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QD_S.jpg ‎(222 × 216 pixels, file size: 36 KB, MIME type: image/jpeg)

Summary

Description 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.
Date 11 October 2007 (according to Exif data)
Source Own work
Author Walkman16

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Original upload log

The original description page is/was [ here]. All following user names refer to en.wikipedia.

  • 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.)


The original description page was here. All following user names refer to it.wikipedia.
  • 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

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copyrighted

copyright license

Creative Commons Attribution-ShareAlike 3.0 Unported

GNU Free Documentation License, version 1.2 or later

inception

11 October 2007

captured with

Canon EOS 300D

exposure time

0.05 second

f-number

2.8

focal length

100 millimetre

ISO speed

200

instance of

photograph

source of file

original creation by uploader

File history

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Date/TimeThumbnailDimensionsUserComment
current14:30, 5 June 2021Thumbnail for version as of 14:30, 5 June 2021222 × 216 (36 KB)OgreBot(BOT): Reverting to most recent version before archival
14:30, 5 June 2021Thumbnail for version as of 14:30, 5 June 2021320 × 293 (58 KB)OgreBot(BOT): Uploading old version of file from it.wikipedia; originally uploaded on 2009-02-04 10:04:14 by DispAcc01
18:07, 21 May 2011Thumbnail for version as of 18:07, 21 May 2011222 × 216 (36 KB)Grumerr434== Licensing == {{self|cc-by-sa-3.0|GFDL}}
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source: http://en.wikipedia.org/wiki/File:QD_S.jpg