Archives :: Chementator :: Solar
December 1, 2011
Using an array of lamps inside a highly reflective chamber, the optical cavity furnace (OCF) takes advantage of photonics effects to help manufacture solar photovoltaic cells with higher efficiency than those made by conventional rapid-thermal-processing (RTP) methods. In addition, the OCF can reduce cost and raise efficiency of the manufacturing process itself. Scientists at the U.S. Dept. of...
August 1, 2011
The use of solar energy to split water into hydrogen and oxygen is an appealing idea, given that sunlight is abundant in many parts of the world, but one of the challenges to its development is to find a suitable electrode material. Silicon, the popular photovoltaic material, seems like a logical choice, but when it is exposed to O2 it is rapidly...
May 1, 2011
A solar cell made of carbon nanotube (CNT) fiber has been demonstrated by researchers from Fudan University (Shanghai; www.fudan.edu.cn). University professor Huisheng Peng says, “For the fibers we use, the carbon nanotubes exhibit a high degree of alignment with much improved mechanical and electrical properties. Therefore those fibers greatly enhance the short current density, open voltage, and the...
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