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Chalcogel
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Chalcogel : ウィキペディア英語版
Chalcogel
A chalcogel or properly metal chalcogenide aerogel is an aerogel made from chalcogens (the column of elements on the periodic table beginning with oxygen) such as sulfur and selenium, with cadmium, tellurium, platinum, and other elements. Research is ongoing, and metals less expensive than platinum have also been used in its creation.
Chalcogels preferentially absorb heavy metals,〔
S. Bag et al.
(Porous Semiconducting Gels and Aerogels from Chalcogenide Clusters ). ''Science'' 2007-07-27: Vol. 317. no. 5837, pp. 490-493, 〕 showing promise in absorbing pollutants mercury, lead, and cadmium from water.〔Carmichael, Mary. (First Prize for Weird: A bizarre substance, like 'frozen smoke,' may clean up rivers, run cell phones and power spaceships. ) Newsweek International, 2007-08-13. Retrieved on 2007-08-05.〕 In addition, scientists have made one that is claimed to be twice as effective at desulfurization as any current methods. This is a very impressive feat, particularly because until the discovery of chalcogels' properties, scientists were beginning to consider desulfurization an optimized process.〔(【引用サイトリンク】url=http://www.sciencedaily.com/releases/2009/05/090517143341.htm )
Semiconducting metal chalcogenide aerogels, first demonstrated by Professor Stephanie Brock at Wayne State University, show great promise for use in chemical sensors, solar cells, and photoelectrolysis of water.
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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