thin solar panels
June 22, 2008 by SolarInfo
Filed under solar power energy
thin solar panels
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Hard on the heels of the news that renewable energy now leads fossil fuel production in terms of investment, companies like Xunlight are demonstrating thin-film silicon solar manufacturing capability in the hopes of capturing market share from rigid silicon solar panel manufacturers. For Xunlight, the manufacturing process involves imprinting amorphous silicon solar cells on sheets of stainless steel so thin you can roll them up like a blueprint. And, in a sense, they are - a blueprint for building integrated photovoltaics (BIPV) that promises more solar surfaces faster and cheaper.
Xunlight's manufacturing process creates solar "sheets" 36 inches wide and up to a mile long, using a nine-layer, chemical vapor deposition process for the semiconductor materials, plus a bottom reflective layer and a surface electrode layer via the sputtering process. The resulting sheet, one hundred times thinner than a typical piece of paper, uses only a limited amount of silicon to create triple-junction solar cells.
These amorphous (without crystalline configuration) solar cells are much cheaper to manufacture, thus offering truly affordable solar energy in a lightweight format that can be used on many surfaces, from backpacks to buildings, to generate electricity.
Their drawback is an 8-percent efficiency rating, which is significantly lower than traditional, crystalline silicon panels at about 20 percent. Xunlight reportedly achieved the efficiency by incorporating three different materials (amorphous silicon, amorphous silicon germanium, and nanocrystalline silicon) that capture light in different wavelengths, overcoming bandgap deficiencies in other thin films and crystalline solar cells using only one primary material.
In fact, efficiency ratings are the single drawback of thin-film solar - a drawback that tends to overshadow their usefulness in so many applications given their flexibility. This is due to the inherent nature of amorphous silicon, which is less structurally reliable, resulting in degradation in the presence of sunlight or at high temperatures. Some concentrating solar technologies which promise to overcome this inefficiency are still on the drawing board.
Xunlight now joins the thin-film race with several other companies (Heliovolt, Nanosolar and United Solar Ovonic) to achieve thin film with efficiencies that match crystalline solar. Xunlight has an advantage in its high volume, roll-to-roll technique, but the two former companies are using copper indium gallium selenide (CIGS), which is competitive with crystalline solar in terms of efficiency. Unfortunately, no one has yet been able to make a cheap product in volume because CIGS is so difficult to work with.
Thin film as it currently stands also carries the inherent risk of easier permeability and combustibility, but solar installers envision a day when they can carry rolls of thin film up to a roof, install it, and have a watertight roof that is also aesthetically pleasing to homeowners. And thanks to the American Recovery and Reinvestment Act of 2009, millions in funding await entrepreneurs who think they can achieve that goal.
Cooler Planet is a leading solar resource for connecting consumers and commercial entities with local solar Installers. Cooler Planet's solar energy resource page contains articles and tools about solar panels to help with your solar project.
