Sorry but it is a "slight shoddy question" ! WHY??

- Please give more infos about the kind of polymer. Is it a pure polymer or a polymer with dye?

- Do you use sun or UV-apparatus for the excitation. Please infos about the source!

- Is your polymer stable under UV during a long time.

- The following links will be useful:

http://link.springer.com/article/10.1007/BF00745662#page-1

AND

http://onlinelibrary.wiley.com/doi/10.1002/masy.19991430126/abstract

For applications see too:

http://www.springer.com/chemistry/physical+chemistry/book/978-3-540-73927-2

- Are scientific or industrial applications important for you?

Please note that answerers can only answer a precise and with required infos question.

JRG