metal surface plasmon Archives – The Green Optimistic green tech news, since 2008 Wed, 07 Jul 2010 18:01:36 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Plasmonic Motor Powered Mechanically and Directly by Light, Developed by UC Berkeley https://www.greenoptimistic.com/plasmonic-motor-solar-cell-20100707/ https://www.greenoptimistic.com/plasmonic-motor-solar-cell-20100707/#respond Wed, 07 Jul 2010 18:01:36 +0000 https://www.greenoptimistic.com/?p=8372 Researchers from the University of California Berkeley, led by Xiang Zhang, a principal investigator with the university's Materials Sciences Division and director of UC Berkeley's Nano-scale Science and Engineering Center (SINAM), demonstrated for the first time practically how light can actually move material nanometric particles of gold by using surface plasmons.

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]]> https://www.greenoptimistic.com/plasmonic-motor-solar-cell-20100707/feed/ 0 8372 Caltech Metamaterial Refracts Light Coming From Broad Range of Angles: Suitable for Solar Cells https://www.greenoptimistic.com/caltech-metamaterial-refract-solar-cells-20100423/ https://www.greenoptimistic.com/caltech-metamaterial-refract-solar-cells-20100423/#respond Fri, 23 Apr 2010 14:25:15 +0000 https://www.greenoptimistic.com/?p=7439 Caltech researchers have just discovered a metamaterial with a particular three-dimensional structure that exhibits a negative index of refraction for the light entering it. It simply bends the light in another angle than it would normally be expected, no matter what angle the incident light had.

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]]> https://www.greenoptimistic.com/caltech-metamaterial-refract-solar-cells-20100423/feed/ 0 7439 Surface Plasmons Increase PV Efficiency to 30% https://www.greenoptimistic.com/surface-plasmons-increase-pv-efficiency-to-30-20081229/ https://www.greenoptimistic.com/surface-plasmons-increase-pv-efficiency-to-30-20081229/#respond Mon, 29 Dec 2008 13:07:35 +0000 https://www.greenoptimistic.com/?p=1436 Solar-powered electricity generation is heading towards better days, due to nanotechnology research. Dutch scientists Kylie Catchpole and Albert Polman from the FOM Institute for Atomic and Molecular Physics in Netherlands, showed that by using nano-sized metal particles in solar cells can render their overall efficiency up to 30%.

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