, Volume 70, Issue 6, pp 863-865

Photoinduced deformation of azobenzene polyester films

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We investigate two types of azobenzene side-chain polyesters which have shown opposite behaviour in light-induced surface grating formation experiments. Thin films of these polymers prepared on a water surface undergo opposite changes of shape under the influence of polarized light. We propose this deformation to be responsible for the surface relief gratings.

Received: 22 November 1999 / Revised version: 16 February 2000 / Published online: 27 April 2000