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????? ~ ????????. ?????????. 1977: Polyacetylene1980: Polypyrrole1982: Polythiophene1983: Poly(p-phenylene vinylene)(PPV)1988: Polyalkylthiophene1890: Polyaniline1990s: Water soluble polyaniline1990: ?????????1990: ???????(PPV)1991: MEH-PPV1999: ???????????????2000: ??????. ????????.
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