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Perfecting a solar cell by adding imperfections
Nanotechnology is paving the way toward improved solar cells. New research shows that a film of carbon nanotubes may be able to replace two of the layers normally used in a solar cell, with improved performance at a lower cost. Researchers have found a surprising way to give the nanotubes the properties they need: add defects. view more (2008-06-17)
Star on a Hubble diet
How heavy can a star be? This conundrum has haunted astronomers for decades. Theory indicates that there should be an upper stellar mass limit somewhere between 120 and 300 solar masses. Even though heavy stars are very bright, measurements of their masses can be complicated. view more (2006-12-12)
Ancient diatoms lead to new technology for solar energy
Engineers at Oregon State University have discovered a way to use an ancient life form to create one of the newest technologies for solar energy, in systems that may be surprisingly simple to build compared to existing silicon-based solar cells. view more (2009-04-09)
Major grant drives forward cost efficient solar power
Whether the search for alternative energy sources is driven by our concern about global fossil fuel supplies or over the atmospheric effects of burning of fossil fuels, the government has laid out its aim to cut carbon dioxide emissions by 60% of 1990 levels by 2050, and aims to over- achieve its goal of sourcing 10% of energy from renewables by... view more... (2004-09-14)
Winds of 320 000 kilometres per hour on the Sun
The SUMER instrument on the ESA-NASA SOHO spacecraft has measured amazing wind speeds during its observations of the Sun. It sets a new record in its examination of two loops of gas arching in the solar atmosphere, where NASA`s TRACE satellite spotted bright blobs of gas. Shifts in the wavelength of ultraviolet light from highly ionized neon... view more... (2002-05-17)
Carbon nanotubes could make efficient solar cells
Using a carbon nanotube instead of traditional silicon, Cornell researchers have created the basic elements of a solar cell that hopefully will lead to much more efficient ways of converting light to electricity than now used in calculators and on rooftops. view more (2009-09-11)
Solar cell manufacturing process examined with a view to increasing cell efficiency
Electricity generated from solar cells is often quoted as being the solution to our climate problems. Unfortunately, this method of energy generation is quite inefficient. Overcoming this inefficiency is key to the widespread commercial acceptance of solar energy. view more (2006-04-03)
Solar Contribution To 'Global Warming' Predicted To Decrease
New research on the sun's contribution to global warming is reported in this month's Astronomy & Geophysics. By looking at solar activity over the last 11,000 years, British Antarctic Survey (BAS) astrophysicist, Mark Clilverd, predicts that the sun's contribution to warming the Earth will reduce slightly over the next 100 years. This is a... view more... (2003-10-01)
Philips patents TU Eindhoven's energy return system
An increasing number of private individuals supply their excess energy, from external energy sources (windmills and solar cells), to the electricity grid and only take energy from the grid when necessary. view more (2008-01-25)
Glowing Accolade For Scottish Solar Physicist
A University of St Andrews solar physicist has been awarded one of the world's most prestigious accolades for his shining contribution to solar theory. Professor Eric Priest of the School of Mathematics and Statistics was this week awarded the Hale Prize 2002, usually awarded every two years by the American Astronomical Society (AAS). It is the... view more... (2002-06-07)
Silicon Thin-Film Solar Cells Gaining In Efficiency
An important goal of modern energy research is to directly convert sunlight into electricity at low cost. Silicon thin-film solar cells promise comparatively lower costs than conventional solar cells. However, to become a mass product of the future, the efficiencies of large-area modules must climb from currently about 6 to 7 percent to 10 percent... view more... (2002-08-08)
Cost Competitive Electricity from Photovoltaic Concentrators Called 'Imminent'
Solar concentrators using highly efficient photovoltaic solar cells will reduce the cost of electricity from sunlight to competitive levels soon, attendees were told at a recent international conference on the subject. Herb Hayden of Arizona Public Service (APS) and Robert McConnell and Martha Symko-Davies of the U.S. Department of Energy's... view more... (2005-07-18)
'Thin-layer' solar cells may bring cheaper 'green' power
Scientists are researching new ways of harnessing the sun's rays which could eventually make it cheaper for people to use solar energy to power their homes. view more (2007-08-24)
Popcorn-ball design doubles efficiency of dye-sensitized solar cells
A new approach is able to create a dramatic improvement in cheap solar cells now being developed in laboratories. view more (2008-04-11)
Vision of European children on sustainability
The world's fastest solar car Nuna 2 will travel through Europe from May 29th untill June 11th: 6500 kilometres from Greece to Portugal, through Western Europe. Never before has a car driven this distance without using a single drop of fuel. Nuna 2 was designed and built by Dutch students and it features the newest in technology to make it as... view more... (2004-05-11)
Think solar not nuclear for the energy of the future, say scientists
Solar rather than nuclear energy should be the UK government's priority in planning future energy production, according to scientists writing today in the journal Nature Materials. view more (2006-03-01)
Plastics that convert light to electricity could have a big impact
Researchers the world over are striving to develop organic solar cells that can be produced easily and inexpensively as thin films that could be widely used to generate electricity. view more (2009-08-05)
Toward better solar cells: Chemists gain control of light-harvesting paths
University of Florida chemists have pioneered a method to tease out promising molecular structures for capturing energy, a step that could speed the development of more efficient, cheaper solar cells. view more (2009-10-09)
Story ideas surrounding the eclipse
Sun cults: New research indicates that the origin of Apollo, the Greek sun God, is to be found in northern Europe and not in Middle East as previously thought. Furthermore, the Ancient Greeks saw solar eclipses as a display of "Girl Power!", according to Roger Doonan, from Bournemouth University. The ancient Greeks would have explained the eclipse... view more... (1999-08-09)
Stock Market Swings Help Researchers Understand Extreme Events in Solar Wind
Astrophysicists at the University of Warwick have applied data analysis methods used to model stock market fluctuations, to explore changes in the solar wind (the sun's expanding atmosphere). They have discovered that the fluctuations in the solar wind follow the same kinds of patterns seen in the stock markets - particularly when it comes to the... view more... (2002-07-25)
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