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krisi
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re: Researchers claim low-cost solar cells based on abundant metals
krisi   5/8/2012 3:58:03 AM
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I doubt this technology can capture energy from multiple wavelengths, you would need to vary energy bandgap in somewhat controlled way but we can all hope of course ;-)...Kris

DrQuine
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re: Researchers claim low-cost solar cells based on abundant metals
DrQuine   5/8/2012 3:32:17 AM
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I hope they succeed. We need cheap energy. They'll also improve efficiency if they utilize some of the creative geometries we've read about to capture more of the ambient light and utilize the new techniques to capture energy from multiple wavelengths. Finally, I hope they leverage one of the shuttered solar cell manufacturing facilities and resist the temptation to build yet another...

krisi
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re: Researchers claim low-cost solar cells based on abundant metals
krisi   5/7/2012 7:48:40 PM
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I don`t fully agree JLS...yes, efficiency is not everything, currently many thin film technologies like CdTe compete well with silicon since they are cheaper although less efficient...but there is a limit on how low efficiency can be, I sense it is around 10%, anything lower is probably useless even if very cheap...Kris

JLS
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re: Researchers claim low-cost solar cells based on abundant metals
JLS   5/7/2012 6:37:04 PM
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This seems like the right approach; we need to find more cheap replacements for the more exotic elements that seem to used in most processes. Make it cheap enough and the efficiency becomes seconadry.

krisi
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re: Researchers claim low-cost solar cells based on abundant metals
krisi   5/7/2012 4:36:04 PM
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Exciting but the efficiency, manufacturability and cost need to be known before anything can be said whether this is a viable technology or not...Kris

Kinnar
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re: Researchers claim low-cost solar cells based on abundant metals
Kinnar   5/7/2012 9:01:44 AM
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This seems the right path for design of the PV cells, using the materials out of waste will surely help saving the earth in two ways. Great work done by the researchers.

GREATTerry
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re: Researchers claim low-cost solar cells based on abundant metals
GREATTerry   5/7/2012 6:55:24 AM
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It is important to keep on thinking out of the box and get more breakthrough of PV cell so that a finally good cost effective cell can be mass produced.

daleste
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re: Researchers claim low-cost solar cells based on abundant metals
daleste   5/5/2012 11:35:25 PM
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I'm really glad to see some break throughs in solar technology. I would like to have a cost effective solution that would help the environment and my pocket book.

Sanjib.A
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re: Researchers claim low-cost solar cells based on abundant metals
Sanjib.A   5/5/2012 3:56:06 AM
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How is the efficiency of the DSCs compared to the conventional solar cells?...any qualitative comparison available?



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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