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Trs: Apr 8: First Nanogenerator Produces Electricity with Pinch of the Fingers, Electrons Seem Heavier in Extremely Thin Silicon, Self-Cooling Observed in Graphene Elctronics

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    =============================================== Masyarakat Nano IndonesiaKawasan PUSPIPTEK Serpong Gd. 410, Balai Inkubator Teknologi BPPT R.129Tangerang
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      Masyarakat Nano Indonesia
      Kawasan PUSPIPTEK Serpong Gd. 410, Balai Inkubator Teknologi BPPT R.129
      Tangerang Banten 15310, INDONESIA
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      --- Pada Jum, 8/4/11, NILT Nano News <newsletter@...> menulis:

      Dari: NILT Nano News <newsletter@...>
      Judul: Apr 8: First Nanogenerator Produces Electricity with Pinch of the Fingers, Electrons Seem Heavier in Extremely Thin Silicon, Self-Cooling Observed in Graphene Elctronics
      Kepada: nano_indonesia@...
      Tanggal: Jumat, 8 April, 2011, 12:56 AM

       
      Week 14
      April 2011

      NILT Nano Newsletter

       
      Dear Colleagues, Unsubscribe - Receiving email nano_indonesia@...
      At the 241st National Meeting & Exposition of the American Chemical Society the first practical nanogenerator was presented. The key to the technology is zinc oxide (ZnO) nanowires. ZnO nanowires are piezoelectric so they generate electric current when strained or flexed. The lead scientist Zhong Lin Wang and colleagues from Georgia Institute of Technology found a way to capture and combine the electrical charges from millions of the nanoscale ZnO wires. The researchers also developed an efficient way to deposit the nanowires onto flexible polymer chips, each about a quarter the size of a postage stamp. Five nanogenerators stacked together produce about 1 micro ampere output current at 3 volts — about the same voltage generated by two regular AA batteries. The commercial feasibility of the nanogenerator was demonstrated by using it to power an LED light and a liquid crystal display. The power came from squeezing the nanogenerator between two fingers but it could also have been footsteps, a heart beat, a breeze etc. that activated the nanogenerator. Read this and the 7 other carefully selected news below.
      Editor, CTO, NIL Technology
      Brian Bilenberg
        

      First Practical Nanogenerator Produces Electricity with Pinch of The Fingers
      After six years of intensive effort, scientists are reporting development of the first commercially viable nanogenerator, a flexible chip that can use body movements — a finger pinch now en route to a pulse beat in the future — to generate electricity.
      [Nanotech-Now.com]  

      Electrons Seem Heavier in Extremely Thin Silicon
      For years now, transistors have been getting smaller and smaller. Research conducted by Jan-Laurens van der Steen of the MESA+ Institute for Nanotechnology at University of Twente, The Netherlands, has shown that electrons in silicon which is less than ten nanometres thick take on unusual characteristics.
      [Physorg.com]  

      Self-Cooling Observed in Graphene Elctronics
      With the first observation of thermoelectric effects at graphene contacts, University of Illinois researchers found that graphene transistors have a nanoscale cooling effect that reduces their temperature.
      [Esciencenews.com]  



      Nano-Aquarium Opens Up a New Realm of Research into Microorganisms
      Microalgae are photosynthetic organisms that appeared on Earth more than three billion years ago. Diatoms, Euglena and other members of this family typically inhabit in the sea or fresh water, and possess a very simple, unicellular form.
      [Nanowerk.com]  

      Graphene: A Journey from the Lab to the Foundry
      Graphene has been widely hailed as replacement material for silicon. It does have remarkable characteristics that would allow it to take up that role. Today, the major hurdle that prevents its widespread use is technological: there are no reliable, large-scale techniques to produce and process graphene within the constraints of state-of-the-art semiconductor microfabrication.
      [Electroiq.com]  

      New "Nanodrug" Breaks Down Barriers to Attack Breast Cancer Cells from the Inside Out
      Throwing stones at castle walls is one way to attack an enemy, but sneaking inside makes the target much more vulnerable.
      [ScienceDaily.com]  



      New Nanomaterial can Detect and Neutralize Explosives
      Scientists described development and successful initial tests of a spray-on material that both detects and renders harmless the genre of terrorist explosives responsible for government restrictions on liquids that can be carried onboard airliners.
      [Eurekalert.org]  

      Nano-Structures could Enhance Efficiency of Solar Panels
      A research team led by Mark Lusk at the Colorado School of Mines has discovered a way to enhance solar cell efficiency.
      [Azonano.com]  




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