Novel form of graphene-based optical material developed

phys.org | 3/19/2019 | Staff
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Researchers at the University of Sydney, Swinburne University of Technology and the Australian National University have collaborated to develop a solar absorbing, ultrathin film with unique properties that has great potential for use in solar thermal energy harvesting.

The 90-nanometre material is 1000 times finer than a human hair and can be rapidly heated up to 160 degrees under natural sunlight in an open environment.

Material - Avenues

This new graphene-based material also opens new avenues in:

It could even lead to the development of invisible cloaking technology via large-scale thin films enclosing the objects to be hidden.

Professor - Martijn - De - Sterke - University

Professor Martijn De Sterke from the University of Sydney Nano Institute and School of Physics is Director of the Institute for Photonics and Optical Science. He said: "Through our collaboration, we came up with a very innovative and successful result.

"We have developed a new class of optical material, the properties of which can be tuned for multiple uses."

Researchers - Prototype - Performance - Absorber

The researchers have developed a 2.5cm x 5cm working prototype to demonstrate the photo-thermal performance of the graphene-based metamaterial absorber.

They have also proposed a scalable manufacture strategy to fabricate the proposed graphene-based absorber at low cost.

"This is among many...
(Excerpt) Read more at: phys.org
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