Electroabsorption(EA)measurements on thin films of poly[o(trimethylsilyl)phenylacetylene]and poly[o(trimethylsilylmethyl)phenylacetylene]have been performed.The spectral change induced by an exernal electric field(EA ...Electroabsorption(EA)measurements on thin films of poly[o(trimethylsilyl)phenylacetylene]and poly[o(trimethylsilylmethyl)phenylacetylene]have been performed.The spectral change induced by an exernal electric field(EA spectra)has been observed,which shows the similar shape of the second derivative of the optical absorption spectra.The change in the absorptionΔαis obtained from the EA spectrum,andΔn is calculated through Kramers_Krong transformation.The optical properties of substituted polyphenylacetylenes(PPAs)were discussed.展开更多
文摘Electroabsorption(EA)measurements on thin films of poly[o(trimethylsilyl)phenylacetylene]and poly[o(trimethylsilylmethyl)phenylacetylene]have been performed.The spectral change induced by an exernal electric field(EA spectra)has been observed,which shows the similar shape of the second derivative of the optical absorption spectra.The change in the absorptionΔαis obtained from the EA spectrum,andΔn is calculated through Kramers_Krong transformation.The optical properties of substituted polyphenylacetylenes(PPAs)were discussed.
