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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Spelling suggestions: "subject:"heterocyclic polymer"" "subject:"heterobicyclic polymer""

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Light-emitting hetero-cyclic polymers containing 2, 3, 4, 5- tetraphenylthiophene moiety

Yang, Cheng-Hsien 16 August 2002 (has links)
Polymers containing bulky tetraphenylthiophene (TP) moieties were prepared by different coupling reactions. Firstly, 2,5-bis(4-bromophenyl)-3,4-diphenylthiophene (TP-Br) was coupled together by either NiCl2/PPh3 or n-BuLi to form polymers with TP as the repeat unit. The resulting polymers (PTP-NiCl2 and PTP-BuLi) are easily soluble in organic solvents and are photoluminescent (PL) materials (
light-emitting diodes
tetraphenylthiophene
dehalogenation polycondensation
hetero-cyclic polymer
oxadiazole

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