Recently, the joint military company BAESystems of the University of Surrey, UK, partnered with Infrared Imaging on opto-MEMS devices to fabricate graphene surfaces using nanotexturing technology, So that the absorption capacity of graphene increased by 90%, the future is expected to be applied to "intelligent wallpaper" and other fields of Internet of Things. Researchers said they have successfully demonstrated that graphene can be built into the lightest light-absorbing material in the future.
It is reported that graphene has always been known for excellent electrical conductivity and mechanical strength, but its poor absorption capacity, can only absorb about 2.3% of the incident light. Researchers at the University of Surrey, inspired by the moth's eye, are able to absorb light to the maximum to see things in the dark and develop a nanoscale, thin graphene material.
Like the moth eye, this material also has a microstructure that reduces light reflections and increases light absorption. Solar panels coated with this material can absorb very weak light. Professor RavilSilva, head of the Institute of Advanced Science and Technology at the University of Surrey, said: "The moth's eyes have tiny patterns that allow them to see objects under dull light, because these tiny motifs direct the light to the moth's eyes Central, but it also reduces light reflections from being detected by predators, and we have applied the same technique of etching similar patterns on top of graphene to create an ultra-thin, highly efficient light-absorbing material. "
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