Spectroscopic study of soluble poly [3-(2,2,3, 3-tetrafluoropropoxy)thiophene]

Abstract

Neutral poly[3-(2,2,3,3-tetrafluoropropoxy)thiophene] (I) solution showed p-p* 500 nm absorption and 650 and 750 nm absorption bands at high solution concentration This solvatochromatic absorption indicated that some type of aggregation occurred in the concentrated solns. due to interchain interactions. Electron spectra and ESR spectra of FeCl3-doped I indicated that spin polarons were transformed into spinless bipolarons with increasing doping level. The subgap states of bipolaron were located in the central section of the band gap.

Key words: ULTRAVIOLET SPECTROPHOTOMETRY, DOPE, IMMUNE SERUMS, ELECTRON SPIN RESONANCE, ELECTRONIC SPECTROSCOPY, IRON TRICHLORIDE

CLC Number:

O631.3

Cite this article

YANG SHIYONG;SHEN WEIDONG;ZHANG JINGYUN. Spectroscopic study of soluble poly [3-(2,2,3, 3-tetrafluoropropoxy)thiophene][J]. Acta Chimica Sinica, 1992, 50(8): 827-832.

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可溶性聚[3-(2,2,3,3-四氟丙氧基)噻吩]的光谱性质