Talk:Quantum dot solar cell

message: What is written here sounds like bullshit to me. Quantum dots are added to bulky solar cells, having similar impact as multijunction solar cells. Only the bandgap is determined by their size rather than their material. I suggest deleting this article since the article "Solar cell" (which I didn`t write) is much better.— Preceding unsigned comment added by Omer Korech (talk • contribs) 19:31, 24 January 2007 (UTC)
thread_title: Untitled

message: If this is going to be an objective article, the last statement that toxic quantum dots will make this technology impractical should be removed since many experts would disagree. CdTe is already used commercially on a large scale, and this has been possible because it has been found that the chances of toxic materials leaving the solar cell and entering the environment are small. The same may be true of PbSe, and in general toxic materials do not signal the end for a technology.  —Preceding unsigned comment added by 65.240.20.131 (talk) 03:06, 16 September 2009 (UTC)
thread_title:  Toxicity is not the End 

message: This article is slightly confusing.  how are these cells different (or the same) as say a monocrystalline silicon cell?
what do the dots do? are the dots the n layer? I’m not familiar with dye-sensitized cells, so maybe that’s all I have to do to understand - but can't that info be duplicated slightly here in this article to make it more understandable? -Jowe 15:03, 23 March 2007 (UTC)
thread_title:  Confusion 

message: With all due respect, this article needs a bit of work still.
I can Wikify references, but they lack titles of articles.
Can anyone fix that? Thx. —The preceding unsigned comment was added by Mtodorov 69 (talk • contribs) 06:15, 29 April 2007 (UTC)
replies: text: Please don't hesitate to propose an update, either by boldly editing the article, or, if not sure about the text operators, just post a draft here, with references :-). I am always ready to help, at least with the formatting, just haven't got the time to rewrite myself. Materialscientist (talk) 00:24, 24 October 2009 (UTC)
thread_title:  References lack titles 

message: *In a radio, the valve does not "traps the electrons as they pop off the end of the antenna". It rectifies the signal. 
*Solar cells are not exactly radios. They convert energy. Radios recover information not caring for energy. Induction coils are closer than radios to solar cells. 
*The spectral part is more or less correctly explained in Shockley–Queisser limit, but not in this article. Photons with energy below band gap are lost. Photons with energy above band gap are not lost; their energy is partly lost (into heat) because the produced electron-hole pair thermalizes to the bottom of the conduction/valence band. It is not that simple and high-energy photons can generate more than one e-h pair (see below). 
*:The radio part is gone, but the first 2 paragraphs of the updated "background" need complete rewriting (too sleepy to do that now). DYK-wise, the article is under-referenced (1 ref/para rule). Materialscientist (talk) 14:14, 28 January 2011 (UTC)
replies: text: 21 paras, 22 refs. Intros don't count. Maury Markowitz (talk) 20:34, 28 January 2011 (UTC)
replies: text: Actually, that's not a rule anyway... Maury Markowitz (talk) 20:36, 28 January 2011 (UTC)
thread_title: Problems

message: The sentence "Chemically engineering the nanocrystal surface can better passivate the nanocrystals and reduce detrimental trap states that would curtail device performance by means of carrier recombination." is weaselly technobabble and needs clarification. It is virtually meaningless except possibly to aficionados of the technology. Plantsurfer (talk) 08:13, 20 June 2014 (UTC)
thread_title:  Impenetrable sentence in lead 

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