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News articles about "Semiconductors"

Fine-tuning quantum dots from coal

Graphene quantum dots made from coal introduced in 2013 by the Rice University lab of chemist James Tour can be engineered for specific semiconducting properties in either of two single step processes In a new ... - Read More

Patented process builds better semiconductors, improves electronic devices

Through a surprise research discovery a Kansas State University chemical engineer has found the icing on the cake for electronic devices Jim Edgar university distinguished professor of chemical engineering has received a patent for his ... - Read More

One step closer to artificial photosynthesis and 'solar fuels'

Caltech scientists inspired by a chemical process found in leaves have developed an electrically conductive film that could help pave the way for devices capable of harnessing sunlight to split water into hydrogen fuel When ... - Read More

Breakthrough in organic light emitting diodes technology

Organic light emitting diodes OLEDs which are made from carbon containing materials have the potential to revolutionize future display technologies making low power displays so thin they'll wrap or fold around other structures for instance ... - Read More

Blend of polymers could one day make solar power lighter, cheaper and more efficient

A University of Cincinnati research partnership is reporting advances on how to one day make solar cells stronger lighter more flexible and less expensive when compared with the current silicon or germanium technology on the ... - Read More

New solder for semiconductors creates technological possibilities

A research team led by the University of Chicago's Dmitri Talapin has demonstrated how semiconductors can be soldered and still deliver good electronic performance We worked out new chemistry for a broad class of compositions ... - Read More

Material for efficient plasmonic devices in mid-infrared range

A research team led by North Carolina State University has identified and synthesized a material that can be used to create efficient plasmonic devices that respond to light in the mid infrared IR range This ... - Read More

Nanoscale solution to big problem of overheating in microelectronic devices

Anyone who has ever toasted the top of their legs with their laptop or broiled their ear on a cell phone knows that microelectronic devices can give off a lot of heat These devices contain ... - Read More

Demystifying nanocrystal solar cells

ETH researchers have developed a comprehensive model to explain how electrons flow inside new types of solar cells made of tiny crystals The model allows for a better understanding of such cells and may help ... - Read More

The latest fashion: Graphene edges can be tailor-made

Theoretical physicists at Rice University are living on the edge as they study the astounding properties of graphene In a new study they figure out how researchers can fracture graphene nanoribbons to get the edges ... - Read More

New signal amplification process set to transform communications, imaging, computing

Signal amplification is ubiquitous to all electronic and optoelectronic systems for communications imaging and computing its characteristics directly impact device performance A new signal amplification process discovered by a team of University of California San ... - Read More

Solving an organic semiconductor mystery

Organic semiconductors are prized for light emitting diodes LEDs field effect transistors FETs and photovoltaic cells As they can be printed from solution they provide a highly scalable cost effective alternative to silicon based devices ... - Read More

Water, water, everywhere: Controlling the properties of nanomaterials

Scientists at the US Department of Energy's Oak Ridge National Laboratory are learning how the properties of water molecules on the surface of metal oxides can be used to better control these minerals and use ... - Read More

Water, Water, Everywhere -- Controlling the Properties of Nanomaterials

Wendy Hames and Katie Bethea Published Work H W Wang M DelloStritto N Kumar A I Kolesnikov P R C Kent J D Kubicki D J Wesolowski and J O Sofo “Vibrational density of states ... - Read More

From the lab to your digital device, quantum dots have made quantum leaps

Outside his career as a noted nanochemist Lawrence Berkeley National Laboratory Berkeley Lab director Paul Alivisatos is an avid photographer To show off his photos his preferred device is a Kindle Fire HDX tablet because ... - Read More

Shedding light on why blue LEDS are so tricky to make

Scientists at UCL in collaboration with groups at the University of Bath and the Daresbury Laboratory have uncovered the mystery of why blue light emitting diodes LEDs are so difficult to make by revealing the ... - Read More

Organic electronics could lead to cheap, wearable medical sensors

Future fitness trackers could soon add blood oxygen levels to the list of vital signs measured with new technology developed by engineers at UC Berkeley There are various pulse oximeters already on the market that ... - Read More

Good vibrations give electrons excitations that rock an insulator to go metallic

For more than 50 years scientists have debated what turns particular oxide insulators in which electrons barely move into metals in which electrons flow freely Some scientists sided with Nobel Prize winning physicist Nevill Mott ... - Read More

On the Trail of Proteins: Scientists electrochemically detect protein binding on semiconductors

Scientists from Heidelberg University in collaboration with researchers from the University of Gießen have succeeded in electrochemically detecting protein binding on semiconductor materials for the first time thanks to a newly developed investigative method based ... - Read More

Crystallography: Towards controlled dislocations

Crystallographic defects or irregularities known as dislocations are often found within crystalline materials Two main types of dislocation exist edge and screw type However dislocations found in real materials tend to be a mix of ... - Read More
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