Dynamic response of the 2Ag state in nanopolyacetylene on the time scale from femtoseconds to milliseconds

Summary form only given. Nanopolyacetylene (nano-(CH)/sub x/) is a /spl pi/ conjugated material in which 10-nm polyacetylene nanoparticles are dispersed in a polyvinylbutyral matrix. Each nanoparticle comprises of packed /spl pi/-conjugated chains of length about 30 double bond (C=C). The absorption spectrum of nano-(CH)/sub x/ has a well-resolved vibronic structure with the zero-phonon line at 1.7 eV. Nano-(CH)/sub x/ has a excellent long-term stability and reveals no symptoms of photooxidization. We present results obtained on nonoriented films of trans-cis blend of nano-(CH)/sub x/ at 300 K.