Journal
CHEMISTRY LETTERS
Volume 33, Issue 1, Pages 44-45Publisher
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.2004.44
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Poly [2,7-(9-oxo-9-phosphafluorenylene)-alt-co-(1,4-aryl-ene)]s, readily prepared from 2,7-dibromo-9-oxo-9-phosphafluorenes and arylene bisboronates, behaved as extended pi-conjugated polymers in the UV-vis absorption spectroscopy and displayed green-blue fluorescence with high quantum yields. Cyclic voltammetry revealed the polymers exhibited electrochromic behaviors and afforded a bandgap of ca. 2.8 eV, consistent with the value from the absorption edge.
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