Precious metals Archives – The Green Optimistic green tech news, since 2008 Wed, 23 Oct 2013 18:04:04 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Nanoscale “LEGO” Setup of Aluminum Studs Improves Solar Cell Efficiency https://www.greenoptimistic.com/nanoscale-lego-aluminum-solar-cell-efficiency-20131023/ https://www.greenoptimistic.com/nanoscale-lego-aluminum-solar-cell-efficiency-20131023/#respond Wed, 23 Oct 2013 18:04:04 +0000 https://www.greenoptimistic.com/?p=42749 Most often, precious metals like gold and silver are used in solar cell efficiency. Now, an international research team has found that aluminum may be the better option. They demonstrated that a nanoscale LEGO-style setup of aluminum studs can improve solar cell efficiency by up to 22 percent. Aluminum is already cheap and abundant, and […]

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]]> https://www.greenoptimistic.com/nanoscale-lego-aluminum-solar-cell-efficiency-20131023/feed/ 0 42749 Sub-Nano Platinum Particles Make Fuel Cells 13 Times Better https://www.greenoptimistic.com/sub-nano-platinum-particles-make-fuel-cells-13-times-better-20090722/ https://www.greenoptimistic.com/sub-nano-platinum-particles-make-fuel-cells-13-times-better-20090722/#respond Wed, 22 Jul 2009 20:05:04 +0000 https://www.greenoptimistic.com/?p=4087 Nano-sized machinery makes me shiver. Thinking at a molecular and atomic level when speaking about technology makes me wonder even more. Even if I consider myself a logic person, extremely small and extremely large objects impress me.

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