Published on October 5th, 2008 | by Andrew Williams101
New iJET Solar Cell is as Easy to Make as Pizza
October 5th, 2008 by Andrew Williams
The iJET technique is so easy and cheap to carry out that it could revolutionize access to solar technology in the developing world.
In a recent radio interview (audio), Nicole Kuepper, a 23 year-old PhD student at the University of New South Wales, explained the process.
Firstly, she takes a standard silicon solar cell and sprays it with a substance similar to nail polish. Then, she inkjet prints something like nail polish remover onto the wafer in a set pattern in the same way that you’d print a normal photo. This enables the creation of high-resolution patterns on the cell at a very low cost. The cell is then metallized with an aluminum spray and baked at a very low temperature of around 550 fahrenheit in “something like a pizza oven.”
Kuepper went on to explain how solar cells are currently manufactured using expensive “high-tech, high-cleanliness equipment,” too costly for many countries in the developing world, adding, “we’re trying to do away with all of that so that so we can ensure that these solar cells can actually be manufactured in a developing country’s environment that you might find in say Ghana or Laos for example.”
Image Credit – Mulad via flickr.com on a Creative Commons license
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