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Paint Your Roof With Working Solar Cells Made from Grass Clippings

Popular Science -- Installing a solar roof on your home could one day be as simple as mixing your yard clippings into a stew of inexpensive chemicals and painting the resulting mixture right onto your rooftop. An MIT researcher has developed a method of manufacturing solar panels on the spot from agricultural waste, sidestepping the need for silicon and making ready-to-mix solar cheap and abundant virtually anywhere.

But first things first. What MIT’s Andreas Mershin has done here is pretty interesting. His chemical cocktail extracts the photosynthesizing molecules from plant matter--including chlorophyll--and stabilizes them such that they can be spread on a glass substrate. Said substrate is coated in nanowires and titanium dioxide “sponges” that help convert photons to electrons and then ferry those ele

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Submitted Feb 04, 2012 By: NHLiveFree

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DanMtz Champion Author Oakland Posts:1,512 Points:878,575 Joined:Oct 2009	Message Posted: Feb 5, 2012 1:59:45 PM Ignore DanMtz Report Abuse Practical applications are way down the road.
OmeGas Rookie Author Twin Cities Posts:48 Points:589,910 Joined:Jul 2010	Message Posted: Feb 5, 2012 12:06:36 PM Ignore OmeGas Report Abuse interesting
matman01 Champion Author Detroit Posts:12,763 Points:1,605,530 Joined:May 2007	Message Posted: Feb 5, 2012 10:58:51 AM Ignore matman01 Report Abuse I was disappointed to learn that Dow had abandoned their solar panel roofing shingles. I wouldn't touch a panel like this article states as grass degrades rapidly in a short period of time.
drpepperTX Champion Author Texas Posts:4,898 Points:390,345 Joined:Apr 2011	Message Posted: Feb 5, 2012 12:45:12 AM Ignore drpepperTX Report Abuse Sounds like someone wants us to go back to sod roofing. ;=)
NHLiveFree Champion Author New Hampshire Posts:8,022 Points:1,270,040 Joined:Jun 2008	Message Posted: Feb 4, 2012 11:13:04 PM Ignore NHLiveFree Report Abuse Exactly rocky.... and the National Arbor Day Foundation is a great proponent. Sign up with them and plant 10 trees this spring.
NHLiveFree Champion Author New Hampshire Posts:8,022 Points:1,270,040 Joined:Jun 2008	Message Posted: Feb 4, 2012 11:10:43 PM Ignore NHLiveFree Report Abuse It is an ENERGY related news article that follows the posting guidelines here murph77.. If you have no interest in energy articles, then just don't read them or post a comment. No biggie.
NHLiveFree Champion Author New Hampshire Posts:8,022 Points:1,270,040 Joined:Jun 2008	Message Posted: Feb 4, 2012 11:07:56 PM Ignore NHLiveFree Report Abuse remainder of this brief article - "and then ferry those electrons away as current. But you were waiting for the other shoe to drop, and now it shall: the conversion efficiency of Mershin’s paintable solar panel is just one-tenth of one percent. To even begin to make an impact, a solar panel needs an efficiency many, many times greater than that. But it’s a starting place, and to sweeten the deal the technology is cheap. Mershin hopes now that he’s put the technology in play, he or others will be able to build on it. More over at ExtremeTech." This is only a start in one more alternative for true renewable energy at a reasonable cost. That is simply what research and development is all about. At least this researcher is off his duff and working on improvements rather than just voicing the negative and complaining here. If you are unable to contribute to advancements for us, please don't complain about those that are, like Mr. Mershin. Please have some respect for his intelligent and ambitious efforts.
99dakota Champion Author Providence Posts:6,236 Points:1,808,150 Joined:Oct 2006	Message Posted: Feb 4, 2012 10:19:19 PM Ignore 99dakota Report Abuse sounds too good to be true...
99dakota Champion Author Providence Posts:6,236 Points:1,808,150 Joined:Oct 2006	Message Posted: Feb 4, 2012 10:19:18 PM Ignore 99dakota Report Abuse sounds too good to be true...
murph777 Veteran Author Miami Posts:323 Points:64,955 Joined:Jan 2012	Message Posted: Feb 4, 2012 10:16:19 PM Ignore murph777 Report Abuse Not sure what this has to do with cars, oil, MPG. Maybe we can put clippings on our car roof?
