How Does High Dark Current Impact Solar Cell Performance?

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Discussion Overview

The discussion centers around the impact of high dark current on solar cell performance. Participants explore the nature of dark current, its implications for solar cells, and seek clarification on its behavior and effects in the absence of light.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Some participants inquire about the production of dark current and its effects on solar cells when it is high.
  • There is a question regarding whether dark current is beneficial or detrimental to solar cell operation.
  • One participant compares dark current to a fictional concept from "The X-Files," indicating a humorous approach to the topic.
  • Participants describe dark current as a small electric current that flows through a photosensitive device in the absence of photons.
  • Questions arise about the direction of dark current flow in relation to photocurrent, with participants seeking clarification on this aspect.
  • One participant shares a link to additional resources for further information on dark current in photovoltaic cells.

Areas of Agreement / Disagreement

The discussion contains multiple competing views regarding the effects of high dark current on solar cell performance, and no consensus has been reached on whether it is beneficial or harmful.

Contextual Notes

Participants express uncertainty about the implications of high dark current, particularly in terms of its direction relative to photocurrent, and the discussion lacks definitive conclusions or established facts.

spoonfeeder
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I know how dark current is produced, but what if its high and how does it affect, say solar cell?
 
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spoonfeeder said:
I know how dark current is produced, but what if its high and how does it affect, say solar cell?

Ironic user name, eh?

What can you tell us about dark current? What have you read about it so far? Is dark current good or bad in solar cell operation?
 
Is dark current anything like the black oil on the "X-Files"?
 
It’s a relatively small electric current that flows through a photosensitive device when no photons are entering the device.

How does it affect the device when its high?
 
spoonfeeder said:
It’s a relatively small electric current that flows through a photosensitive device when no photons are entering the device.

How does it affect the device when its high?

Which direction does the dark current flow? In the same direction as the photocurrent, or opposite?


EDIT -- Even more to the point, Google this for some helpful articles -- photovoltaic cell dark current
 

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