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Results : The development of a nanocomposite conductive ink for fabrication of inkjet-printed biosensor and applications

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Simon Nussbaumer

on 13 August 2013

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Transcript of Results : The development of a nanocomposite conductive ink for fabrication of inkjet-printed biosensor and applications

RESULTS
"The development of a nanocomposite conductive ink
for fabrication of inkjet-printed biosensor and applications"

Summary
Previous results

New results

-Jetting & printing optimization


-Electrodes

Previous results
Jetting & Printing
Temperature effect
40°C 35°C 30°C
Electrodes
Number of layers
Next step
Conclusion
Simon Nussbaumer
INK: Graphene+ Polyaniline in NMP
Voltage (or drop's volume)
15V
20V
25V
30V
35V
Drop Spacing (um)
Starting point
Ideal conditions
V 20
T 30°C
Drop spacing 30 um

Nude
1 layer
2 layers
3 layers

Electrodes:
4,5,6 : 1 ink layer, dry 5 min 120 °C
7,8,9 : 2 ink layers, dry 5 min 120°C
10,11,12: 3 ink layers, dry 5 min 120°C
13,14,15: 2 ink layers, dry 2 times 5 min
16,17,18: 3 ink layers, dry 3 times 5 min
Conditions
Best electrode: number 10
3 ink layers, dry 5 min 120°C
Signal ratio: 3.92

Comparison
-Test the best electrode in order to determine the quantity of ferulic acid of various samples
- SEM image of the electrode surface
- Optimise conditions:
PH
Scan rate
Differential pulse voltammetry
Pulse amplitude
Step potential

If time test on a real sample

Thank you for your attention
Full transcript