BobBG Veteran Author Albany Posts:447 Points:578,850 Joined:Nov 2005	Message Posted: Feb 4, 2012 9:28:38 PM Ignore BobBG Report Abuse Interesting but does it really work?
rocky23hy Champion Author Massachusetts Posts:2,547 Points:1,715,625 Joined:Sep 2003	Message Posted: Feb 4, 2012 8:13:18 PM Ignore rocky23hy Report Abuse Tree's have been storing solar energy for a billion years. Why don't we have a national planting policy.
gasokie Champion Author Oklahoma Posts:2,696 Points:1,047,420 Joined:May 2007	Message Posted: Feb 4, 2012 7:17:00 PM Ignore gasokie Report Abuse another real dumb idea.
schatzila Champion Author Los Angeles Posts:3,227 Points:676,065 Joined:Jun 2010	Message Posted: Feb 4, 2012 7:15:30 PM Ignore schatzila Report Abuse LOVE it!
esq262 Champion Author Asheville Posts:1,176 Points:294,565 Joined:Jul 2011	Message Posted: Feb 4, 2012 7:14:53 PM Ignore esq262 Report Abuse No sure how practical this will be.
Alfied Champion Author Riverside Posts:6,114 Points:1,397,935 Joined:Jun 2001	Message Posted: Feb 4, 2012 6:49:24 PM Ignore Alfied Report Abuse Won't work for me.
EZExit Champion Author Phoenix Posts:7,338 Points:1,343,315 Joined:Aug 2008	Message Posted: Feb 4, 2012 6:48:33 PM Ignore EZExit Report Abuse Don't hold your breath for this one, 1.5% efficiency doesn't mean squat. While the headline of this graduate thesis data dump sounds cool, the methane from the same grass clippings decomposing offers more potential energy. If the industry struggles to get investors for solar panels with 17.64% efficiency, so much so that the federal government bankrolls the industry, the 1.5% efficiency and $3 will get you a cup of coffee at Starbucks.
nurdco Champion Author Colorado Springs Posts:7,211 Points:1,329,335 Joined:Apr 2008	Message Posted: Feb 4, 2012 5:12:16 PM Ignore nurdco Report Abuse How Green is this grass solar array???
BudsterMO Champion Author Kansas City Posts:1,900 Points:345,705 Joined:Aug 2009	Message Posted: Feb 4, 2012 3:50:54 PM Ignore BudsterMO Report Abuse Yet another "coming soon" project out of the R&D Dept. ZZZZZZZZZZZZZZZZZZZZZZ.
apiergallini Veteran Author North Carolina Posts:347 Points:161,910 Joined:Mar 2011	Message Posted: Feb 4, 2012 3:50:05 PM Ignore apiergallini Report Abuse Sounds like a great idea. It'll be a while before it's efficient enough for people to use, but this is a nice start.
TXRanger09 Champion Author Dallas Posts:1,405 Points:627,015 Joined:May 2009	Message Posted: Feb 4, 2012 2:51:28 PM Ignore TXRanger09 Report Abuse Like Mr. Mershin said, "this gives someone a place to build from."
19sheldon43 Champion Author Los Angeles Posts:2,833 Points:618,870 Joined:Jul 2009	Message Posted: Feb 4, 2012 2:04:14 PM Ignore 19sheldon43 Report Abuse Ok put your money were your mouth is. Don't spend a lot of time and money on research grants and don't over think it
Bud122CA Champion Author California Posts:5,721 Points:1,248,250 Joined:Jul 2008	Message Posted: Feb 4, 2012 1:53:02 PM Ignore Bud122CA Report Abuse Some day??
zaq001 Champion Author Atlanta Posts:2,136 Points:1,109,905 Joined:Oct 2008	Message Posted: Feb 4, 2012 1:38:08 PM Ignore zaq001 Report Abuse Wow. different
honkerman Champion Author San Jose Posts:34,893 Points:2,032,320 Joined:Jul 2004	Message Posted: Feb 4, 2012 1:32:39 PM Ignore honkerman Report Abuse Gotta get my lawn growing more! (;-)))
red5529 Champion Author Alabama Posts:2,477 Points:1,098,710 Joined:Mar 2008	Message Posted: Feb 4, 2012 1:32:01 PM Ignore red5529 Report Abuse Great idea.
snappytom2 Champion Author Corpus Christi Posts:2,141 Points:200,055 Joined:Jul 2008	Message Posted: Feb 4, 2012 1:29:45 PM Ignore snappytom2 Report Abuse Progress takes time. The Wright brothers first airplane could not fly across the Atlantic ocean. It was not until 1927, that Lindberg did the deal. That was 24 years after after the Wright brothers first became airborne. Patience, people, patience.
bigmace111 All-Star Author Albany Posts:938 Points:261,225 Joined:May 2011	Message Posted: Feb 4, 2012 1:26:40 PM Ignore bigmace111 Report Abuse Who knew that yard waste could electrocute you?
giselmey Rookie Author El Paso Posts:92 Points:223,145 Joined:Jul 2011	Message Posted: Feb 4, 2012 1:25:05 PM Ignore giselmey Report Abuse Promising.
majorben Champion Author New York Posts:6,085 Points:1,222,305 Joined:Nov 2008	Message Posted: Feb 4, 2012 1:24:41 PM Ignore majorben Report Abuse interesting if it is efficient
m105 Rookie Author Charlotte Posts:9 Points:508,930 Joined:May 2005	Message Posted: Feb 4, 2012 1:24:18 PM Ignore m105 Report Abuse Don't step on it or it'll electricute you.
