Quantum dot synthesis





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Published on Aug 15, 2006

If you'll excuse the ridculously overdramatic soundtrack :) Synthesis of CdSe nanocrystals by injection of cadmium and selenium precursors into a high boiling point coordinating solvent at 360 degrees C. ~3nm particles of CdSe are initially generated. The intense color results from the quantum confinement effect on the electron as a result of the nanocrystal size being less than the Bohr radius of the exciton. Thus, as the particles grow larger, they become redder in color. A size series was generated by allowing the crystals to grow at 280C over a period of ~2 minutes. The visible spectrum from 515nm (green) to 650nm (red) was covered.

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    • Standard YouTube License
  • Suggested by HAAWK for a 3rd Party

  • Song

    • Prince Negaafellaga Introduction (feat. Starcrimes, A-Million)
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    • Prince Fellaga
  • Album

    • The Classics (Instrumental)
  • Writers

    • Clint Mansell
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    • HAAWK for a 3rd Party (on behalf of Eurostreetz); UBEM, UMPG Publishing, CMRRA, Warner Chappell, UMPI, and 18 Music Rights Societies


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