Solar energy / Thin-film silicon solar cells - Arvind Shah / Epflpress.com
| 100w flexible solar panel thin film solar panel semi flexible semi-flexible | ![]() |
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US $529.00 | 21d 12h 24m |
| EPOXY RESIN ULTRA CLEAR VERY THIN HEAT STABLE OUTDOOR SOLAR PANEL USE 1.5GAL KIT | ![]() |
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US $95.55 | 25d 1h 35m |
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US $129.00 | 11d 8h 47m |
| 5W solar panel monocrystal,Solar battery charger 12v system,thin2.5mm,light. | ![]() |
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US $26.00 | 6h 11m |
| Two 5 Watt 18V Thin Film Solar Panel RV Battery Charger Kit w/ Alligator Clips | ![]() |
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US $59.99 | 12d 10h 34m |
| 20W mono solar panel semi flexible solar panel thin film solar module | ![]() |
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US $99.00 | 27d 13h 45m |
| 20W mono solar panel semi flexible solar panel thin film solar module | ![]() |
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US $169.00 | 27d 13h 45m |
| 20W mono solar panel semi flexible solar panel thin film solar module | ![]() |
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US $321.10 | 27d 13h 45m |
| 20W mono solar panel semi flexible solar panel thin film solar module | ![]() |
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US $799.00 | 27d 13h 45m |
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US $140.00 | 25d 17h 6m |
| 200W(2*100w) poly flexible solar panel 12v, 100watt 12volt thin film pv module | ![]() |
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US $490.50 | 25d 13h 32m |
| Centrotherm Type DO 2.400-260-CANtrol Sintering Furnace / Thin Film Solar Panel | ![]() |
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US $5,995.00 | 25d 6h 52m |
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US $399.00 | 22d 6h 47m |
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US $179.00 | 21d 13h 47m |
| 40w mono solar panel semi-flxible solar thin film solar module semi flexible | ![]() |
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US $286.00 | 21d 13h 47m |
| 40w mono solar panel semi-flxible solar thin film solar module semi flexible | ![]() |
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US $509.20 | 21d 13h 47m |
| 40w mono solar panel semi-flxible solar thin film solar module semi flexible | ![]() |
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US $663.00 | 21d 13h 47m |
| 40w mono solar panel semi-flxible solar thin film solar module semi flexible | ![]() |
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US $1,263.00 | 21d 13h 47m |
| mono solar panel 50W 12V flexilble solar panel semi-flexible thin film module | ![]() |
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US $205.00 | 21d 13h 36m |
| mono solar panel 50W 12V flexilble solar panel semi-flexible thin film module | ![]() |
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US $325.00 | 21d 13h 36m |
| mono solar panel 50W 12V flexilble solar panel semi-flexible thin film module | ![]() |
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US $617.50 | 21d 13h 36m |
| mono solar panel 50W 12V flexilble solar panel semi-flexible thin film module | ![]() |
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US $812.50 | 21d 13h 36m |
| mono solar panel 50W 12V flexilble solar panel semi-flexible thin film module | ![]() |
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US $1,610.00 | 21d 13h 36m |
| 100w flexible solar panel thin film solar panel semi flexible semi-flexible | ![]() |
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US $270.00 | 21d 12h 24m |
| 100w flexible solar panel thin film solar panel semi flexible semi-flexible | ![]() |
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US $1,019.00 | 21d 12h 24m |
| 100w flexible solar panel thin film solar panel semi flexible semi-flexible | ![]() |
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US $2,039.00 | 21d 12h 24m |
| First Solar FS-272 PV Solar Panel 72 Watt Thin Film CdTe Photovoltaic | ![]() |
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US $134.00 | 20d 49m |
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US $199.95 | 15d 22h 3m |
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US $179.95 | 15d 21h 47m |
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US $179.95 | 15d 21h 26m |
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US $60.00 | 7d 14h 1m |
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US $19.95 | 9d 20h 17m |
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US $437.00 | 1d 11h 18m |
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US $19.95 | 6d 23h 48m |
| 160W 2x80W SemiFlexible solar panels ideal panel for car boat varavan light thin | ![]() |
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US $437.00 | 2d 18h 42m |
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US $259.00 | 1d 14h |
| 80w poly flexible solar panel semi-flexible solar module thin film solar panel | ![]() |
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US $437.00 | 1d 14h |
| 80w poly flexible solar panel semi-flexible solar module thin film solar panel | ![]() |
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US $830.30 | 1d 14h |
| 80w poly flexible solar panel semi-flexible solar module thin film solar panel | ![]() |
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US $1,047.00 | 1d 14h |
| 80w poly flexible solar panel semi-flexible solar module thin film solar panel | ![]() |
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US $1,230.00 | 1d 14h |
| Powersheet Ultra Light Thin flexible Solar Panel | ![]() |
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US $2.49 | 1d 8h 28m |
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US $35.99 | 4h 31m |
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US $299.00 | 20d 6h 43m |
| 31W 7.5V Thin Film Flexible solar panel | ![]() |
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US $153.16 | 1d 9h 30m |


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