Axil,
Well said, I like the combination of “plasmon-induced
dissociation of H2 on Au” and “As a byproduct of the polariton lifecycle, an
irregular metal surface will produce high energy electrons through this
nanoplasmonic mechanism” , IMHO the “irregular metal surface” is of rigid
casimir geometry which resonates through a range of different geometries
causing a constant change in casimir force in a confined area while the
hydrogen atoms in this area are still locally subject to the random motion of
gas law. I would assume a similar plasmon induced disassociation of H2 on Ni
with irregular surface geometry be it powder, tubules or skeletal catalysts. I
have always drawn a line between this phenomena and the Langmuir atomic welder
– somewhere I read he was aware of the heat anomaly and advised not to pursue
it further but he still took advantage of the thermal advantage for welding
metals with higher melting temperatures thru the boost of reassociating
hydrogen. I don’t think Langmuir was causing nuclear reactions so much as
creating an environment that discounts the disassociation threshold below the
energy released when these atoms recombine.. an HUP or Maxwellian trap that
exploits random motion in a confined space on the surface of the tungsten
electrodes.. a very primitive, less confined trap that is over driven by
electrical arcs to simply concentrate heat for the purpose of melting high
temperature metals. I think Rossi is still using the same ingredients but with
better confinement.
Fran
From: Axil Axil [mailto:[email protected]]
Sent: Thursday, October 17, 2013 1:13 AM
To: vortex-l
Subject: EXTERNAL: Re: [Vo]:MFMP Hypothesis: Celani Wire Splits Hydrogen
http://phys.org/news/2012-12-hot-electrons-impossible-catalytic-chemistry.html
Hot electrons do the impossible in catalytic chemistry
The incoming laser light optically excites surface
plasmons<http://phys.org/tags/surface+plasmons/> on the metal
surface<http://phys.org/tags/metal+surface/>, and the plasmons then decay into
hot electrons<http://phys.org/tags/hot+electrons/>. Because of their high
energies, the hot electrons extend further away from the nanoparticles than
electrons with lower energies do. If another atom or molecule that can accept
the electron is nearby, the hot electron can transfer into that acceptor's
electronic states.
In these experiments, the researchers adsorbed H2 molecules on the gold
nanoparticle surface, a procedure that is commonly performed in heterogeneous
catalysis<http://phys.org/tags/heterogeneous+catalysis/>, in which the adsorbed
molecules act as reactants<http://phys.org/tags/reactants/>. The researchers
found, as the main result of their study, that some of the hot electrons could
transfer into the closed shells of the H2 molecules and cause the two hydrogen
atoms<http://phys.org/tags/hydrogen+atoms/> to separate, or dissociate. This
process, called "plasmon-induced dissociation of H2 on Au," could improve the
efficiency of certain chemical
reactions<http://phys.org/tags/chemical+reactions/>.
As a byproduct of the polariton lifecycle, an irregular metal surface will
produce high energy electrons through this nanoplasmonic mechanism.
Read more at:
http://phys.org/news/2012-12-hot-electrons-impossible-catalytic-chemistry.html#jCp
On Wed, Oct 16, 2013 at 11:41 PM, Kevin O'Malley
<[email protected]<mailto:[email protected]>> wrote:
I suspect this is the key. 42% better absorption into the metal matrix. If
it's a surface effect, then why would higher absorption into the bulk create
more reliable excess heat events & reactions?
On Wed, Oct 16, 2013 at 8:37 PM, Kevin O'Malley
<[email protected]<mailto:[email protected]>> wrote:
http://scitation.aip.org/content/aip/journal/jcp/101/12/10.1063/1.467850
Direct reaction of gas‐phase atomic hydrogen with chemisorbed hydrogen on
Ru(001)
T. A.
Jachimowski<http://scitation.aip.org/content/contributor/AU0666706;jsessionid=35ucjlhs7rg8q.x-aip-live-03>1
and W. H.
Weinberg<http://scitation.aip.org/content/contributor/AU0332482;jsessionid=35ucjlhs7rg8q.x-aip-live-03>1
View Affiliations
J. Chem. Phys. 101, 10997 (1994); http://dx.doi.org/10.1063/1.467850
The adsorption of gas‐phase atomic hydrogen on the Ru(001) surface results in a
saturation coverage of 1.42 hydrogen adatoms per primitive surface unit cell,
which may be compared with a saturation coverage of one hydrogen adatom per
primitive surface unit cell in the case of dissociative chemisorption of
molecular hydrogen. The observed saturation fractional coverage of 1.42 results
from a steady‐state balance of adsorption of gas‐phase atomic hydrogen and
reaction of gas‐phase hydrogen with chemisorbed hydrogen adatoms, which
produces molecular hydrogen that desorbs from the surface at a temperature at
least 150 K below the temperature of recombinative desorption of two hydrogen
adatoms. The cross section of this direct reaction of hydrogen was found to be
remarkably large, approximately 40% of the cross section for chemisorption of
the gas‐phase atomic hydrogen. The reaction was found not to depend on surface
temperature nor was there an observable kinetic isotope effect.
© 1994 American Institute of Physics
