1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Photoelectric effect and material ionization

  1. Jul 28, 2011 #1
    What happens to the ions that are released from the material after e- are released? How come the material doesn't completely degrade?
  2. jcsd
  3. Jul 28, 2011 #2


    User Avatar
    Staff Emeritus
    Science Advisor
    Education Advisor

    The metal that acts as the photocathode is grounded. If not, there will be charging effects and photoemission will cease after a while.... a very short while.

Share this great discussion with others via Reddit, Google+, Twitter, or Facebook