Talk:Timeline of solar cells

message: This article was used as a reference in this CNET article. -- Kjkolb 10:27, 6 May 2006 (UTC)
thread_title:  Used as a reference in a news article 

message: This article is a long list of dates, but this is not history.
We really need to have a true history of solar power, with the ideas, the designs, the detailed process of work of the most important researchers in the field.  — Preceding unsigned comment added by 153.96.32.62 (talk) 10:24, 17 May 2013 (UTC)
thread_title:  Chronicles 

message: The Tesla device used the photoelectric effect, not the photovoltaic effect. — Omegatron 21:56, 22 February 2007 (UTC)
replies: text: Years later, someone has finally got round to removing the crackpottery. Remember, kids, just because you have a patent for something, doesn't mean it works (or has any basis in reality). I wonder if you can still patent things that can't work today. Patent examiners in the old days must have been much more generous.  --Wtshymanski (talk) 17:03, 12 January 2011 (UTC)
thread_title:  Tesla 

message: Under what conditions are the efficiencies measured?  It should be consistent for any quoted efficiency on the same page. — Omegatron 21:56, 22 February 2007 (UTC)
replies: text: It isn't possible to make them all entirely consistent on an historical timeline. Measurement standards have changed over the years, for one thing: The standard used for terrestrial cells today is based on characterization of the Earth's atmopshere in 1970s and '80s, and was revised slightly in (I think) 2005. Conditions can also differ depending on the cell's intended use. Cells used in space are measured using the solar spectrum as it exists in space, while terrestrial cells are measured under a solar spectrum that accounts for the effects of the Earth's atmosphere (efficiencies measured under space conditions are a bit lower than those measured under terrestrial conditions). Concentrator cells are measured under concentrated light with a spectrum that excludes light scattered by the atmosphere, since the optics on those cells reject all but the direct component of the incident light.--Squirmymcphee 17:05, 18 July 2007 (UTC)
thread_title:  Efficiencies 

message: Agree, merge. Greenman 14:22, 1 June 2007 (UTC)
replies: text: Merge was a good idea, but wouldn't Timeline of photovoltaics be a better title? The entries for recent years contain much that is around economics and deployment rather than the science of the cells themselves. Itsmejudith 15:53, 4 December 2007 (UTC)

text: I agree: Timeline of photovoltaics would be a better title. Photovoltaics is a more general term that includes solar cells, modules, and whole systems. This title would be more descriptive of the recent entries. Aasmusko (talk) 12:52, 30 November 2020 (UTC)
thread_title:  Merge with [[Timeline of photovoltaics]] 

message: This source  doesn't completely agree with numbers here, here  or  but the numbers are close and it lists data for many more years than any of these sources. The yearly production numbers from 81-94 are 5,9,15,17.5,19,21,25,31.5,38,43,48,54,56,61. And the data is given specifically in 1994 dollars which helps. Mrshaba 14:20, 4 November 2007 (UTC)
thread_title:  PV production 1976-1994

message: Not sure where to post this message so it's going in several places. The PV articles would be greatly enhanced if we could develope a graph showing the historic prices for PV. The image below shows how the prices should be both real and inflation adjusted. As a companion to the price graph we also need a production graph.  Mrshaba 09:45, 5 November 2007 (UTC)
thread_title:  PV production and prices 

message: If an efficiency record of 42.8% was achieved on 7/30/2007, how can 40.8% be a new world record on 8/13/2008?—RJH (talk) 22:46, 29 September 2008 (UTC)
thread_title:  Records 

message: I just read the patent, and in my opininion, it does not deal with an invention employing similar processes (i.e. generation of charge carriers via photoelectric effect) as todays solar-cells, but instead uses the heat gradient induced by focussed sunlight to construct something like a thermocouple. Therefore I don't know whether it is appropriate to put this in the article at all. Cheers  —Preceding unsigned comment added by 134.130.244.37 (talk) 00:39, 9 December 2009 (UTC)
thread_title: Timeline 1888 Patent for Edward Weston

message: why is O
vshinsky's major contribution ignored.  link to Stanford R Ovshinsky  — Preceding unsigned comment added by 24.72.76.156 (talk) 00:40, 23 January 2014 (UTC)
thread_title:  Stanford Ovshinsky 

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thread_title:  External links modified 

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