Q about current article: On-demand Hydrogen Generation... : ACS Nano Letters

by pdxjjb
Tags: article, current, generation, hydrogen, letters, nano, ondemand
pdxjjb is offline
Jan22-13, 11:29 PM
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Here is the abstract: http://pubs.acs.org/doi/abs/10.1021/nl304680w

I would need to pay the $35 so I have not read the full text.

Question: it says "...without Light, Heat, or Electricity." Where is the energy required to split the water molecules coming from?

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Jan23-13, 02:23 AM
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2H2O +Si -> SiO2 +2H2

This reaction is very exothermic due to the high energy of formation of SiO2.
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Jan23-13, 02:47 AM
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In a way it is not much different from using Al/Ga alloy for the same purpose.

pdxjjb is offline
Jan23-13, 10:29 PM
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Q about current article: On-demand Hydrogen Generation... : ACS Nano Letters

Thank you both. I foolishly thought they might be claiming some kind of catalysis. I saw the error of my ways soon after posting.

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