File:QD_S.jpg
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QD_S.jpg (222 × 216 pixels, file size: 36 KB, MIME type: image/jpeg)
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Summary
DescriptionQD S.jpg | 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
Captions
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Items portrayed in this file
depicts
11 October 2007
0.05 second
2.8
100 millimetre
200
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 14:30, 5 June 2021 | ![]() | 222 × 216 (36 KB) | OgreBot | (BOT): Reverting to most recent version before archival |
14:30, 5 June 2021 | ![]() | 320 × 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 2011 | ![]() | 222 × 216 (36 KB) | Grumerr434 | == Licensing == {{self|cc-by-sa-3.0|GFDL}} |
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Metadata
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Camera manufacturer | Canon |
---|---|
Camera model | Canon EOS DIGITAL REBEL |
Exposure time | 1/20 sec (0.05) |
F-number | f/2.8 |
ISO speed rating | 200 |
Date and time of data generation | 12:53, 11 October 2007 |
Lens focal length | 100 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | GIMP 2.6.7 |
File change date and time | 08:56, 27 November 2009 |
Y and C positioning | Centered |
Exif version | 2.21 |
Date and time of digitizing | 12:53, 11 October 2007 |
Meaning of each component |
|
Image compression mode | 3 |
Shutter speed | 4.3219299316406 |
APEX aperture | 2.9708557128906 |
Exposure bias | −1.3333333333333 |
Maximum land aperture | 2.9708557128906 APEX (f/2.8) |
Metering mode | Pattern |
Flash | Flash did not fire |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 3,443.9461883408 |
Focal plane Y resolution | 3,442.0168067227 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto bracket |
White balance | Auto white balance |
Scene capture type | Standard |
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