Poly[2-methoxy-5-(2′-ethyl-hexyloxy)- p -phenylene vinylene] (MEH-PPV)/poly(3-hexylthiophene-2,5-diyl) (P3HT) heterolayer film on gold: two-photon photoemission spectroscopy (original) (raw)

Journal of Physics: Condensed Matter, 2008

Abstract

The interfacial electronic structure and photoexcitation kinetics of MEH-PPV/P3HT heterolayer film on gold were studied using two-photon photoemission spectroscopy. We observed that the photoelectron kinetic energy distribution and the photoexcitation kinetics exhibit the characteristics of the MEH-PPV layer, and the absolute two-photon photoemission yield is determined by the P3HT layer. On the basis of the photoexcitation kinetics and the photoelectron

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