Organic photonics and nano-optics

Grön laserstråle i mörker - kvinna med skyddsglasögon

We develop and study optics based on metal nanostructures and organic materials like conducting polymers and cellulose.

The ability to control light down to the nanoscale opens for improved energy conversion, better sensors, energy-efficient displays and materials with exotic function not found in nature.
In our group, we use metal nanostructures to shape light at the nanoscale via charge oscillations called plasmons. Through combination with functional organic materials we develop applications in sensing, energy harvesting and displays. We also study and develop novel nanooptical concepts based purely on organic materials, without involving traditional plasmonic metals like gold or silver. Examples include switchable optical nanoantennas made from conducting polymers and vibrant structural coloration generated by biomimetic photonics crystals. We are further interested in forest-based optics, not least in cellulose materials for radiative cooling of objects via thermal emission to cold space. 

Group members photographed outside infront of a brick wallGroup vision workshop 2020, Norrköping

Recent project



Researcher photographed through an aluminum tube.

Passive radiative cooling can be controlled electrically

Researchers at LiU have now shown that electrical tuning of passive radiative cooling can be used to control temperatures of a material at ambient temperatures and air pressure. The results have been published in Cell Reports Physical Science.

Akchheta Karki and Magnus Jonsson behind a board showing the function of the antennas.

Nanoantennas for light controlled electrically

Researchers at LiU have developed optical nanoantennas that can be turned on/off and gradually tuned by applying electrical potentials. The study opens for applications including dynamic flat metaoptics and tuneable smart materials.

Two researchers in LOE investigate reflective colour displays.

A new look at colour displays

Researchers at Linköping University have developed a method that may lead to new types of displays based on structural colours. The discovery opens the way to cheap and energy-efficient colour displays and electronic labels.



Seunghyun Lee, Daseul Jeong, Sriram KK, Shangzhi Chen, Fredrik Westerlund, Byeongwon Kang, Kyoung-Ho Kim, Magnus Jonsson, Evan S. H. Kang (2023) Plasmonic polymer nanoantenna arrays for electrically tunable and electrode-free metasurfaces Journal of Materials Chemistry A Continue to DOI
Kunli Xiong, Oliver Olsson, Stefano Rossi, Gan Wang, Magnus Jonsson, Andreas Dahlin, Jeremy J. Baumberg (2023) Video-Rate Switching of High-Reflectivity Hybrid Cavities Spanning All Primary Colors Advanced Materials Continue to DOI
Debashree Banerjee, Tomas Hallberg, Shangzhi Chen, Chaoyang Kuang, Mingna Liao, Hans Kariis, Magnus Jonsson (2023) Electrical tuning of radiative cooling at ambient conditions Cell Reports Physical Science, Vol. 4, Article 101274 Continue to DOI
Iwona Bernacka Wojcik, Loic Talide, Ilaria Abdel Aziz, Jan Simura, Vasileios Oikonomou, Stefano Rossi, Mohsen Mohammadi, Abdul Manan Manan Dar, Maria S Seitanidou, Magnus Berggren, Daniel Simon, Klas Tybrandt, Magnus Jonsson, Karin Ljung, Totte Niittyla, Eleni Stavrinidou (2023) Flexible Organic Electronic Ion Pump for Flow-Free Phytohormone Delivery into Vasculature of Intact Plants Advanced Science, Vol. 10, Article 2206409 Continue to DOI
Prasaanth Ravi Anusuyadevi, Shuvra Singha, Debashree Banerjee, Magnus Jonsson, Mikael S. S. Hedenqvist, Anna J. J. Svagan (2023) Synthetic Plant Cuticle Coating as a Biomimetic Moisture Barrier Membrane for Structurally Colored Cellulose Films Advanced Materials Interfaces, Vol. 10, Article 2202112 Continue to DOI

Principal investigator


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