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Researchers achieve nearly 90% efficiency converting light energy into surface waves on graphene

Researchers achieve nearly 90% efficiency converting light energy into surface waves on graphene

Scientists at Russia-based MIPT and Vladimir State University have reported a nearly 90% efficiency converting light energy into surface waves on graphene. They relied on a laser-like energy conversion scheme and collective resonances. Manipulating light at the...

New type of graphene photodetector could enable low-cost cameras for self-driving cars and robots

An international team of researchers recently reported its success in creating a new type of graphene-based photodetector. The team integrated three concepts to achieve the new device: metallic plasmonic antennas, ultra sub-wavelength waveguiding of light and graphene...

New twist on graphene to boost optoelectronics

Researchers at University of California Berkeley, Washington University in St. Louis and Lawrence Berkeley National Laboratory have stacked two sheets of graphene on top of each other and twisted them, which resulted in the conversion of a common linear material into...
Graphene-enhanced color-changing flexible photonic crystals could be the key to next-gen smart sensors

Graphene-enhanced color-changing flexible photonic crystals could be the key to next-gen smart sensors

An international team of scientists, led by the Universities of Surrey and Sussex, has developed graphene-enhanced color-changing, flexible photonic crystals that could be used to develop sensors that warn when an earthquake might strike next.Optical images and...

A new experimental pilot line will integrate graphene and related layered materials (GRMs) in semiconductor platforms

​The European Commission recently invited a group of Graphene Flagship partners and associated members to set up an experimental pilot line to integrate graphene and related layered materials (GRMs) in semiconductor platforms.The project aims to establish a...
Researchers develop a graphene metamaterial film that absorbs sunlight with minimal heat loss

Researchers develop a graphene metamaterial film that absorbs sunlight with minimal heat loss

Researchers from Swinburne University developed a graphene-based highly efficient solar absorbing film that absorbs sunlight with minimal heat loss. The film rapidly heats up in an open environment and has great potential in solar thermal energy harvesting systems...