Graphene quantum dots can improve the efficiency of silicon solar cells
7 hours ago
Small flakes of graphene could expand the usable spectral region of light in silicon solar cells to boost their efficiency, new research from King Abdullah University of Science and Technology (KAUST), Saudi Arabia, shows.
New materials and processes to make the manufacturing and use of solar cells more efficient
Jun 29, 2016
For decades, solar technology and applications have been dependent on dye-sensitised solar cells (DSSCs). To mimic nature's absorption of light during photosynthesis, DSSCs use a photoactive dye that absorbs photons and uses ...
Flower power—photovoltaic cells replicate rose petals
Jun 24, 2016
With a surface resembling that of plants, solar cells improve light-harvesting and thus generate more power. Scientists of KIT (Karlsruhe Institute of Technology) reproduced the epidermal cells of rose petals that have particularly ...
Solar cells for greener and safer energies
Jun 21, 2016
Nowadays, our world is in search of cleaner energy sources to power our increasing industrial and economic needs. Solar energy is becoming an alternative source to fossil fuels, but due to the accelerating pace at which we ...
Ultra-thin solar cells can bend around a pencil
Jun 20, 2016
Scientists in South Korea have made ultra-thin photovoltaics flexible enough to wrap around the average pencil. The bendy solar cells could power wearable electronics like fitness trackers and smart glasses. The researchers ...
Researchers find new ways to make clean hydrogen and rechargable zinc batteries
Jun 17, 2016
A Stanford University research lab has developed new technologies to tackle two of the world's biggest energy challenges - clean fuel for transportation and grid-scale energy storage.
Study shows band structure engineering is possible with organic semiconductors
Jun 17, 2016 report
(Phys.org)—A team of researchers with members from institutions in Germany and Switzerland has shown that band structure engineering is possible when designing organic semiconductors. In their paper published in the journal ...
New understanding of molecular doping could yield better semiconductor designs
Jun 17, 2016
A new understanding of why tungsten-doped thin films degrade so rapidly in air may lead to better designs for semiconductor technologies.
Ultrafast charge separation
Jun 17, 2016
Polymers are an exciting prospect for use in solar cells because their manufacture is cheap, easily processed at low temperatures and can be scaled up for industrial production. A key drawback is their relatively low power ...
Engineers discover light can stamp out defects in semiconductors for better solar panels and LED bulbs
Jun 16, 2016
University of Utah materials science and engineering associate professor Mike Scarpulla wants to shed light on semiconductors—literally.