser, A.https://doi.org/10.1021/acs.jpcc.5c04999Electrocatalytic CO2 reduction with an immobilized iron complex on gas diffusion electrodes (2025)Chemical communications, 61(76), 14693-14696. Brands, M. B., Marden, J. L., Zhu, K., Huijser, A. & Reek, J. N. H.https://doi.org/10.1039/d5cc01220aUnderstanding the Light-Driven Enhancement of CO2 Hydrogenation over Ru/TiO2 Catalysts (2025)Molecules, 30(12). Article 2577. Bu, Y., Wenderich, K., Costa, N. T., Weststrate, K. J. C. J., Huijser, A. & Mul, G.https://doi.org/10.3390/molecules30122577Facet-Dependent Performance of Microstructured SrTiO3 Particles in Photocatalytic Oxidation of Acetone (2025)Energy and Environmental Materials, 8(3). Article e12862. Costa, N. T., Monteiro Cunha, D., Zhu, K., Huijser, A., Katsoukis, G., Wenderich, K., Flapper, J. & Mul, G.https://doi.org/10.1002/eem2.12862Manipulation of crystallization, optical properties and phase distribution of two-dimensional metal halide perovskite through solution-based method (2025)[Thesis › PhD Thesis - Research UT, graduation UT]. University of Twente. Zhang, X.https://doi.org/10.3990/1.9789036565769Effects of Nuclear Motion on the Photoinduced Interfacial Charge Transfer Dynamics at a NiO/P1 Photocathode (2025)The Journal of physical chemistry C, 129(14), 6817-6826. de Haas, T., Zhu, K., van der Sterre, J. M., Luo, Y., Mul, G., Buda, F. & Huijser, A.https://doi.org/10.1021/acs.jpcc.4c08758Photophysical Characterization of Layered Perovskites for Solar Cell Applications (2025)[Thesis › PhD Thesis - Research UT, graduation UT]. University of Twente. Einhaus, L. M.https://doi.org/10.3990/1.9789036565486Conformational Dynamics of Bacteriochlorophyll c in Chlorosomes from the bchQ Mutant of Chlorobaculum tepidum (2025)The Journal of physical chemistry B, 129(8), 2129-2137. Dsouza, L., Sai Sankar Gupta, K. B., Li, X., Erić, V., Luo, Y., Huijser, A., Jansen, T. L. C., Buda, F., Holzwarth, A. R., Bryant, D. A., Gurinov, A., Sevink, G. J. A. & de Groot, H. J. M.https://doi.org/10.1021/acs.jpcb.4c04731

2024

Effects of Combining Dion-Jacobson and Ruddlesden-Popper Spacers on the Photophysics of Quasi-2D Perovskites (2024)Advanced Optical Materials, 12(32). Article 2401629. Einhaus, L. M., Zhang, X., Korterik, J. P., Mul, G., ten Elshof, J. E. & Huijser, A.https://doi.org/10.1002/adom.202401629Limiting Molecular Twisting: Upgrading a Donor–Acceptor Dye to Drive H2 Evolution (2024)Advanced science, 11(40). Article 2403454. Zhu, K., Rodríguez, A. P., Brands, M. B., de Haas, T., Buda, F., Reek, J. N. H., Mul, G. & Huijser, A.https://doi.org/10.1002/advs.202403454Phase distribution regulation of formamidinium-based quasi-2D perovskites through solution engineering (2024)Journal of materials chemistry C, 12(38), 15671-15681. Zhang, X., Einhaus, L., Huijser, A. & ten Elshof, J. E.https://doi.org/10.1039/d4tc02231aSlow hole diffusion limits the efficiency of p-type dye-sensitized solar cells based on the P1 dye (2024)Energy Advances, 3(8), 2035-2041. Brands, M. B., Lugier, O. C. M., Zhu, K., Huijser, A., Tanase, S. & Reek, J. N. H.https://doi.org/10.1039/d4ya00271gAn integrated approach towards extracting structural characteristics of chlorosomes from a bchQ mutant of Chlorobaculum tepidum (2024)Physical chemistry chemical physics, 26(22), 15856-15867. Dsouza, L., Li, X., Erić, V., Huijser, A., Jansen, T. L. C., Holzwarth, A. R., Buda, F., Bryant, D. A., Bahri, S., Sai Sankar Gupta, K. B., Sevink, G. J. A. & de Groot, H. J. M.https://doi.org/10.1039/D4CP00221KDye-sensitized NiO photocathodes: Research progress, current mechanistic understanding, and research perspectives (2024)Chemical Physics Reviews, 5(2). Article 021305. Zhu, K., Mul, G. & Huijser, A.https://doi.org/10.1063/5.0170022Observation of Dark States in Two-Dimensional Electronic Spectra of Chlorosomes (2024)The Journal of physical chemistry B, 128(15), 3575-3584. Erić, V., Li, X., Dsouza, L., Huijser, A., Holzwarth, A. R., Buda, F., Sevink, G. J. A., de Groot, H. J. M. & Jansen, T. L. C.https://doi.org/10.1021/acs.jpcb.4c00067Rotaxane-Functionalized Dyes for Charge-Rectification in p-Type Photoelectrochemical Devices (2024)Advanced science, 11(9). Article 2306032. Bouwens, T., Bakker, T., Zhu, K., Huijser, A., Mathew, S. & Reek, J. N. H.https://doi.org/10.1002/advs.202306032Manipulation of Crystal Orientation and Phase Distribution of Quasi-2D Perovskite through Synergistic Effect of Additive Doping and Spacer Engineering (2024)Inorganic chemistry, 63(11), 5246-5259. Zhang, X., Einhaus, L., Huijser, A. & ten Elshof, J. E.https://doi.org/10.1021/acs.inorgchem.4c00335Photophysical Study on the Effect of the External Potential on NiO-Based Photocathodes (2024)ACS Applied Materials and Interfaces, 16(4), 5217-5224. Zhu, K., Einhaus, L., Mul, G. & Huijser, A.https://doi.org/10.1021/acsami.3c09566CuBO2: A Potential Alternative for NiO as a Hole Acceptor Layer (2024)ChemSusChem, 17(2). Article e202300800. Zhu, K., Mul, G. & Huijser, A.https://doi.org/10.1002/cssc.202300800Solvent-assisted Mechanochemical Synthesis of UV-absorbing, NIR-emitting CsPbCl3:Yb3+ Perovskite Powders for Spectral Conversion Applications (2024)[Contribution to conference › Poster] 52nd IEEE Photovoltaic Specialist Conference, PVSC 2024. Van de Voorde, M. A. N., Huijser, A. & Saive, R.

