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Valence band tunneling model for charge transfer of redox-active molecules attached to - and -silicon substrates
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10.1063/1.2720337
/content/aip/journal/apl/90/14/10.1063/1.2720337
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/14/10.1063/1.2720337
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Figures

Image of FIG. 1.
FIG. 1.

Cyclic voltammetry (CyV) of electrode-molecule-silicon (EMS) capacitors of Fc-BzOH on , Fc-BzOH on , Por-BzOH on , and Por-BzOH on . The doping densities of and substrates were and , respectively. The lower half of the current corresponds to oxidation, while the upper half corresponds to reduction. Top-, right- axes correspond to CyV’s of Fc-BzOH and bottom-, left- axes correspond to CyV’s of Por-BzOH.

Image of FIG. 2.
FIG. 2.

CyV of EMS capacitors with Fc-BzOH on - and substrates for two different doping concentrations each: effect of Si doping type and density on the redox voltages. The measurement scan rate is .

Image of FIG. 3.
FIG. 3.

CyV of EMS capacitor with Fc-BzOH on lightly doped substrate, under dark and ambient light of varying intensities, showing effect of the light on redox response. The measurement scan rate is .

Image of FIG. 4.
FIG. 4.

Band diagrams showing redox-related charge transfer processes for (a) Fc-BzOH on substrate and (b) Fc-BzOH on substrate.

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/content/aip/journal/apl/90/14/10.1063/1.2720337
2007-04-05
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Valence band tunneling model for charge transfer of redox-active molecules attached to n- and p-silicon substrates
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/14/10.1063/1.2720337
10.1063/1.2720337
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