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Solar Cell

An antireflective film inspired by moth's eyes has been shown to improve the efficiency of...

In order for a solar cell to be as efficient as possible, the last thing it should be is reflective – after all, light should be getting absorbed by it, not being bounced off. With that in mind, a few years ago a group of Japanese scientists set out to create an antireflective film coating for use on solar cells. What they ended up creating utilizes the same principles that are at work in one of nature’s least reflective surfaces: moth’s eyes.  Read More

Researchers at the University of Buffalo have announced a breakthrough that promises to im...

Researchers have made a two-fold breakthrough in advancing renewable energies with the development of a light sensitive dye which transfers electrons more efficiently than conventional technologies. The new dyes stand to be used in solar electricity generation and in creating hydrogen fuel, which in the past has proven expensive and energy hungry.  Read More

Researchers at the University of Twente's MESA  Institute for Nanotechnology has allowed f...

In a new, more efficient approach to solar powered microelectronics, researchers have produced a microchip which directly integrates photovoltaic cells. While harnessing sunlight to power microelectronics isn't new, conventional set-ups use a separate solar cell and battery. What sets this device apart from is that high-efficiency solar cells are placed straight onto the electronics, producing self-sufficient, low-power devices which are highly suitable for industrial serial production and can even operate indoors.  Read More

The GO Collection of solar charging clothing from Silvr Lining

Portable solar chargers like the U-Powered solar charger from Kiwi Choice are a handy way to keep mobile devices like smartphones, cameras and media players topped up with electricity while on the go. But if you’re looking for a more convenient way to carry a solar charger with you then the GO Solar Power Collection line of clothing from Silvr Lining could prove a good fit. It comprises a range of clothing items that feature pockets to house solar panels to charge up mobile electronic devices.  Read More

Sony's dye-sensitized solar cell windows combine smart engineering with beautiful screen p...

At the Eco Products 2010 exhibition in Tokyo this past weekend, Sony showed intentions to bring new meaning to the phrase "flower power" with this beautifully designed Hana Mado, or "Flower Window." The device is actually a dye-sensitized solar cell (DSSC) which converts light into electrical energy.  Read More

An Oriental hornet, whose yellow and brown exoskeleton is able to turn sunlight into elect...

It’s no big mystery why turtles and other reptiles bask in the sun – being cold-blooded animals, they’re gathering heat to warm their bodies, so they can be active. Recently, however, scientists from Israel and the UK discovered that the Oriental hornet has been putting a “high-tech” spin on that model... the outer layers of its body work as a natural photovoltaic cell, converting sunlight to electricity. The scientists then proceeded to create a cell of their own, using the hornet as their inspiration.  Read More

Konarka's flexible and lightweight Power Plastic

While they offer much lower efficiencies than inorganic photovoltaic cells, organic solar cells are cheaper to produce and are lightweight and flexible. This makes them suitable for a wider range of applications than rigid solar cells, including clothing and bags. Konarka has been producing its organic based photovoltaic (OPV) solar cells under the name of Power Plastic for a number of years now and the National Energy Renewable Laboratory (NREL) has just announced that Konarka’s latest organic based photovoltaic (OPV) solar cells have demonstrated a record breaking 8.3 percent efficiency.  Read More

Researchers have created a process to produce a light-absorbing layer on textured substrat...

The idea of boosting the performance of solar cells by coating them with a textured substrate is commonly used in silicon-based cells. The idea is to traps more light so that it bounces around inside the cell instead of reflecting back out, but for a number of reasons, attempts to use textured substrates in polymer solar cells have failed. Now researchers from Iowa State University and the Ames Laboratory have developed a process of producing a thin and uniform light-absorbing layer on textured substrates that improves the efficiency of polymer solar cells by 20 percent.  Read More

Possible model of the Sahara Solar Breeder Project

This is ambition with a capital A. Universities in Japan and Algeria have teamed up on a project that aims to solve the world’s energy problems. Called the Sahara Solar Breeder Project, the plan is to build manufacturing plants around the Sahara Desert and extract silica from sand to make solar panels, which will then be used to build solar power plants in the desert. The power generated by the initial plant or plants would be used to “breed” more silicon manufacturing and solar power plants, which will in turn be used to breed more again, and so on. The ultimate goal is to build enough plants to provide 50 percent of the world’s electricity by 2050, which would be delivered via a global superconducting supergrid.  Read More

Boeing subsidiary Spectrolab has announced it will mass-produce a 39.2 percent efficiency ...

When it comes to solar cells, everyone is chasing the highest conversion efficiency. Although we’ve seen conversion efficiencies of over 40 percent achieved with multi-junction solar cells in lab environments, Boeing subsidiary Spectrolab is bringing this kind of efficiency to mass production with the announcement of its C3MJ+ solar cells which boast an average conversion efficiency of 39.2 percent.  Read More

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