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Photoactive polyimides containing azobenzene pendent groups

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2 Author(s)
Sava, I. ; Petru Poni Inst. of Macromolecular Chem., Iasi ; Resmerita, A.-M.

Azobenzene functionalised polymers are interesting and potentially useful materials for optical devices applications. The photoanisotropic azobenzene molecules upon irradiation with polarized light show photoinduced reorientation through the trans-cis-trans photoisomerisation cycles. A study concerning the surface structuration capacity of the polyimides described here was performed and the results obtained using Nd:YAG laser at 355 nm, at a incident fluence of 35mJ/cm2 are presented. The best results were obtained for 5 laser pulses, an increase of the pulse numbers leading to the diminution of the relief definition.

Published in:

Semiconductor Conference, 2008. CAS 2008. International  (Volume:2 )

Date of Conference:

13-15 Oct. 2008