2023

Disentangling Hot Carrier Decay and the Nature of Low-n to High-n Transfer Processes in Quasi-Two-Dimensional Layered Perovskites (2023)The Journal of physical chemistry C, 127(48), 23312-23322. Einhaus, L. M., Zhang, X., Zhu, K., Korterik, J. P., Molenaar, R., Askes, S. H. C., Mul, G., ten Elshof, J. E. & Huijser, A.https://doi.org/10.1021/acs.jpcc.3c05415Photon Energy-Dependent Ultrafast Exciton Transfer in Chlorosomes of Chlorobium tepidum and the Role of Supramolecular Dynamics (2023)The Journal of physical chemistry B, 127, 7581−7589. Frehan, S. K., Dsouza, L., Li, X., Eric, V., Jansen, T. L. C., Mul, G., Holzwarth, A. R., Buda, F., Agur Sevink, G. J., de Groot, H. J. M. & Huijser, A.https://doi.org/10.1021/acs.jpcb.3c05282Ultrafast Anisotropy Decay Reveals Structure and Energy Transfer in Supramolecular Aggregates (2023)ACS Physical Chemistry Au, 127(34), 7487-7496. Eric, V., Castro, J. L., Li, X., Dsouza, L., Frehan, S. K., Huijser, A., Holzwarth, A. R., Buda, F., Agur Sevink, G. J., de Groot, H. J. M. & Jansen, T. L. C.https://doi.org/10.1021/acs.jpcb.3c04719Photophysical Characterization of Ru Nanoclusters on Nanostructured TiO2 by Time-Resolved Photoluminescence Spectroscopy (2023)The Journal of physical chemistry C, 127(29), 14353-14362. Wenderich, K., Zhu, K., Bu, Y., Tichelaar, F. D., Mul, G. & Huijser, A.https://doi.org/10.1021/acs.jpcc.3c04075Dye-sensitized photocathodes: Materials and interfacial photodynamics (2023)[Thesis › PhD Thesis - Research UT, graduation UT]. University of Twente. Zhu, K.https://doi.org/10.3990/1.9789036555739

Research profiles

BSc programs Advanced Technology and Chemical Science and Engineering

  • Molecular Structure and Spectroscopy (202000663)
  • Supervisor Materials Project (202200193)

MSc programs Nanotechnology, Chemical Science and Engineering and Applied Physics

  • Lecturer Microscopy and Spectroscopy (201600043)
  • Module Coordinator Characterization of Nanostructures (201600043)
  • Supervisor Inorganic Materials and Molecular S&T project (193700070)

Affiliated study programs

Courses academic year 2024/2025

Courses in the current academic year are added at the moment they are finalised in the Osiris system. Therefore it is possible that the list is not yet complete for the whole academic year.

  • NWO M2 Selective CO2 photoreduction on plasmonic nanoparticles 
  • NWO M1 Can vibronic coupling aid efficient photochemical conversion?
  • ARC CBBC Catalytically active coatings for the removal of indoor pollutants
  • NWO TOP The molecular twist of long-range exciton transfer in chiral self-assembled supramolecular matrices.
  • NWO OTP Towards stable patterned metal-halide perovskites with controlled optical and photophysical properties

Address

University of Twente

Horst Complex (building no. 20), room ME226
De Horst 2
7522 LW Enschede
Netherlands

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