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Technology News


Monday 18th July 2016
While all research in traditional photovoltaics faces the same underlying theoretical limitations, MIT PhD student David Bierman says, “with solar thermal photovoltaics you have the possibility to exceed that.” In fact, theory predicts that in principle this method could more than double the theoretical limit of efficiency, potentially making it possible to deliver twice as much power from a given area of panels.Photo courtesy of MIT.
Thursday 14th July 2016
Graphene quantum dots can improve the efficiency of silicon solar cells.
Thursday 14th July 2016
Stanford scientists improve perovskite solar-cell absorbers by giving them a squeezeTop: A normal perovskite crystal (left) bends and twists after being squeezed between two diamonds. Bottom: The orange perovskite crystal changes colour as pressure is applied, indicating that different wavelengths of light are being absorbed. (Image credit: Adam Jaffe and Yu Lin)
Thursday 7th July 2016
Three types of large-area solar cells made out of two-dimensional perovskites. At left, a room-temperature cast film; upper middle is a sample with the problematic band gap, and at right is the hot-cast sample with the best energy performance. Image courtesy Los Alamos National Laboratory.
Wednesday 27th April 2016
Tuesday 26th April 2016
New research shows nanowires made from gallium arsenide and composed of different crystal structures are formed.
Tuesday 26th April 2016
Oak Ridge National Laboratory scientists combined imaging techniques to measure crystallization kinetics of perovskite films following exposure to a mixed halide vapor. Over time, extra halide reactants settle in the film's grain boundaries, demonstrating atomic competition in crystal growth.
Monday 25th April 2016
CIGSe modules in standard industrial formats have not yet attained the record efficiency demonstrated at laboratory scale. One possible cause: defects that reduce the efficiency level can form during the course of fabrication.
Friday 22nd April 2016
The Goal: Make solar cells cheaper by eliminating silver and lead from manufacturingVanessa L. Pool, a postdoctoral researcher at SLAC’s Stanford Synchrotron Radiation Lightsource, with an instrument used to observe how a solar cell’s silver contacts form during high-temperature manufacturing. (SLAC National Accelerator Laboratory)
Friday 22nd April 2016
A streamlined procedure for assembling the active components of PV devices from inexpensive metals could boost their economic prospects.
Monday 18th April 2016
Illustration of the initial charge transfer step in a dye sensitized solar cell. A photon from the sun is absorbed and excites the dye molecule. Subsequently, an electron can is injected into the ZnO-Layer where it can be trapped by so called interface-states. Credit: Mario Borgwardt/HZB
Tuesday 5th April 2016
Depiction of photon recycling inside the crystalline structure of perovskite. Credit: Criss Hohmann
Friday 4th March 2016
Photochemical cell: Light creates free charge carriers, oxygen (blue) is pumped through a membraneA photo-electrochemical cell has been developed at TU Wien (Vienna). It can chemically store the energy of ultraviolet light even at high temperatures.
Monday 29th February 2016
Credits   Photo: Joel Jean and Anna OsherovUltrathin, flexible photovoltaic cells from MIT research could find many new uses.
Monday 22nd February 2016
A photo-electrochemical cell has been developed at TU Wien (Vienna). It can chemically store the energy of ultraviolet light even at high temperatures.Heated reactor (TU Wien)
Monday 8th February 2016
On Mapdwell’s satellite-map website, people can click on an individual roof to receive information about installation price, energy and financial savings, and environmental impact. Image courtesy of Mapdwell (edited by MIT News)
Tuesday 19th January 2016
EPFL scientists have developed a solar-panel material that can cut down on photovoltaic costs while achieving competitive power-conversion efficiency of 20.2 percent
Monday 18th January 2016
Material could harvest sunlight by day, release heat on demand hours or days later.

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