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Conferences > IQEC > 1998 > QWD > QWD4
  • International Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 1998),
  • paper QWD4

Molecular stacking of oriented porphyrin J-aggregates probed by dichroic electrochromism

K. Misawa and T. Kobayashi

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Abstract

Molecular J-aggregates are attracting the interest of many scientists as photoactive material based on molecular excitons.1 The excitonic transition of the J-aggregates has a large oscillator strength characterized by one-dimensional systems, which results in an enhanced optical nonlinearity. A few years ago, we developed a vertical spin-coating method to prepare oriented J-aggregates dispersed in polyvinylal-cohol (PVA) films.2 The new method enabled us to investigate detailed structure of J-aggregates.3

© 1998 Optical Society of America

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