siy solar concentrator Archives – The Green Optimistic green tech news, since 2008 Fri, 20 Nov 2009 15:18:03 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Interesting and Easy to Build Solar "Sandwich" Makes Efficient Use of Space https://www.greenoptimistic.com/interesting-and-easy-to-build-solar-sandwich-makes-efficient-use-of-space-20091120/ https://www.greenoptimistic.com/interesting-and-easy-to-build-solar-sandwich-makes-efficient-use-of-space-20091120/#respond Fri, 20 Nov 2009 15:18:03 +0000 https://www.greenoptimistic.com/?p=5433 I have just received a comment on one of my articles this afternoon from a certain mr. Ryszard Dzikowski, who presents his innovation I call "solar sandwich", consisting of two Gratzel organic cells, faced one another, and covered by reflective layers on the sides, except for one, which is used to feed the aggregate with light.

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