2012年9月3日星期一

Novel Technique to Synthesize Nanocrystals that Harvest Solar Energy


One of the many reasons that solar energy has not been as widely adopted as many of us would have hoped is due to a technical limitation in the materials used; simply put, by virtue of being light-absorbing,Now, you'll find several distinct kinds of solar battery chargers, at the same time as distinct sorts of batteries China Power Bank Wholesalers may desire to charge. Some photo voltaic chargers are far more potent than other people. As all solar battery chargers use some style of photo voltaic panel, the amount of power they produce normally is determined by the size in the panels. Solar panels are produced up of individual solar cells. they're not as durable as would be necessary to ensure widespread adoption of solar energy as an alternative.However, a new research project has addressed these issues by synthesising two inorganic nanocrystals, each of which is more durable than their organic counterparts. When exposed to light, the two nanocrystals produce hydrogen gas or an electric charge."The main advantage of this technique is that it allows for direct,If you just want to add some fun outdoor solar lights to your garden, there are many to choose from in this category too. China Solar Chargers Wholesalers could create a tropical paradise with a solar pink flamingo or place solar stakes with birds on top around your home in the front and back flower beds. Solar string lights are fun to have inner-twined in your scrubs that adds a beautiful and unique glow. all inorganic coupling of the light absorber and the catalyst," says the leading author Dr. Mikhail Zamkov of Bowling Green State University.
As shown in the image above, the first nanocrystal is rod-shaped, which allows for the charge separation necessary to produce hydrogen gas, and the second is composed of stacked layers and generates electricity. By being nanocrystals and, subsequently, inorganic, they are easier to recharge and less sensitive to heat than their organic counterparts."We have established a new method for making photocatalytic and photovoltaic materials. This is important primarily as a new strategy for making photovoltaic films that are 100% inorganic, thus producing a more stable solar panel. It is a design that you could reach marketability," Dr. Zamkov says."It is important to have these steps documented in a video format, as the synthesis of the photocatalytic nanocrystals and the photovoltaic cells are long procedures with detailed steps. It makes our technique more visible and accessible."
The M-KOPA system consists of a base-station with a solar panel, three lamps and a charging kit for phones—an entire electrical system for a small house that would normally cost around $200. Customers in Kenya pay $30 up front and then pay off the balance in small instalments using their mobile phones. As long as they keep making payments, the system provides free light and power, and eventually they own it outright. Using mobile money as a flexible payment mechanism means that relatives can chip in remotely and allows farmers to vary the size of payments depending on their cashflow. It also provides a mechanism for the government to provide subsidies for households with infants, or children studying for exams. In addition, the base-station provides a payment record which could be used by banks as a credit history when offering loans or mortgages.Employing the solar charger is very straightforward; just plug the charger onto China Solar bag Suppliers laptop computer, expose the surface of the charger from the daylight and it will instantly cost you laptop computer. For quick charging, make certain there is sufficient daylight hitting the surface in the charger. The first commercial units went on sale in June.

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