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Translucent/stick-on solar PV | 16 comments (16 topical, 0 editorial)

Re: Translucent/stick-on solar PV (3.00 / 0) (#5)
by dnix71 on Thu May 15th, 2008 at 06:23:56 PM MST
(User Info)

Still vaporware it seems

http://www.renewableenergyworld.net/rea/news/story?id=45641

solar pv window tint (organic and half the output of silicon based

Re: Translucent/stick-on solar PV (3.00 / 0) (#6)
by DamonHD (d@hd.org) on Fri May 16th, 2008 at 01:23:38 AM MST
(User Info) http://www.earth.org.uk/

Well, you may indeed have the answer there... Vapourware only at the moment...

I did see another very recent research grant for something similar.

Still, I'l keep looking! B^>

Rgds

Damon

[ Parent ]

Re: Translucent/stick-on solar PV (3.00 / 0) (#7)
by Ungrounded Lightning Rod on Fri May 16th, 2008 at 09:13:44 AM MST
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It will have to be the outer pane of a double-pane window. The the above-bandgap part of the energy of the absorbed light will appear as heating of the coating, so you want that on the outside of the window - at least in the summer.

[ Parent ]

Re: Translucent/stick-on solar PV (3.00 / 0) (#8)
by Ungrounded Lightning Rod on Fri May 16th, 2008 at 09:15:16 AM MST
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Make that "you want it on the outside pane".

Putting the coating on the inside part of the outside pane will protect it from the environment very nicely.

[ Parent ]

Re: Translucent/stick-on solar PV (3.00 / 0) (#9)
by DamonHD (d@hd.org) on Fri May 16th, 2008 at 09:39:28 AM MST
(User Info) http://www.earth.org.uk/

That would rather preclude it being a DIY job, or being taken off in the evening for example, if I understand you! B^>

Rgds

Damon

[ Parent ]

Re: Translucent/stick-on solar PV (3.00 / 0) (#10)
by Ungrounded Lightning Rod on Fri May 16th, 2008 at 07:19:00 PM MST
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It only stops half the light. I think the thermal windows on our Nevada house stop about 2/3 and they don't noticeably hamper visibility at night. (Half the energy is about 3db, which is barely detectable in the logarithmic response of the eye.)

[ Parent ]

Re: Translucent/stick-on solar PV (3.00 / 0) (#11)
by DamonHD (d@hd.org) on Sat May 17th, 2008 at 02:10:01 AM MST
(User Info) http://www.earth.org.uk/

Indeed, I can understand that. And it's a nice idea.

But the implication is still that I'd have to get specially-constructed double-glazed doors, yes, which would be fiendishly expensive I'll bet!

Rgds

Damon

[ Parent ]

Re: Translucent/stick-on solar PV (3.00 / 0) (#14)
by Ungrounded Lightning Rod on Sat May 17th, 2008 at 05:46:01 PM MST
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They're fiendishly expensive WITHOUT the solar panel - just with low-E glass and a frame. If the low-E coating could be made as a solar panel without a price change you'd get the power for the cost of the extra wiring. If not, you get it for that plus the price difference (presuming you were going to install low-E windows anyhow).

That delta might be far less than the cost of a full-blown panel assembly - glass, frames, wiring, mounting, ...

[ Parent ]

Re: Translucent/stick-on solar PV (3.00 / 0) (#15)
by DamonHD (d@hd.org) on Sun May 18th, 2008 at 02:49:39 AM MST
(User Info) http://www.earth.org.uk/

OK, indeed.

Well, if we have to have some custom-made double glazing done, and it is entirely possible that some of our 40-year-old falling-apart stuff is going to need repair or replacement, then I'll see if we can put in (say) some of Schott's laminate stuff in the outer pane.

Rgds

Damon

[ Parent ]

Translucent/stick-on solar PV | 16 comments (16 topical, 0 editorial)

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