Titlebook: Electronic Properties of Conjugated Polymers; Proceedings of an In Hans Kuzmany,Michael Mehring,Siegmar Roth Conference proceedings 1987 Sp

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Electronic Transport in Low-Conductivity Metals and Comparison with Highly Conducting Polymershighly conducting polymers. As the electronic mean free path in metals becomes comparable to the interatomic spacing, precursor effects of localization are seen. For low-conductivity metals, incipient localization usually causes an . of conductivity with temperature (i.e. opposite to typical metalli

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Synthesis of New Conductive Electronic Polymerspt to demonstrate the infinite variety of scientific thought required to explore the various stimulating areas of organic chemistry involved. The scope is far too wide to be covered by the one contribution.

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Variable-Range Hopping in Polymers Prepared from Iodo(2-nitrophenyl)-acetyleneles having a different iodine content can be best described by σdc = σ.[exP(?T./T).], typical of variable-range hopping. The thermopower is negative for the sample with the highest iodine content and positive for the other ones. The ac conductivity shows a frequency dependence of the form σ.=Aω. wit

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Conjugation Length and Localization in Conjugated Polymers00 cm. if excited with a blue laser /1/. The frequency shift between main and satellite peak increases with increasing excitation energy (dispersion effect). We obtained similar results for polydiacetylene single crystals of toluene sulfonate type (PDA-TS). Fig. 1 shows the shift of the satellite pe

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Theoretical Investigations of Segmented Polyacetylene experimental data have recently been collected on segmented polyacetylene, (CHD.)., containing concentrations (y) in deuterium atoms as high as 17%, or even about 30% [l-3].The experimental results have been previously interpreted in terms implying that the presence of sp.-bonded carbons has only a

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Analysis of the Raman Spectra of Modified trans-(CH)Xrstanding transport properties in this material. In this context, samples with additional defects have recently been prepared and their electrical and optical properties studied. The addition of hydrogen atoms can be achieved in a controlled manner as shown by Soga and Nakamaru /1/. The treatment ca

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