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UV/vis absorption and photoluminescence (PL) spectroscopy were used to examine the photophysical properties of statistical copolymers, poly(9,9-di(2-ethylhexyl)fluorene-stat-anthracene), with the mole ratio of the anthracene group ranging from 0 to 20%. The incorporation of the anthracene group into the conjugated backbone of the polyfluorene affected the PL pattern and quantum yield of the isolated...
This contribution investigates photophysical change of poly(9,9-di(2-ethylhexyl)fluorene) (PF2/6) and its random copolymer with anthracene in solvent–non-solvent system. Isolated chains of the polymers in good solvent are driven to associate by addition of a poor solvent. The increase of interchain interactions upon decreasing solvent quality is found to cause the growth of a broad red-shift shoulder...
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