The Red Phase of Polydiacetylene in Langmuir–Blodgett Film: The Short Conjugation Length of the Polymer Chain

The photoinduced interlayer electron transfer in bilayer Langmuir–Blodgett films has been studied. The samples consisted of a monolayer of partially polymerized diacetylene molecules and a monolayer of phytochlorin-fullerene dyad molecules. The change in the resulting photovoltaic response of the sa...

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Bibliographic Details
Published in:Bulletin of the Lebedev Physics Institute 2021-11, Vol.48 (11), p.337-341
Main Authors: Alekseev, A. S., Domnin, I. N., Ivanov, A. B.
Format: Article
Language:English
Subjects:
Bilayers
Chains (polymeric)
Conjugation
Electron transfer
Interlayers
Langmuir-Blodgett films
Monolayers
Physics
Physics and Astronomy
Polydiacetylenes
Polymers
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Summary:The photoinduced interlayer electron transfer in bilayer Langmuir–Blodgett films has been studied. The samples consisted of a monolayer of partially polymerized diacetylene molecules and a monolayer of phytochlorin-fullerene dyad molecules. The change in the resulting photovoltaic response of the samples over time after the cessation of the optical excitation pulse was analyzed with allowance for the migration of charges along the conjugated polymer chains and the effect of their length on the signal shape and its decay time.
ISSN:1068-3356
1934-838X
DOI:10.3103/S1068335621110026