Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Looking for a material that will change colors

  1. Jun 17, 2013 #1
    I am looking for a material that will change colors depending on how long it is in the sunlight. Any thoughts?
     
  2. jcsd
  3. Jun 17, 2013 #2

    Integral

    User Avatar
    Staff Emeritus
    Science Advisor
    Gold Member

    Most everything does.

    You may need to be a little more specific.
     
  4. Jun 17, 2013 #3
    Basically like a mood ring. Something that will change as quick at hourly. But the colors need to be distinct. Thoughts? Or maybe some kind of chemical?
     
  5. Jun 17, 2013 #4

    wukunlin

    User Avatar
    Gold Member

    You are looking for photochromic materials. Silver Chloride comes to mind. It gets darker as it is exposed to UV.
     
  6. Jun 17, 2013 #5

    phinds

    User Avatar
    Gold Member

    Why not just track down a mood ring?
     
  7. Jun 18, 2013 #6

    Bobbywhy

    User Avatar
    Gold Member

    Since you want the color change to be caused by sunlight, then a mood ring would NOT be a solution. It changes color according to temperature.

    Will you please describe in more detail exactly what your proposed experiment would be? What's your objective? What do you plan to demonstrate or measure? Members here can contribute, but are not mind readers. Thank you.
     
  8. Jun 18, 2013 #7

    sophiecentaur

    User Avatar
    Science Advisor
    Gold Member
    2015 Award

    How about a (living) leaf? Over a relatively long period of time, its colour will depend upon illumination.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted
Similar Discussions: Looking for a material that will change colors
Loading...