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Sandia National Laboratories has come up with an inexpensive way to synthesize titanium-dioxide nanoparticles and is seeking partners who can demonstrate the process at industrial scale for everything from solar cells to light-emitting diodes (LEDs).
Is it a solar cell? Or a rechargeable battery? Actually, the patent-pending device invented at The Ohio State University is both: the world’s first solar battery.
June 27, 2003 [SolarAccess.com] International Automated Systems (IAS) has signed a letter of intent with Titanium Resources, Alberta, Canada (TRC) to design, build, install and operate the world’s first solar heat collection system, bladeless turbine and ancillary systems. TRC will own and operate the US$360 million solar electric plant constructed by IAS. The plant will operate year round at a […]
[The New Paltz Oracle] When most people say they are building a car, they usually mean a six inch wooden car, like seventh grade woodshop model cars. The Solar Car Club is thinking bigger than that, much bigger. They plan to build a full-sized solar car. The solar car will run completely on solar energy, which is converted and then […]
A promising tool for enabling more widespread use of solar energy is the use of nanotechnology to improve the efficiency of a photovoltaic cell’s conversion of energy from visible photons to electrons. In 2001, power-conversion efficiencies of 11% were reported from photoelectrochemical cells constructed from nanocrystalline materials and conducting polymer films. Now, researchers at the University of Notre Dame (Notre Dame, IN) have developed a solar cell made from cadmium selenide (CdSe) quantum dots assembled onto titanium dioxide (TiO2) films.
A group at Yonsei University has determined that laser welding of dye-sensitized solar cell (DSSC) interfaces improves the cells' efficiency by up to 65%, making cell efficiency hit 11.2%.
Two recent breakthroughs have lowered the cost of solar power and may revolutionize the PV industry.
A dramatic improvement in the efficiency rates of dye-sensitized solar cells (DSC) has been discovered in Washington. Researchers at the University of Washington (UW) have found that by using a popcorn-ball design -- tiny kernels clumped into much larger porous spheres -- they have the ability to manipulate light and more than double the efficiency of converting solar energy to electricity.
In the race to make solar cells cheaper and more efficient, many researchers and start-up companies are betting on new designs that exploit nanostructures -- materials engineered on the scale of a billionth of a meter. Using nanotechnology, researchers can experiment with and control how a material generates, captures, transports, and stores free electrons -- properties that are important for the conversion of sunlight into electricity.
Solar cell technology developed by Massey University's Nanomaterials Research Centre in New Zealand may one day enable the country's residents to generate electricity from sunlight at a tenth of the cost of current silicon-based photovoltaic solar cells. Dr. Wayne Campbell and researchers in the Centre have developed a range of colored dyes for use in dye-sensitized solar cells.