Researchers at the
The new approach achieves highly efficient broad-band light trapping in thin films, with more light captured in the film in order to maximise absorption and electricity generation. The new design could have applications in LED and lasers as well as solar cells.
The research, which is reported in
The new method builds on research into a class of materials known as quasi-crystals, which offer advantages in terms of the spectrum of light they are able to capture. However, the problem with these structures is that their properties are difficult to tailor towards specific applications.
To solve this problem, the researchers created a new structure called a quasi-random structure, which combines the rich spatial frequencies associated with quasi-crystals with a high level of control.
The idea of the quasi-random structure was developed at
Emiliano, of the
Professor Krauss added, "Applying our nanophotonics design ideas to such an important area as solar cells is essential for improving the competitiveness of renewable energy generation."
Calculations for the research into quasi-random cells were conducted by collaborators in
Corresponding author Dr
The research was supported by the
The article "Deterministic quasi-random nanostructures for photon control" will be published in
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