Talk:Quantum dot

What?

"Stated simply, quantum dots are semiconductors whose electronic characteristics are closely related to the size and shape of the individual crystal." "the" crystal? Which crystal? What electronic properties does the size or shape of "the" crystal impart? Since when are crystals confined to a specific size? There's a cave in Mexico with crystals the size of a bus, could those be quantum dots too? This makes no sense. There's nothing simple about this statement at all. --MoonLichen (talk) 03:51, 24 February 2011 (UTC)

Use of "zero dimensional"

I think that needs to be qualified in some sense, since the dots themselves are obvious not zero dimensional. Perhaps state that "their unique behavior is due (in part) to the relatively small number of atoms they are composed of, and can be explained with models that treat them as zero dimensional". I'm not sure if this proposed statement is actually correct. Maneesh (talk) 16:58, 22 April 2011 (UTC)

Zero-dimensional is merely a reference to the number of directions in which the confined charge carrier can act as a free carrier. In a similar vein, quantum wires might be known as one-dimensional potential wells, and quantum wells as two-dimensional potential wells. I'm currently looking for a good place to put this but can't decide where would be best.

While the dots/wires/wells are small, they still have dimensions in the nm range - indeed it's hinted at in the introduction and stated explicitly in the production section. --  Newty  14:04, 23 October 2011 (UTC)

Developments concerning bulk manufacture

I've added a section in the main article concerning the bulk manufacture of quantum dots. For transparency: I am affiliated with one companies involved, this I've added to my edit in the history section as well. I've tried to strike a tone as neutral as possible in my contribution, including a reference to a press release and an article about current prospects of quantum dots from The Economist. There is as yet no independent news article using the press release as a source. If so, it should replace the original press release as a source. If there are any thoughts, additions or objections please discuss them here in this section. — Preceding unsigned comment added by 85.223.101.162 (talk) 14:51, 7 July 2011 (UTC)

now can be dissolved in water

'The researchers therefore developed an amphiphilic coating, i.e. one with both hydrophobic and hydrophilic properties. The "water hating" side of the polymer material attaches to the surface of the quantum dot. Its exposed hydrophilic side then makes the quantum dot/coating combination soluble in water'

http://www.sciencedaily.com/releases/2011/10/111026091008.htm — Preceding unsigned comment added by 75.85.14.106 (talk) 05:53, 29 October 2011 (UTC)

"experimental proof" vs. controversial

"According to an experimental proof from 2006 (controversial results[33])," How does that sentence make sense? — Preceding unsigned comment added by 109.193.165.35 (talk) 19:53, 31 January 2012 (UTC)

Mistake in Quantum Confinement

"since no two nearby electrons can share the exact same energy level according to Pauli exclusion principle"

I have never heard of this interpretation of Pauli's exclusion principle. If this were true, the term "degeneracy" wouldn't exist. Pauli exclusion only says, that they cannot exist in the very same quantum state. They have to be distinguishable, but not necessarily in energy.

Gflaesch (talk) 21:53, 4 February 2012 (UTC)

That whole paragraph is unclear and poorly written. By all means, feel free to be bold and fix it up yourself! If you have any questions about editing I'm happy to try and answer them. Antony–22 (^talk⁄_contribs) 17:49, 5 February 2012 (UTC)