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Gallium Arsenide Phosphide Solar Cells on Silicon with Record 12% Efficiency

Aug 26, 2016

Yale University and University of Illinois Urbana in the USA have improved the efficiency of gallium arsenide phosphide (GaAsP) solar cells on silicon (Si) by reducing threading dislocation densities (TDDs) [Kevin Nay Yaung et al, Appl. ...

Tags: GaAsP solar cells, GaAsP, MBE, MOCVD

Vertical Epitaxial Heterostructure GaAs Optical Transducers

Mar 9, 2016

Researchers in Canada claim the highest reported optical-to-electric power conversion of more than 65% (Figure 1) for a 150W/cm2 (~1500 suns) tuned narrow spectrum input from high-powered laser diodes [S. Fafard et al, Appl. Phys. Lett., ...

Tags: GaAs phototransducer GaAs MOCVD

Researchers Find New Nanastructure Design to Improve LEDs and Solar Cell Efficiency

Dec 15, 2015

Light and electricity dance a complicated tango in devices like LEDs, solar cells and sensors. A new anti-reflection coating developed by engineers at the University of Illinois at Urbana Champaign, in collaboration with researchers at the ...

Tags: anti-reflection coating, electronic device, semiconductor

NREL Demonstrates Conversion Efficiency of 45.7% for Four-Junction Solar Cell

Dec 18, 2014

The US Department of Energy (DOE)’s National Renewable Energy Laboratory (NREL) has demonstrated a conversion efficiency of 45.7% for a four-junction solar cell at 234 suns concentration, representing one of the highest photovoltaic ...

Tags: CPV Solar Cell, Electrical

Nikon Has Unveiled an Update to Its Coolpix P7700,Advanced Fixed-lens Long-Zoom Digicam

Sep 6, 2013

What comes after Labor Day? Christmas. Just kidding. Or if you’re a camera manufacturer-maybe not so much. With the first inklings of the holiday season settling in, camera companies are right out there with brand new fixed-lens ...

Tags: Compact Camera, Nikon Gears

The Tandem Cell Has an Area of About 0.25 Square Centimeters

Jul 8, 2013

On 19 June at the 39th IEEE Photovoltaic Specialists Conference (PVSC 39) in Tampa, FL, scientist Myles Steiner at the US Department of Energy's National Renewable Energy Laboratory (NREL) reported record energy conversion efficiency of ...

Tags: Solar Cell, Electrical, Electronics, cell

Magnolia Solar Inc Has Demonstrated a Flexible CIGS Solar Cell with an Energy Conversion

Mar 27, 2013

Magnolia Solar Corp of Woburn, MA and Albany, NY, USA says that its subsidiary Magnolia Solar Inc has demonstrated a flexible copper indium gallium diselenide (CIGS) solar cell with an energy conversion efficiency of 13%, rivaling the ...

Tags: solar cell, Solar Corp, Solar

The Introduction of Nikon's Two New Compact Cameras

Mar 6, 2013

Nikon today released two new compact cameras, adding to its fast-growing list of products under the COOLPIX camera range. The COOLPIX A, is the first COOLPIX compact digital camera equipped with a DX-format CMOS sensor. This means it ...

Tags: Nikon, COOLPIX Cameras, Cameras

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