Originally published in Interiors & Sources

10/06/2010

Nanoscale-Thin Film Increases Solar Efficiency by Factor of 10

 
Nanoscale-Thin Film Increases Solar Efficiency by Factor of 10

Research by Stanford engineers indicates that ricocheting light inside a polymer film of a solar cell behaves differently when the film is ultra thin. This nanoscale-thin film that has been roughed up can absorb more than 10 times the energy predicted by conventional theory.

Keeping sunlight in the grip of the solar cell long enough to get the maximum amount of energy from it by using a technique called “light trapping” is what helps to overcome the theoretical limit.

“The longer a photon of light is in the solar cell, the better chance the photon can get absorbed,” says Shanhui Fan, associate professor of electrical engineering. The efficiency of a material to absorb sunlight is important in determining the overall efficiency of solar energy conversion.

Nanoscale solar cells offer a savings in material costs because the organic polymer thin films and other materials are less expensive than silicon. Also, as they are nanoscale, the cells require much smaller quantities. In addition, the organic materials are manufactured in chemical reactions in solution instead of the high-temperature or vacuum processing needed for silicon manufacturing.


 


Visit our website today to learn about the design flexibility of a Morton building and the endless possibilities of partnering with our designBUILD team.


Wood construction is both cost and energy efficient. Check out Morton Buildings and our designBUILD team online today to discover all the benefits of post-frame construction.


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Tennant Company is a recognized leader in designing, manufacturing and marketing solutions that help create a cleaner, safer, healthier world. With thousands of satisfied customers already using award winning ec-H2O technology, why not see what you're missing? Test ec-H2O on your soils in your facility. Get a free demo.

 

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Visit our website today to learn about the design flexibility of a Morton building and the endless possibilities of partnering with our designBUILD team.


Wood construction is both cost and energy efficient. Check out Morton Buildings and our designBUILD team online today to discover all the benefits of post-frame construction.


When choosing a metal-clad building for your next construction project, consider Morton Buildings, Inc., and their designBUILD team, we’ll make your dream a reality.

We Can Help You Reduce Energy by 30%

Our mission is to help our customers manage their buildings' energy costs, improve reliability, and enhance performance while having a positive impact on the environment.
CLICK HERE to find out how.

 


Tennant Company is a recognized leader in designing, manufacturing and marketing solutions that help create a cleaner, safer, healthier world. With thousands of satisfied customers already using award winning ec-H2O technology, why not see what you're missing? Test ec-H2O on your soils in your facility. Get a free demo.


Tennant Company is a recognized leader in designing, manufacturing and marketing solutions that help create a cleaner, safer, healthier world. With thousands of satisfied customers already using award winning ec-H2O technology, why not see what you're missing? Test ec-H2O on your soils in your facility. Get a free demo.

 

Replace core drilling with Connectrac In-Carpet and On-Floor Wireways, the proven connectivity solution in open interior spaces of all kinds. These elegant low-profile wireways are great for AV / telecom connectivity wherever it’s needed.

 

Add highly responsive multi-zone comfort to any building project, in any climate. Our CITY MULTI H2i R2- and Y-Series VRF systems give you flexibility to fit the needs of any building. Enjoy 100% heating capacity at 0°F outdoor ambient, and 85% heating capacity at -13°F outdoor ambient.  For more information, log on to www.mitsubishipro.com


 
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