Research group Mika Sipponen's group

The group develops lignin-based functional materials for sustainable energy and environmental applications.
Mika Sipponen


Our interest extends to the transformation of other industrial sidestreams to value-added materials following the principles of green chemistry. We also carry out fundamental studies on the formation and structure, as well as chemical and biological functions of renewable nanomaterials.




Biocatalytic membranes based on lignin nanoparticlesC1Bio – carbon fixation by green chemistry for a C1-based bioeconomyCircular lignin materials from well-defined functional building blocks (CIRCULIG)FORest materials: opportunities and obstacles for a Circular Economy in Sweden (FORCES)From Forest to Functional Particles for Life Sciences (FORFUN)Lignin-based functional materials for a sustainable future (SUSLIG)Lignin-based hybrid living materials (LignoLife)Lignin-based reprocessable polymer materials (LIGNOVITRI)Lignin-fatty acid hybrid materials for advanced agricultural applications (LIFAGRO)Tree bark as a renewable source of wood protection materials for building applications (BarkBuild)Upcycling food industry side streams into functional organic-inorganic hybrid materials (UPSIDEHYB)

Fully Biobased Photothermal Films and Coatings for Indoor Ultraviolet Radiation and Heat Management - Liu, J., Moreno, A., Chang, J., Morsali, M., Yuan, J., Sipponen, M.H.* Fully Biobased Photothermal Films and Coatings for Indoor Ultraviolet Radiation and Heat Management. ACS Appl. Mat. Interf. DOI: 10.1021/acsami.2c00718

Catalyst-Free Synthesis of Lignin Vitrimers... - Moreno, A.,* Morsali, M., Sipponen, M.H.* Catalyst-Free Synthesis of Lignin Vitrimers with Tunable Mechanical Properties: Circular Polymers and Recoverable Adhesives. ACS Appl. Mat. Interf. 2021, 13, 57952-57961.

Unravelling the Hydration Barrier of Lignin Oleate Nanoparticles... - Moreno, A.,* Liu, J., Gueret, R., Hadi, S.E., Bergström, L., Slabon, A., Sipponen, M.H.* Unravelling the Hydration Barrier of Lignin Oleate Nanoparticles for Acid‐and Base‐Catalyzed Functionalization in Dispersion State. Angewandte Chemie Int. Ed. 2021, 60(38), 20897-20905 (Hot Paper)

ccess to Tough and Transparent Nanocomposites... - A. Moreno, M. Morsali, J. Liu, M. H. Sipponen,* Access to Tough and Transparent Nanocomposites via Pickering Emulsion Polymerization using Biocatalytic Hybrid Lignin Nanoparticles as Functional Surfactants. Green Chemistry 23, 2021, 3001-3014.

Biocatalytic nanoparticles for the stabilization of degassed single electron transfer-living... - A. Moreno,* M. H. Sipponen,* Biocatalytic Nanoparticles for the Stabilization of Degassed Single Electron Transfer Living Radical Pickering Emulsion Polymerizations. Nature Communications 11, 2020: 5599.

Lignin-based smart materials: a roadmap to... - A. Moreno, M. H. Sipponen,* Lignin-based smart materials: a roadmap to processing and synthesis for current and future applications. Materials Horizons 7, 2020, 2237.

Lignin‐inorganic interfaces: chemistry and applications.... - T. M. Budnyak, A. Slabon, A., M. H. Sipponen,* Lignin‐inorganic interfaces: chemistry and applications from adsorbents to catalysts and energy storage materials. ChemSusChem 12, 2019, 2039-2054.

Lignin paves the way for a fossil-free society

Lignin is the substance that gives plants strength and resilience. Properties that make lignin a promising replacement for materials produced from oil and coal. Researchers at Stockholm University are investigating the potential of lignin as a basis for future materials.

Congratulations Mika Sipponen, new Wallenberg Academy Fellow!

Knut and Alice Wallenberg's foundation appoints 31 Wallenberg Academy Fellows this year, one of them is MMK associate professor Mika Sipponen! These prestigious funds will cover research over five years. After the end of the first period, it is possible to apply for another five years of financing. Mika Sipponen  will lead reseach on creating living materials for water purification and carbon fixation. Read all about the plans on the Knut and Alice Wallenberg Foundation webpage

Rainbow colours from lignin

Novel centrifugation-assisted method enables fabrication of sustainable photonic crystals from colloidal lignin particles.

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