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Photoelectric response of thiamonomethinecyanine J-aggregate nanoribbons deposited via dielectrophoresis technique

Authors
Journal
Physics Letters A
0375-9601
Publisher
Elsevier
Publication Date
Volume
378
Issue
3
Identifiers
DOI: 10.1016/j.physleta.2013.10.050
Keywords
  • Nanoscience

Abstract

Abstract Different dyes can produce the two-dimensional self-assembled structures called J- and H-aggregates that make them attractive material for various nano-electronics applications. This paper shows that electrokinetic deposition technique of cyanine dye J-aggregates is appropriate for the photoelectric devices production. The influence of excitation in visible on conductivity is observed in J-aggregate channel structure deposited using dielectrophoresis technique. The effect was observed in self-assembled thiamonomethinecyanine nanostructures. Samples were analyzed using AFM and micro-Raman spectroscopy methods. Analysis shows that photoelectric response must be the result of conductive channel formation in the structure of J-aggregate between the electrodes. The observed increase in conductivity manifold exceeds the structure dark conductivity: maximal increase comprised 6.3 times.

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