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Silicon, Semiconductors, & Solar Cells: Crash Course Engineering…

Silicon, Semiconductors, & Solar Cells: Crash Course Engineering...



Today we’re looking at silicon, and how introducing small amounts of other elements allow silicon layers to conduct currents, turning them into semiconductors. We’ll explore how putting two different types – N and P semiconductors – together gives us electrical components like diodes, transistors, and solar cells.

Crash Course Engineering is produced in association with PBS Digital Studios: https://www.youtube.com/playlist?list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV

Check out Reactions: https://www.youtube.com/channel/UCdJ9oJ2GUF8Vmb-G63ldGWg

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RESOURCES:
https://www.nobelprize.org/nobel_prizes/physics/laureates/1956/
https://www.nobelprize.org/nobel_prizes/physics/laureates/1972/
https://www.explainthatstuff.com/howtransistorswork.html
https://www.acs.org/content/acs/en/education/resources/highschool/chemmatters/past-issues/archive-2013-2014/how-a-solar-cell-works.html
http://butane.chem.uiuc.edu/pshapley/Environmental/L9/2.html

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22 Comments

  1. Date: October 26, 2018 at 09:52
    Author: lsamaknight

    Quick reminder to everyone wanting to ask about Marie Curie, one of her Nobels was in physics, the other was in chemistry.

  2. Date: October 26, 2018 at 09:57
    Author: Awesome Wang

    Woohoo, this is a really good class on BJT's (Bipolar Junction Transistors) and MOSFET's, and solar energy. And I really like this girl! She is so skinny and tall and smart! Maybe she can talk about the "small signal model" next time! If your are as cool as I am, do the "small signal model" next time and what the larger and complex reality that this model represent!

    Gracious, gracious, gracious!

  3. Date: October 26, 2018 at 10:06
    Author: Irwain Nornossa

    Anything computing uses unipolars, because controlling by field, not current, but I get you'd need another video for explanation of those.
    Also, FULL BRIDGE RECTIFIER, and from now, EVEN FULLER BRIDGE RECTIFIER and THE MOTHER OF ALL FULLEST BRIDGE RECTIFIERS.

  4. Date: October 26, 2018 at 13:32

    You don't need to dope silicon to make it conductive. That is just done to change the band structure. Silicon by itself is a semiconductor.

  5. Date: October 26, 2018 at 22:55
    Author: hoser119

    Does this channel provide any "Try this at Home" Experiments?

  6. Date: October 27, 2018 at 11:34
    Author: Donovan Zane

    I watched the entire series in a afternoon,dang learned so much thank you Dr. Shini Somara and crashcourse. I love to hear you talking

  7. Date: October 27, 2018 at 18:51
    Author: Harleen Kaur

    Your videos are awesome, and these videos were the reason I passed my physics final. Have you guys considered partnering up with the AAMC to make videos geared towards MCAT review?? I would love to watch your videos to review for that content

  8. Date: October 27, 2018 at 22:13

    I have to say that's one of the best explanation of transistors, with this explanation one can slowly but surely build up their knowledge in what is arguably the most important electrical component of our time

  9. Date: October 30, 2018 at 15:00
    Author: giko rin

    Why don't we use sulphur in n type semiconductors for better current or do we?

  10. Date: November 1, 2018 at 10:26
    Author: Dylan Fiore

    doping: the enhancing of a semicomductors conductance by the altering of the net positve or negative charge by injecting an impurity.

  11. Date: November 1, 2018 at 10:27
    Author: Dylan Fiore

    And thats just in electronics, because optics is also effected. And biology to.

  12. Date: November 6, 2018 at 21:03
    Author: Aaron

    There was a meta reference in the episode.

  13. Date: November 8, 2018 at 00:13
    Author: Shockwave _123

    you are not good so sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssstttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp

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