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Physical synthesis and jetting behaviour of metal oxide based inks

for printed electronics

Introduction Results and Discussion

Methods

References

Mn doped ZnO

ZnO

Zn1-xMnxO; (0 ≤ x ≤ 0.25)

Solid state rxn @ 1100 °C_6 h

Single phase: Mn-ZnO

MnO

Zn1-xAlxO; (0 ≤ x ≤ 0.05)

ZnO Al2O3 Toluene

Spark plasma sintering

• 1100 °C _4 min

• 100 °C/min, 40 MPa

[A] [B]

1. Sonia Sharma, Raghavendar Bayikadi, and P. Swaminathan, RSC Adv., 6, 86586 (2016).

2. Sonia Sharma, Pranith Ramesh, and P. Swaminathan, J. Elec. Matls, 44, 4710 (2015).

3. Sonia Sharma, Sumukh S Pande, and P. Swaminathan, Appl. Mater. & Interfaces

submitted.

• Stable metal oxide particle inks of pure and doped ZnO are synthesized

by top-down wet milling approach.

• Ethylene glycol based inks are found to be suitable for inkjet printing.

• Synthesis can be extended to other metal oxide systems.

Single phase: Al-ZnO

Sonia Sharma1, Sumukh Shankar Pande2, and P. Swaminathan1

1Dept. of Metallurgical and Materials Engineering, IIT– Madras, India2Dept. of Metallurgical and Materials Engineering, NIT– Tiruchirappalli, India

E-mail: mm13d017@smail.iitm.ac.in, sonia2976@gmail.com

Conclusions

Acknowledgements

Top-down approach for synthesizing nanoparticles

Metal oxide ink preparation

Wet milling with

Toluene for 12 h

Pure & doped

Zinc oxideNanoparticles +

solvent +surfactant

Stable

ink

[C]

Al doped ZnO

Custom developed direct writer and printed patterns[D]

Research supported by New Faculty Seed Grant, IIT Madras. Travel supported by Institute Graduate Student Assistantship, IIT Madras.

Size reduction by milling

Unfiltered & filtered ZnO ink

Ink formulation

Ink stability, fluid property & jettability study

Particle size distribution and TEM image of filtered ink

Ink extrusion printing: Custom built printer Inkjet printing: Commercial printer

3D optical images and thickness profile % Transmittance

Drop patterns Printed line patterns