Gallery: Breakthrough in Solar Cell Science Points to Increased Efficie...


The indium/galluim puzzle has long been confusing scientists and researchers trying to make solar cells more efficient. The numbers say that the ratio of indium to gallium in thin film solar cells should be optimized at 30:70 but in practice the optimal ratio happens to be the exact opposite of that — 70 to 30. Researchers at the Johannes Gutenberg University Mainz in Germany have just discovered the answer to the puzzle: at low temperatures, the indium and gallium are unable to disperse equally and unequal dispersion causes lower efficiency. They are hoping that this information — coupled with new advances in heat resistant glass — will increase solar efficiency above the current levels.

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  3. Abyssal Angel July 22, 2010 at 7:31 pm

    Being no expert on Solar PV’s I can only assume that the article meant that the solar cells will increase their output by 10%. An increase in effectiveness from ie. 15% up by 10% to 25% would be a massive increase, 66.6% to be exact, and thus the article would probably reflect that.

    However I would also like the article to be clearer on that.


  4. sanud002 July 20, 2010 at 6:40 pm

    I haven’t seen a lot about this topic today but I assure you that this could be a huge stem forward in solar technology. A 10% increase is actually rather significant in solar terms. The most efficient panels today run at about 20%. I wonder if this process adds on to that? I saw a great video the other day about how companies are going about making the solar cells of tomorrow. It’s rather informative!

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