About Can we use optical discs to generate solar power
As it turns out, old Blu-ray movie discs can be turned into something other than just colorful drink coasters: their semi-reflective surfaces may be the key to making more efficient solar cells.
As it turns out, old Blu-ray movie discs can be turned into something other than just colorful drink coasters: their semi-reflective surfaces may be the key to making more efficient solar cells.
Creating a basic solar panel using old CDs is possible, but such a DIY project’s efficiency and power output are minimal. Let’s look at the facts behind this claim in detail. Fact Check.
Researchers at Northwestern University have hit upon a way to give Blu-ray discs a second chance at usefulness: They make excellent molds for imprinting solar cells with quasi-random nanostructures.
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6 FAQs about [Can we use optical discs to generate solar power ]
Can a Blu-ray Disc help solar cells absorb sunlight?
The Northwestern researchers have demonstrated that a Blu-ray disc’s strings of binary code 0s and 1s, embedded as islands and pits to store video information, give solar cells the near-optimal surface texture to improve their absorption over the broad spectrum of sunlight.
Could old Blu-ray movie discs make solar cells more efficient?
As it turns out, old Blu-ray movie discs can be turned into something other than just colorful drink coasters: their semi-reflective surfaces may be the key to making more efficient solar cells. This discovery was made by engineers from Northwestern University and published in the journal Nature.
Can Blu-ray discs be recycled into solar panels?
While it’s certainly appealing to think about recycling our Blu-ray discs directly into more efficient solar panels, a more realistic approach might be to use the mass-production infrastructure that’s already in place to create optical media that’s adapted to improving solar cell performance.
Can Blu-ray patterned solar cells be used for light trapping?
The overall broadband absorption enhancement of a Blu-ray patterned solar cell was measured to be 21.8 percent, the researchers report. “In addition to improving polymer solar cells, our simulation suggests the Blu-ray patterns could be broadly applied for light trapping in other kinds of solar cells,” Sun said.
Does Blu-ray work for solar panels?
Blu-ray discs are so great at capturing light, a team of engineers from Northwestern University thought they would test how well Blu-ray works for solar panels. After all, solar panels must also trap light as it comes in.
Does a Blu-ray imprinted solar cell increase power conversion efficiency?
When comparing the results for the Blu-ray imprinted solar cell to a non-patterned solar cell, the Blu-ray imprinted cell showed a 21.8% increase in light absorption over the entire solar spectrum, leading to an 11.9% increase in power conversion efficiency.
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