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The characters of poly(p-phenylene benzobisoxazole) (PBO) in methanesulfonic acid (MSA) are strongly influenced by the protonation effect. Due to such protonation effect, the experimental optical absorption spectrum was red shifted from the optical absorption spectrum predicted by AM1/ZINDO–CI (Austin Method 1/Zerner's intermediate neglect of differential overlap coupled to single configuration interaction)...
A new conjugated polymer poly(benzobisoxazole-2,6-diylvinylene) (PBOV) has been synthesized as an analogue of poly(p-phenylene benzobisoxazole) (PBO). The comparison between PBOV and PBO has been carried out by Fourier transform infrared spectroscopy, thermogravimetric analysis, UV, and photoluminescence (PL) spectroscopy. The UV absorption peaks, PL excitation and emission wavelengths of PBOV have...
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