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Articles tagged with: silicon

WOOD »

[2 Jun 2010 | No Comment | 1,877 views]
PU Gel: It’s Not What It Sounds Like

Materia’s excellent materials newsletter for May just hit my inbox (I’m not in any position to complain about the timing since I’ve been a delinquent blogger since April) and I learned about an intriguing material being produced in Dong Guan, China: PU Gel.  It’s mostly used for sporting goods such as shoes, but it can also be used for bags, power tools and electronics cases, and on clothing.  The manufacturer, Taiwan Kurim Enterprises, was founded in 1987 and has been molding PU gel and printing silicon ever since. The company …

FIRE »

[1 Mar 2010 | One Comment | 3,451 views]
New Light-trapping Material Boosts Solar Cell Efficiency

Silicon solar cells are popping up in lots of places these days – they’re powering traffic lights and security cameras, they’re clinging in neatly ordered arrays to rooftops, and they’ve even been spotted in all their sparkly blue splendor on the occasional backpack (where they are used to power mp3 players, fancy calculators, and cell phones). 

Image credit www.devicedaily.com
Here’s how solar cells work at the most basic level:  photons (units of light) hit the surface of the cells and the light energy is quickly absorbed by the semiconductor material.  The incoming energy knocks electrons loose from the silicon, and when that …

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