Structural properties and photoinduced electron processes in polymer films of poly(3-hexylthiophene-2, 5-diyl) on the surface of silver island films

А.К. Zeinidenov, Niyazbek Kh. Ibrayev, D. A. Afanasyev

2016

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DOI 10.1109/nap.2016.7757306
Data confidence 70 medium
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Abstract

Influence of surface plasmon resonance of silver island films on photoinduced electronic processes in polymer films of poly(3-hexylthiophene-2,5-diyl) (P3HT) was studied in this work. Fabrication of P3HT on the surface of the plasmon silver island films increases intensity of the absorption and fluorescence of the polymer film about 4 times. The increase in absorption and fluorescence intensity of P3HT is associated with an increase of the rate of absorption transitions in the polymer films through the influence of the local electromagnetic field near the surface of the silver island films. A formation of disordered polymer structures occurs on the surface of the silver island films. This is determined from the spectral-luminescent properties of P3HT films. Increased disorder of polymer films occurs with increasing annealing temperature silver island films.