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Article: TINY SOLAR CELLS TO POWER MICRO-MACHINES
- Article from:
- The Hindustan Times
- Article date:
- November 7, 2008
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Vishnu Makhijani
Report from Indo-Asian News Service brought to you by HT Syndication.
Washington, Nov. 07 -- (IANS) Some of the tiniest solar cells built to date have been successfully tested as a power source for even tinier machines. They have been described as an inch-long array of 20 of these cells -- each one about a quarter the size of a lowercase 'o' in a 12-point font. Xiaomei Jiang of University of South Florida, who led the research and her colleagues fabricated their array of 20 tiny solar cells as a power source for running a microscopic sensor for detecting dangerous chemicals and toxins. Traditional solar cells use a brittle backing made of silicon, the same sort of material ...