RedskinGas All-Star Author Tennessee Posts:955 Points:914,690 Joined:Jun 2006	Message Posted: Feb 4, 2012 1:23:26 PM Ignore RedskinGas Report Abuse Lets see how it does in mass production.
2gjh Champion Author North Dakota Posts:2,586 Points:2,278,115 Joined:Nov 2003	Message Posted: Feb 4, 2012 1:23:18 PM Ignore 2gjh Report Abuse I didn't see it at Radio Shack or Lowes.
remay Champion Author Houston Posts:5,207 Points:1,757,170 Joined:May 2006	Message Posted: Feb 4, 2012 1:22:40 PM Ignore remay Report Abuse "But you were waiting for the other shoe to drop, and now it shall: the conversion efficiency of Mershin’s paintable solar panel is just one-tenth of one percent. To even begin to make an impact, a solar panel needs an efficiency many, many times greater than that. But it’s a starting place,..." Couldn't have stated it better...
qwerty17 Champion Author New Jersey Posts:2,032 Points:770,075 Joined:Oct 2009	Message Posted: Feb 4, 2012 1:21:44 PM Ignore qwerty17 Report Abuse "mr. fusion" is coming to a delorean near you. 88 gigawatts is all it takes.
djm5x9 Champion Author Atlanta Posts:1,843 Points:492,805 Joined:Nov 2010	Message Posted: Feb 4, 2012 1:21:36 PM Ignore djm5x9 Report Abuse OK.
ds531 Champion Author Texas Posts:1,048 Points:230,675 Joined:Sep 2011	Message Posted: Feb 4, 2012 1:17:31 PM Ignore ds531 Report Abuse humm
silverbullet90 All-Star Author Florida Posts:834 Points:315,305 Joined:Apr 2011	Message Posted: Feb 4, 2012 1:16:48 PM Ignore silverbullet90 Report Abuse Cool
WebGabe All-Star Author Pennsylvania Posts:507 Points:131,830 Joined:Jun 2007	Message Posted: Feb 4, 2012 1:16:24 PM Ignore WebGabe Report Abuse Maybe someday.
jmdk721 All-Star Author Missouri Posts:676 Points:281,395 Joined:Jul 2011	Message Posted: Feb 4, 2012 1:16:03 PM Ignore jmdk721 Report Abuse Cool, so can I paint my yard, and I don't have to now and I make power
thuathienhue Champion Author Michigan Posts:1,676 Points:292,925 Joined:Jul 2011	Message Posted: Feb 4, 2012 1:15:48 PM Ignore thuathienhue Report Abuse Kinda neat.
WalkingWV Champion Author West Virginia Posts:2,374 Points:509,795 Joined:May 2008	Message Posted: Feb 4, 2012 1:15:25 PM Ignore WalkingWV Report Abuse Sounds great, if it works.
themaninthehat Champion Author New Orleans Posts:1,517 Points:402,525 Joined:Feb 2011	Message Posted: Feb 4, 2012 1:14:10 PM Ignore themaninthehat Report Abuse Progress
payogie Champion Author Atlanta Posts:1,047 Points:301,510 Joined:Feb 2005	Message Posted: Feb 4, 2012 1:13:35 PM Ignore payogie Report Abuse Maybe on your house!
Tru2psu2 Champion Author Winston-Salem Posts:11,821 Points:1,220,575 Joined:Feb 2004	Message Posted: Feb 4, 2012 1:12:49 PM Ignore Tru2psu2 Report Abuse interesting!
Rans35PG Champion Author Modesto Posts:1,159 Points:667,325 Joined:Oct 2008	Message Posted: Feb 4, 2012 1:12:25 PM Ignore Rans35PG Report Abuse a START in a new direction
dan30thz28 Champion Author New Jersey Posts:4,181 Points:1,635,720 Joined:Feb 2006	Message Posted: Feb 4, 2012 1:12:18 PM Ignore dan30thz28 Report Abuse Awesome when this is a commercially available product.
Retowered Champion Author Colorado Posts:6,724 Points:2,320,340 Joined:May 2004	Message Posted: Feb 4, 2012 1:11:19 PM Ignore Retowered Report Abuse That would be good. But at what cost?
Donnade Rookie Author Anchorage Posts:30 Points:624,525 Joined:Nov 2008	Message Posted: Feb 4, 2012 1:11:14 PM Ignore Donnade Report Abuse I'm glad there are people who want to find better solutions that don't require more and more fuel--keep on experimenting to find viable options.
Sam195 Champion Author San Bernardino Posts:6,260 Points:1,214,875 Joined:Oct 2008	Message Posted: Feb 4, 2012 1:09:44 PM Ignore Sam195 Report Abuse That's just great.