Related Experiment Video
Updated: Mar 17, 2026
09:16
High-resolution Patterning Using Two Modes of Electrohydrodynamic Jet: Drop on Demand and Near-field Electrospinning
Published on: July 10, 2018
10.4K
Alignment of One-Dimensional SnO2 Lines by Electrohydrodynamic Jet Printing
Journal of Nanoscience and Nanotechnology
|July 20, 2016
Summary
Researchers developed one-dimensional tin oxide (SnO2) lines using electro-hydrodynamic jet-printing. Precise control over printing parameters and heat treatment enables the formation of continuous, aligned SnO2 lines for potential electronic applications.
Area of Science:
- Materials Science
- Nanotechnology
- Semiconductor Devices
Background:
- One-dimensional (1-D) semiconducting metal oxide nanostructures are crucial for advanced electronic applications.
- Electro-hydrodynamic (EHD) jet-printing offers a precise method for fabricating nanostructured materials.
- Controlling the morphology and properties of 1-D SnO2 is essential for its integration into devices.
Purpose of the Study:
- To develop a method for fabricating 1-D tin oxide (SnO2) lines using EHD jet-printing.
- To investigate the influence of printing parameters and heat treatment on the morphology and continuity of SnO2 lines.
- To evaluate the electrical properties of the fabricated 1-D SnO2 structures.
Main Methods:
- Utilized EHD jet-printing of a tin chloride pentahydrate and polyvinylpyrrolidone (PVP) solution.
- Controlled ink viscosity, polymer/tin precursor ratio, and printing parameters (voltage, distance, flow rate, velocity).
- Employed a two-step heat treatment (drying at 200°C, annealing at 600°C) to form SnO2 lines and remove PVP.
Main Results:
- Successfully fabricated 1-D SnO2 lines with controllable linearity and shape.
- Demonstrated that printing parameters (viscosity, Sn/PVP ratio, cone shape, droplet size, voltage, distance, flow rate) significantly impact line morphology.
- Identified the critical role of tailored heat treatment to manage >90% volume reduction during polymer burnout and ensure continuous SnO2 lines.
- Evaluated the electrical properties of 1-D SnO2 aligned on Si wafers with Au electrodes.
Conclusions:
- EHD jet-printing is a viable technique for producing 1-D SnO2 lines.
- Precise control over precursor solution properties and printing parameters is key to achieving desired line morphology.
- Optimized heat treatment is crucial for obtaining continuous 1-D SnO2 structures due to significant volume changes.
- The fabricated 1-D SnO2 lines show potential for electronic device applications.
