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Technology Stocks : Energy Conversion Devices -- Ignore unavailable to you. Want to Upgrade?

To: Krowbar who wrote (7677)	5/13/2004 1:58:01 AM
From: alfranco	Read Replies (2) \| Respond to of 8393

Del, this photon>exciton multiplier effect is being achieved with higher energy blue-green light exposure on PbSe nanocrystals. What I've read about this photon>exciton multiplier effect doesn't give a number for efficiency increases, just that it is 'greatly improved' and the heat from the 1st photon absorption/electron-hole formation is somehow captured/directed to generate another electron-hole formation in a certain percentage of cases. ECD is working on nanoscale but not with these elements and, as we know so well, focussing on disordered and quasi-disordered silicon so I would be pleasantly surprised if our stuff could benefit from the 'multiplier' effect the Los Alamos researchers are reporting from PbSe nanocrystals. Regards, Al