P-type and N-type Material for Solar Cell

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Noudge79 Guru Join Date: Feb 2011 Posts: 1119 Good Answers: 11	P-type and N-type Material for Solar Cell 06/14/2015 11:03 AM
	Hi, what could be a good substitute p-type and n-type material for solar cell application- instead of doped silicon based materials? __________________ " To infinity and beyond" - Buzz Lightyear
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Anonymous Poster #1	#1 Re: P-type and N-type Material for Solar Cell 06/14/2015 11:31 AM
	Sorry--proprietary.
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SolarEagle Guru Join Date: Mar 2007 Location: by the beach in Florida Posts: 32560 Good Answers: 1782	#2 Re: P-type and N-type Material for Solar Cell 06/14/2015 12:53 PM
	Might do a little reading here... https://en.wikipedia.org/wiki/Perovskite_(structure) https://en.wikipedia.org/wiki/Perovskite_solar_cell http://www.pv-magazine.com/news/details/beitrag/perovskite-flaws-revealed--points-to-major-efficiency-upside_100019416/#axzz3d3VPMlnv __________________ All living things seek to control their own destiny....this is the purpose of life
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Rixter Guru Join Date: Apr 2010 Location: About 4000 miles from the center of the earth (+/-100 mi) Posts: 9458 Good Answers: 1081	#3 Re: P-type and N-type Material for Solar Cell 06/14/2015 4:51 PM
	A lot of people are working on that same question. Really cheap solar cells would be a game changer.
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Del the cat Guru Join Date: May 2007 Location: Harlow England Posts: 16505 Good Answers: 667	#4 In reply to #3 Re: P-type and N-type Material for Solar Cell 06/15/2015 4:21 AM
	I'm currently working on one based on random household materials coated with cat wub. No decent results, but I've rubbed a lot of stuff Maybe it needs an equivalent thread to the Junk Yard Battery Contest? Del __________________ health warning: These posts may contain traces of nut.
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Noudge79 Guru Join Date: Feb 2011 Posts: 1119 Good Answers: 11	#5 In reply to #3 Re: P-type and N-type Material for Solar Cell 06/15/2015 6:34 AM
	Yes, I also thought that would be a great idea. Material which could be found at home, may be a couple steps of modification or process and innovation, solar energy will be cheap and convenience, typically in the tropics, I should say. __________________ " To infinity and beyond" - Buzz Lightyear
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Bill H. Power-User Join Date: May 2007 Location: Hurst, Texas Posts: 178 Good Answers: 4	#6 Re: P-type and N-type Material for Solar Cell 06/15/2015 11:17 AM
	Titanium oxide (white paint pigment) and berry juice. (No Kidding!) Instructions for building your own Gratzel solar cell: http://teachers.usd497.org/agleue/Gratzel_solar_cell%20assets/instructions%20for%20making%20the%20gratzel%20cell.htm __________________ Bill H.
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James Stewart Guru Join Date: Mar 2011 Location: Lubbock, Texas Posts: 14331 Good Answers: 161	#7 In reply to #6 Re: P-type and N-type Material for Solar Cell 06/17/2015 12:24 PM
	That seems pretty interesting, I did not however see any mention of cell efficiency? Perovscite analog minerals having to do with lead iodide seem to have a high efficiency limits, compare favorably with silicon, and cadmium telluride types. I have been working some with cells that are not particularly light sensitive, but are quite sensitive to temperature conditions, where the output resistance can conveniently be as low as a few ohms on a 1 ft square sheet of materials. One type offers about 1.5 V open circuit, while another offers a bit under a volt. I am still working on this confidentially, and will not share further until we are certain of how it works, why it works, how to engineer better devices of this type, and the likely sources of heat, and points of application. I can say that cells of this type will have a pretty long service life in general, once a few minor bugs are solved. __________________ If it ain't broke, don't fix it. Just build a better one.
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