Researchers at Koç University, Turkey, have demonstrated nanomaterial-based white-light-emitting diodes (LEDs) that exhibit a record luminous efficiency of 105 lumens per watt. Luminous efficiency is a measure of how well a light source uses power to generate light. With further development, the new LEDs could reach efficiencies over 200 lumens per watt, making them a […]

Hiroshima University researchers have announced fabrication of a silicon quantum dot based hybrid inorganic/organic light-emitting diode (LED) that exhibits white-blue electroluminescence. The hybrid LED is expected to be a next-generation illumination device for producing flexible lighting and displays. The fabrication was done by Professor Ken-ichi Saitow at the Natural Science Center for Basic Research and […]

Researchers at Marie Curie-Skłodowska University, in Lublin, Poland have demonstrated the importance of thermoelectric effects in nanostructures. For about 200 years physicists have sought the efficient turning of heat into electricity in the field called thermoelectrics. Scientists have long known that in conducting materials the flow of energy in the form of heat is also […]

University of Oregon (UO) researchers have a new method to follow light into nanoparticle photocells in a spectroscopy experiment on photocells that used lead-sulfide quantum dots as photoactive semiconductor material. Its research that should prove to be of enormous consequence. The efficiency of conventional solar cells could be significantly increased from the current limit of […]

Quantum dot photovoltaics are not market ready just yet, but efficiency and production costs are quite attractive.  A new technique developed by University of Toronto Engineering Professor Ted Sargent and his research group could lead to significantly more efficient solar cells. Sargent’s group has devised a new technique to improve efficiency in colloidal quantum dot […]

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