2006
DOI: 10.1002/elan.200603583
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Investigation into Charge Transport Dynamics of [Os(bpy)2(picolinate)]Cl Nafion Films

Abstract: ) and the effect of %loading of redox material was determined for three electrolytes over a range of concentrations. The data obtained implies that charge transfer within the film occurs via a redox site diffusion mechanism. The concentration of redox sites was determined using an approximate film thickness of 7 mm, as determined from profilometry studies. Experiments were also performed using immobilized carbon nanotubes within the redox film in order to examine the impact of the increased surface area and co… Show more

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Cited by 2 publications
(2 citation statements)
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“…Both films demonstrate a dramatic decrease in D CT as the thionine loading increases. This trend suggests a principal role of physical diffusion of the redox species in charge transport through the film, which would be evidence of a reduced mobility at high surface concentration (Warren et al, 2006;Komura et al, 2001;Somasundrum and Bannister, 1997). From this observation, the mechanism of charge transport can be considered as diffusion.…”
Section: Effect Of Thionine Loading On D Ct Values Obtained Via Chronoamperometrymentioning
confidence: 88%
“…Both films demonstrate a dramatic decrease in D CT as the thionine loading increases. This trend suggests a principal role of physical diffusion of the redox species in charge transport through the film, which would be evidence of a reduced mobility at high surface concentration (Warren et al, 2006;Komura et al, 2001;Somasundrum and Bannister, 1997). From this observation, the mechanism of charge transport can be considered as diffusion.…”
Section: Effect Of Thionine Loading On D Ct Values Obtained Via Chronoamperometrymentioning
confidence: 88%
“…Os(bpy) 2 Cl 2 was prepared as described previously [21]. Preparation of Os(bpy) 2 PMP(Cl)]PF 6 was adapted from synthetic methods previously described by Warren et al [22] and Serroni et al [23].…”
Section: Synthesismentioning
confidence: 99%