Researchers have developed plasmonic plastic -- a type of composite material with unique optical properties that can be 3D-printed. This research has now resulted in 3D-printed optical hydrogen sensors that could play an important role in the transition to green energy and industry.
In a multi-year project, researchers at Chalmers University of Technology in Sweden have developed plasmonic plastic -- a type of composite material with unique optical properties that can be 3D-printed. This research has now resulted in 3D-printed optical hydrogen sensors that could play an important role in the transition to green energy and industry.
And it worked. The project resulted in the development of new materials consisting of a mix of a polymer and colloidal, plasmonically active, metal nanoparticles. With these materials, you can 3D-print objects of anything from a fraction of a gram up to several kilograms in weight.
"We have shown that the production of the material can be scaled up, that it is based on environment-friendly and resource-efficient synthesis methods for creating the nanoparticles, and is easy to implement. Within the project, we chose to apply the plasmonic plastic to hydrogen sensors, but in reality only our imagination is the limit for what it can be used for," says Christoph Langhammer.
This unique interaction between the polymer, nanoparticles and light can be used to achieve customized effects, potentially in a wide range of products. Different types of polymers and metals contribute different properties to the composite material, which can be tailored to the particular application.Iwan Darmadi, Ida Östergren, Sarah Lerch, Anja Lund, Kasper Moth-Poulsen, Christian Müller, Christoph Langhammer.
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