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• 23:57, November 26, 2009 Materialscientist(407 bytes) (uploaded a new version of "File:QD mini rainbow.jpg": crop - too much black empty space)
• 05:41, February 24, 2008 Walkman16 (158 bytes) (The photographer and copyright holder is Wikipedia user walkman16. Please attribute using this name.)

• 2009-02-04 10:04 DispAcc01 320×293× (59518 bytes) Colloidal semiconductor nanocrystals irradiated with ultraviolet light. Quantum confinement causes the band gap energy to vary with the nanocrystal's size. Each vial contains a monodisperse sample of nanocrystals dispersed in a liquid solvent. The photo