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Beyond Silicon

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    Materials breakthrough will supercharge wide-bandgap semiconductors

    Screen Shot 2016-09-03 at 12.28.23 PMIn a significant breakthrough, materials scientists at Pennsylvania State University have synthesized two-dimensional gallium nitride for the first time ever using a graphene encapsulation said to give the structure “superb electronic properties and strength to the resulting flat gallium nitride.” 

    The new materials will ultimately be used to create wide bandgap transistors and similar semiconductor devices designed to improve electrical energy efficiency.

    The Energy Imperative

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      Healthy You: Solar power to your rescue to kill bacteria?

      SMART-CITIES-BANNER

      Isn’t it the time to make better use of natural resources become more healthy. Here is an exciting development about a new system of solar power kills bacteria super fast. Researchers in Stanford university discovered nanomaterial that can kill 99.999% of bacteria in water within only 20 minutes. Now we all can hope that the next generation of humans will be healthier, Thanks to this invention by stanford researchers.

      Efficiency: The First Fuel

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        How engineers can stop climate change in its tracks

         

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        In December 2015, after two decades of negotiations, 195 countries adopted a historic, legally binding agreement on climate change. The primary goal of the so-called Paris agreement is to hold the increase in global average temperature “to well below 2°C,” and “to pursue efforts to limit the temperature increase to 1.5 °C above pre-industrial levels, recognizing that this would significantly reduce the risks and impacts of climate change.”

        The agreement still needs to be approved by the individual governments of the countries involved.

        The Battery Chronicles

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          Ninety-two year old inventor of lithium-ion battery poised to create another breakthrough

          Screen Shot 2015-11-03 at 10.37.02 PMJohn Goodenough, who invented the lithium ion battery 35 years ago, is in hot pursuit of his ultimate dream – a super battery that would finally displace the internal combustion engine.

          In 1980, Goodenough then 57, aided by a team of post-docs at Oxford University invented the lithium-cobalt-oxide cathode, the pivotal component of every lithium-ion battery.  In 1991, Sony combined Goodenough’s cathode and a carbon anode into the world’s first commercial rechargeable lithium-ion battery, a product that revolutionized portable electronics.

          Beyond Silicon

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            We need a “Giga-fab” for Gallium Nitride. Somewhere.

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            A new technology promises a revolution in the efficient use of electrical power. If widely deployed, this technology could have a significant impact on climate change by reducing our dependence on fossil fuel in favor of renewable energy. It could enable discontinuous advances in communications, electric vehicles and medical diagnostic equipment.

            But it is still in its infancy, costly, and needs much development.