4.1 Article

Synthesis of porphyrin-appended poly(fluorene-alt-carbazole): photoluminescent and electrochemical studies

期刊

DESIGNED MONOMERS AND POLYMERS
卷 19, 期 8, 页码 719-729

出版社

TAYLOR & FRANCIS LTD
DOI: 10.1080/15685551.2016.1209631

关键词

Poly(N-hexyl-2; 7-carbazole-alt-9; 9-di-n-hexyl fluorene); tetraphenylporphyrin; UV-visible absorption; photoluminescence; cyclic voltametry

资金

  1. Council of Scientific and Industrial Research (CSIR) [NWP 054]

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Poly(fluorene-alt-carbazole) appended with meso-tetraphenylporphyrin (MTPPC) linked through oxyethylene spacer and the parent poly(N-hexyl-2,7-carbazole-alt-9,9-di-n-hexyl fluorene) (P1) were synthesized and characterized. Optical absorption properties of the polymers containing 5% of MTPPC (P2) and 10%of MTPPC (P3) in the polymer backbone show extended optical absorption toward long wavelength compared to the parent polymer P1. Optical absorption studies of the polymers showed that polymer P1 has absorption at 384nm in solution, whereas polymers P2 and P3 have absorption at 384nm corresponding to polymer backbone and soret band at 421nm with Q bands at around 518 and 554nm in solution. P1 shows photoluminescence emission around 417nm, whereas P2 and P3 fall around 656nm. Thermal, electrochemical, and quenching studies of the polymers have been studied and the details are reported.

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