Posts Tagged ‘solar cell’
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March 3rd, 2009
Solar Cell Efficiency
Electricity-generating solar cells are one of the most attractive alternatives for creating a long-term sustainable energy system.
Researchers are now looking at how nanotechnology can contribute in bringing down the cost and improve the performance of the system. I’ve just seen this story which looks at the use of quantum dots, but it reminded me that another way to enhance the absorption of the solar harvesting material in a solar cell is to make use of nanoparticles of gold.
Carl Hägglund at Chalmers University in Sweden has looked at how this can be done in the following publication Applied Physics Letters 92, 013113 (2008).
Catherine Murphy has also been rec
eiving funding to explore this potential new application for gold using nanorods.Gold nanorods are not widely available, but if you are working in this field and wish to try gold nanorods they can be purchased from NanoPartz.
Richard Holliday
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