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ENABLING NEW ELECTROANALYTICAL APPLICATIONS

ENABLING NEW ELECTROANALYTICAL APPLICATIONS
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ENABLING NEW ELECTROANALYTICAL APPLICATIONS - 1

ENABLING NEW ELECTROANALYTICAL APPLICATIONS ——— Our Diafilm Electroanalysis grade, or Diafilm EA, manufactured using Element Six’s proprietary, world leading chemical vapour deposition (CVD) synthesis technology has been specifically engineered as a high phase purity, conductive grade material for analytical electrochemical applications. The material benefits from an ultra wide solvent window, extremely low capacitance and shows reversible electron transfer characteristics with classical outer sphere redox cou

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ENABLING NEW ELECTROANALYTICAL APPLICATIONS - 2

DELI V ERING GRE ATER SENSI TI V I T Y, SELEC TI V IT Y AND RESPONSI V ENES S ULT R A W IDE S OLV EN T W INDO W A ND REPR ODUCIBL E E L E C T R O CHE MIC A L PR OPER T IE S Diafilm EA has been specifically developed to deliver greater sensitivity, selectivity and responsiveness in an electroanalysis system. It has extremely high phase purity, with optimal boron dopant concentrations delivering a material with the widest possible solvent window, lowest background currents, while maintaining stable electrochemical characteristics. CURRENT DENSITY ME TA L- L IK E DI A MOND EL E C T R ODE S W I...

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ENABLING NEW ELECTROANALYTICAL APPLICATIONS - 3

ELEC T ROCHEMICAL PERFORMANCE OF PHASE PURE C V D DIAMOND A D VA N TAGE S OF DI A F IL M E A –– Can detect a wider range of species in solution –– Significantly reduced background signal –– Oxygen reduction is negligible under neutral pH conditions M E TA L- L I K E C O N D U C T I V I T Y –– Reversible electron transfer with classic outer sphere redox couples –– Stable electrochemical characteristics –– Fast response times –– Significantly lower detection limits achievable compared with classical electrode materials POTENTIAL VS. SCE/V Cyclic voltammetry of Diafilm EA in 0.1 M KNO3 at a...

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ENABLING NEW ELECTROANALYTICAL APPLICATIONS - 4

ENABLING DE V ELOPMEN T OF ADVANCED ELEC T ROANALYSIS SYS T EMS M AT ER I A L AVA IL A BIL I T Y Diafilm EA is a highly boron doped polycrystalline solid diamond material for demanding applications in electrochemical sensing and analytical applications. It is available as discrete components, ~ 0.5 mm in thickness and 2 mm in diameter, with an ohmic, Ti:Pt:Au contact metallisation on the rear surface as standard. Bespoke sizes and configurations are available on request. ELECTROCHEMICAL PROPERTIES Boron doping concentration (t ypical ) A s measured by Raman spectroscopy Contact resis tivit...

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