Photoinduced proton transfer reaction in pentacene-doped benzoic acid crystals

Simion Astilean; A. Corval; H. P. Trommsdorff

doi:10.1117/12.203571

8 March 1995 Photo-induced proton transfer reaction in pentacene-doped benzoic acid crystals

Simion Astilean, A. Corval, H. P. Trommsdorff

Proceedings Volume 2461, ROMOPTO '94: Fourth Conference in Optics; (1995) https://doi.org/10.1117/12.203571
Event: ROMOPTO '94: 4th Conference on Optics, 1994, Bucharest, Romania

Abstract

Optical excitation at low temperature of pentacene guest molecules in benzoic acid crystals leads to the appearance of a great variety of defect structures. The reaction mechanism proposed is the transfer of a proton from the matrix to the dye forming a very unstable hydrogenated complex of pentacene which relaxes to ground state pentacene and a proton in a defect position of matrix. These results may serve as model for the study of spectral holeburning and spectral diffusion processes in amorphous solids.

Citation Download Citation

Simion Astilean, A. Corval, and H. P. Trommsdorff "Photo-induced proton transfer reaction in pentacene-doped benzoic acid crystals", Proc. SPIE 2461, ROMOPTO '94: Fourth Conference in Optics, (8 March 1995); https://doi.org/10.1117/12.203571

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