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Volume: 42 | Article ID: art00012
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Epitaxial Growth of Merocyanine Dye Molecules on AgBr Surfaces
  DOI :  10.2352/J.ImagingSci.Technol.1998.42.5.art00012  Published OnlineSeptember 1998
Abstract

The configuration of photosensitive dye molecules with respect to AgBr lattice is investigated by transmission electron microscopy and electron diffraction, using merocyanine dye (3-ethyl-5-2-(3-ethyl-2-3H)-benzothiazolylidene)-ethylidene]-2-thioxo-4-thiazolidinone; BTET) films vacuum-deposited on (100) and (111) AgBr surfaces. Island and oriented growth of the dye films, in α-phase (triclinic), is found on these AgBr surfaces. The observed epitaxial relations are as follows: (155) [01¯1]BTET//(100)<011>AgBr on the (100) AgBr surface and (011) [ 011]BTET//(111)<101>AgBron the (111) AgBr surface, where the BTET molecules are adsorbed in edge-standing on the AgBr surfaces. The J-absorption peak is observed in optical spectra of these BTET films, which indicates that they form J-aggregates.

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K. Tanabe, H. Saijo, M. Shiojiri, "Epitaxial Growth of Merocyanine Dye Molecules on AgBr Surfacesin Journal of Imaging Science and Technology,  1998,  pp 434 - 439,  https://doi.org/10.2352/J.ImagingSci.Technol.1998.42.5.art00012

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