Journal
JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY
Volume 22, Issue 2, Pages 248-256Publisher
SOC BRASILEIRA QUIMICA
DOI: 10.1590/S0103-50532011000200009
Keywords
conjugated polymer; copolymer; 3-substituted thiophene; photoluminescence
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Funding
- FAPEMIG [CEX PPM III 0207/09, CEX APQ-01621-09, PRONEX EDT 479/07]
- CNPq
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This work reports the synthesis of three polymers and two new copolymers based on 3-substituted polythiophene derivatives, all of them demonstrated photoluminescent properties. All polymers synthesized, i.e., poly(3-methoxythiophene) (PMOT), poly(3-thiopheneethanol) (PTE), poly(3-thiophenemethanol) (PTM), poly(3-methoxythiophene-co-3-thiopheneethanol) (PMOT-co-TE) and poly(3-methoxythiophene-co-3-thiophenemethanol) (PMOT-co-TM), were characterized by FT IR, UV-Vis, photoluminescence (PL), thermal analysis (TG and DSC) and X-ray diffraction (XRD). All materials emitted light in the orange region of the visible spectrum. Spectrometric analysis in the infrared region demonstrated the successful synthesis of polymers and copolymers by the presence of characteristic bands. Thermal analysis showed that the obtained materials had good thermal stability.
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