What absorbs Ultraviolet radiation?

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  • Thread starter Thread starter Alex299792458
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    Radiation Ultraviolet
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Discussion Overview

The discussion revolves around materials that absorb ultraviolet (UV) radiation, particularly in the context of potential applications on Mars where ozone is lacking. Participants explore various materials and their properties related to UV absorption.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • Some participants note that ozone on Earth absorbs UV radiation, while others inquire about materials that can absorb UV light and re-emit it as visible light.
  • There is a request for clarification on whether the discussion pertains to general UV absorption or specifically to fluorescent materials.
  • One participant emphasizes the need for materials that can absorb UV radiation for potential use in Martian habitats due to the absence of ozone.
  • It is suggested that most solid and liquid materials, as well as some gases, can absorb UV radiation.
  • Simple window glass is mentioned as a material that can absorb UV, although more stable options may be preferred for Martian conditions.
  • TiO2 (titanium dioxide) is identified as a material that absorbs UV well and is resistant, along with beryllium being mentioned as another option.
  • Human skin is noted to absorb UV radiation effectively.

Areas of Agreement / Disagreement

Participants express multiple competing views on the types of materials that absorb UV radiation, and the discussion remains unresolved regarding the best options for specific applications.

Contextual Notes

Some claims about materials are made without detailed specifications or definitions, and the discussion includes varying levels of certainty regarding the effectiveness of different materials in absorbing UV radiation.

Alex299792458
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I know that ozone on Earth absorbs ultraviolet radiation but chemical or material absorbs ultraviolet light like the kind in fluorescent light that absorbs ultraviolet light and reemits it as visible light.
 
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Your English is confusing, but are you saying that UV is re-emitted as visible light in the atmosphere?
 
What exactly are you looking for?
Materials that absorb UV in general? Most solid and liquid materials do, some gases do.
Materials that are fluorescent under UV light? Google will find many.
 
I meant to say what type of material absorbs ultraviolet radiation(including name) and I tried google but i didn't find anything because all it said was ozone but if you want to build a base on mars, you need a material to absorb the ultraviolet radiation due to the lacking of ozone on mars.
 
See above:
mfb said:
Materials that absorb UV in general? Most solid and liquid materials do, some gases do.
Simple window glass will do the job. You probably want something more stable anyway due to the pressure difference inside/outside, or much more material to shield against cosmic radiation.
 
TiO2 absorbs UV well and it is also very resistant. Beryllium and these are other materials used.
 
Thanks!
 
Human skin absorbs UV pretty well. :oldeyes:
 
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