For detecting cancer, manual breast exams seem low-tech compared to other methods such as MRI. But scientists are now developing an "electronic skin" that "feels" and images small lumps that fingers can miss. Knowing the ...
Analytical Chemistry
Sep 10, 2014
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In making a solar cell, scientists etch nanoscale spikes into a silicon wafer in order to maximize its surface area and consequently to maximize the amount of sunlight to reach it. Metal particles have been used as a catalyst ...
Energy & Green Tech
Sep 10, 2014
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This could be a classic win-win solution: A system proposed by researchers at MIT recycles materials from discarded car batteries—a potential source of lead pollution—into new, long-lasting solar panels that provide emissions-free ...
Energy & Green Tech
Aug 18, 2014
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A layer of silicon nanocrystals and erbium ions may help solar cells to extract more energy from the ultraviolet (UV, high-energy) part of the solar spectrum. Experimental physicists from the FOM Foundation, the STW Technology ...
Nanophysics
Aug 13, 2014
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A new paper by University of Notre Dame researchers describes their investigations of the fundamental optical properties of a new class of semiconducting materials known as organic-inorganic "hybrid" perovskites.
Optics & Photonics
Aug 12, 2014
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Dye-sensitized solar cells (DSSCs) rely on dyes that absorb light to mobilize a current of electrons and are a promising source of clean energy. Jishan Wu at the A*STAR Institute of Materials Research and Engineering and ...
Nanomaterials
Jul 30, 2014
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Nano-electronics research center imec, reported today an n-type PERT crystalline silicon (Si) solar cell fabricated on a large area wafer (15.6cm x 15.6 cm) reaching a top conversion efficiency of 21.5 percent (calibrated ...
Energy & Green Tech
Jul 8, 2014
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Increasing the cost-effectiveness of photovoltaic devices is critical to making these renewable energy sources competitive with traditional fossil fuels. One possibility is to use hybrid solar cells that combine silicon nanowires ...
Nanophysics
Jul 2, 2014
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Organic solar modules have advantages over silicon solar cells. However, one critical problem is their shorter operating life. Researchers are working on a promising solution: they are using flexible glass as a carrier substrate ...
Energy & Green Tech
Jun 2, 2014
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(Phys.org) —New research from scientists at the University will help in the development of perovskite solar cells that have the potential to radically revolutionise the solar energy market.
Materials Science
Apr 28, 2014
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