1997
DOI: 10.1016/s0022-0728(97)00350-1
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Application of in situ UV-vis spectroscopy and an in situ dc resistance measurement technique to the study of a poly(thiophene-3-methanol) film

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Cited by 36 publications
(13 citation statements)
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“…For example, in the CV of the 100% precursor polymer, the peaks for doping and de‐doping were prominently observed at about 0.5 V in the anodic scan and 0.4 V in the cathodic scan for the second cycle. By the eighth cycle, the peaks were shifted to 0.7 V in the anodic scan and 0.3 V in the cathodic scan, respectively, due to heterogeneous electron‐transfer kinetics and changing film electrochemical properties 24, 27, 28. If we electrodeposit a film at the 70:30, monomer/polymer ratio, the shift of the doping/de‐doping peak was smaller than that of 100% polymer but still observable.…”
Section: Resultsmentioning
confidence: 99%
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“…For example, in the CV of the 100% precursor polymer, the peaks for doping and de‐doping were prominently observed at about 0.5 V in the anodic scan and 0.4 V in the cathodic scan for the second cycle. By the eighth cycle, the peaks were shifted to 0.7 V in the anodic scan and 0.3 V in the cathodic scan, respectively, due to heterogeneous electron‐transfer kinetics and changing film electrochemical properties 24, 27, 28. If we electrodeposit a film at the 70:30, monomer/polymer ratio, the shift of the doping/de‐doping peak was smaller than that of 100% polymer but still observable.…”
Section: Resultsmentioning
confidence: 99%
“…This is evident in the much lower film thickness even after ten cycles indicating poor film adhesion or increase in contribution to the imaginary part of the dielectric constant 11. Previous studies have also shown that electropolymerized polythiophene films from thiophene monomers by CV are not well‐behaved because of their high oxidation potential and are best deposited under potentiostatic conditions 3, 8, 21–24…”
Section: Resultsmentioning
confidence: 99%
“…In the reduced state of polythiophene (at 0.0 V versus Ag/AgCl), a strong absorption at 483 nm was observed, which was assigned to a transition from the valence to the conduction band (interband transition) in the literature19, 20 [Fig. 2(c)].…”
Section: Resultsmentioning
confidence: 99%
“…The evolution of the spectra of poly-3-phenylthiophenes (2a-f) upon doping is characterized by similar features as observed for many polythiophenes with high degree of conjugation. [36,[165][166][167][168][169][170][171]. During stepwise oxidation of the poly-3-phenylthiophene films the intensity of the absorption due to the * → π π transition around 450-566 nm decreases and a new broad absorption band related to (bi)polaron states appears at around 730-890 nm ( see Table 9 and Fig 26).…”
Section: Uv-visible and Electrochemical Bandgaps Of 3-phenylthiophenementioning
confidence: 99%