Citation: Wei YAN, Chain Shu HSU, Yu WEI. Synthesis and Characterization of Small Band-gap Conjugated Polymers-Poly(pyrrolyl methines)[J]. Chinese Chemical Letters, ;2002, 13(10): 988-990. shu

Synthesis and Characterization of Small Band-gap Conjugated Polymers-Poly(pyrrolyl methines)

Wei YAN ^1, ,
Chain Shu HSU ² ,
Yu WEI ³

1.
School of Environmental & Chemical Engineering, Jiaotong University, Xi'an 710049;
2.
Department of Applied Chemistry, National Chiao Tung University, Hsinchu, Taiwan;
3.
English Department, Xi'an University of Science & Technology, Xi'an 710049

Received Date: 14 January 2002

A kind of small band-gap conjugated polymers-poly (pyrrolyl methines) and their precursors-(poly pyrrolyl methanes) have been synthesized by a simple method and characterized by ¹HNMR, FT-IR, TGA and UV-Vis. These polymers can be dissolved in high polar solvents such as DMSO, DMF or NMP. The results reveals that the band-gap of the synthesized conjugated polymers are in the range of 0.96~1.14 eV and they all belong to the small band-gap polymers. The conductivity of doped products with iodine is in the range of semiconductor.
- Small band-gap,
- conducting polymer,
- poly(pyrrolyl methine)
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