Electrostatic Inkjet Printing of Carbon Nanotube for Cold Cathode Application

Abstract

Barium strontium titanate-alumina composites were fabricated using a sol-gel and anodizing process for high performance thin film capacitors and the properties of the films were studied. The (Ba 0:8 Sr 0:2 )TiO 3 (BST) films were formed by spin coating and subsequent annealing at 150-550 C. The respective annealed films were anodized in a neutral borate solution. The capacitance density increased with increasing annealing temperature up to 450 C but decreased at 550 C. The capacitance density was approximately 28.46% higher with the BST coating than without the BST layer. #

Inkjet Printing—Process and Its Applications

“…Shigematsu et al [54] reported a custom-built electrostatic inkjet setup and demonstrated an ability to print aqueous SWCNT solutions. Jetting parameters were investigated as a function of solution viscosity.…”

Fluidic Properties of Carbon Nanotube Inks and Field Emission Properties of Ink Jet-Printed Emitters

“…On the printer, diamond-like carbon (DLC)-coated nozzles (Microfab Technologies MJ-AT) were mounted in order to prevent wetting. 17) The nozzle diameter was 50 mm. During printing, the substrate temperature was between room temperature and 90 C.…”

“…Inks must have particular surface tension (), viscosity (), and contact angle () properties for successful printing. [15][16][17][18][19] The purpose of this study was threefold: (i) to study the fluidic properties of water-based CNT ink; (ii) to examine printability by exploring the correlation between contact angle and printable line width; and (iii) to implement a jet-printing technique for fabricating field emission arrays (FEA).…”

Advanced printing and deposition methodologies for the fabrication of biosensors and biodevices

“…45 mm, although this parameter varied with the applied voltage. 23 Organic thin-film transistors have been fabricated by the printing of soluble polymeric organic semiconductors (derived from polythiophene) using acoustic inkjet printing. These polymeric semiconductors, dissolved in organic solvent, were printed at a resolution of 35 mm, and yielded a uniform film deposition on hydrophobic gate dielectrics in a single processing step, which is difficult to obtain by other deposition techniques such as spincoating.…”

“…2,17 These precise characteristics depend on the ejection mechanism and the end-application for the printed films. 22,23 It is often necessary to add wetting agents, pigments and polymeric compounds to improve resolution and printed film quality. For example, surfactant Tween 80 was added to an aqueous poly(3,4ethylenedioxythiophene)/polystyrene sulfonic acid (PEDOT/ PSS) dispersion to obtain the necessary surface tension for printing using a thermal printer.…”