Novel Flexible NH3 Gas Sensor Prepared by Ink-Jet Printing Technique

2012 ◽  
Vol 506 ◽  
pp. 39-42 ◽  
Author(s):  
C. Wongchoosuk ◽  
P. Jangtawee ◽  
P. Lokavee ◽  
S. Udomrat ◽  
P. Sudkeaw ◽  
...  
Keyword(s):  
Gas Sensor ◽  
Low Cost ◽  
Metal Electrode ◽  
Ink Jet Printing ◽  
Force Microscopy ◽  
Sensing Mechanism ◽  
Atomic Force ◽  
Ink Jet ◽  
Polymer Metal ◽  
Jet Printing

We have fabricated a low-cost and flexible NH3 gas sensor using thermal ink-jet printing. The poly (3,4-ethylene dioxythiophene) doped with polystyrene sulfonated acid (PEDOT/PSS) with thickness of ~ 2 μm was used as a sensing film. The interdigitated electrode using patterned aluminum plate was attached over the sensing film. Atomic force microscopy results show the high homogeneous film and only small roughness is presented on the sensing film. This sensor exhibits high selectivity and sensitivity to NH3 at room temperature. The sensor response works linearly with gas concentrations between 100-1000 ppm. The modulation of conducting polymer/metal electrode interface plays a role in the sensing mechanism of NH3. Changes in the position of interdigitated electrodes can change the dominant sensing mechanism of typical polymer gas sensor.

Gas Sensor Devices Obtained by Ink-jet Printing of Polyaniline Suspensions

2007 ◽  
Vol 247 (1) ◽  
pp. 357-363 ◽  
Author(s):  
F. Loffredo ◽  
G. Burrasca ◽  
L. Quercia ◽  
D. Della Sala
Keyword(s):  
Gas Sensor ◽  
Ink Jet Printing ◽  
Ink Jet ◽  
Sensor Devices ◽  
Jet Printing

Low-cost display assembly and interconnect using ink-jet printing technology

2001 ◽  
Vol 9 (1) ◽  
pp. 9 ◽  
Author(s):  
Donald J. Hayes ◽  
W. Royall Cox ◽  
Michael E. Grove
Keyword(s):  
Low Cost ◽  
Printing Technology ◽  
Ink Jet Printing ◽  
Ink Jet ◽  
Jet Printing

Ink-jet printing of ferroelectric poly(vinylidene fluoride-trifluoroethylene) copolymers

2005 ◽  
Vol 889 ◽  
Author(s):  
Shihai Zhang ◽  
Ziqi Liang ◽  
Qing Wang ◽  
Q.M. Zhang
Keyword(s):  
Vinylidene Fluoride ◽  
Low Cost ◽  
Gold Surface ◽  
Bulk Sample ◽  
Boiling Temperature ◽  
Active Components ◽  
Ink Jet Printing ◽  
Ink Jet ◽  
Poly Vinylidene Fluoride ◽  
Jet Printing

AbstractPoly(vinylidene fluoride-trifluoroethylene) [P(VDF-TrFE)] copolymers are well known for their excellent ferroelectric and other related properties and they are being exploited as active components in many microdevices such as ferroelectric memory cells and infrared sensors. Compared with conventional photolithography, ink-jet printing provides a low-cost versatile method to fabricate polymer micro-devices. In this paper, the influences of driving waveform at the jet head, ink concentration, substrate chemistry, and the solvent quality on the printed P(VDF-TrFE) dots were investigated. It was found that well-defined P(VDF-TrFE) micro-dots with diameter of less than 30 mm and thickness of ∼1 μm can be printed by using a mixed solvent system, consisting of a good solvent with relatively low boiling temperature and a poor solvent with high boiling temperature, on perfluorinated hydrophobic gold surface. The printed P(VDF-TrFE) micro-dots possess crystallinity comparable to that of the bulk sample, suggesting that ink-jet printing technology is a promising micro-fabrication technology for manufacturing P(VDF-TrFE)-based micro-sensors and other micro-devices.

Low-Cost CPW Meander Inductors Utilizing Ink-Jet Printing on Flexible Substrate for High-Frequency Applications

2013 ◽  
Vol 60 (2) ◽  
pp. 827-832 ◽  
Author(s):  
Aleksandar B. Menicanin ◽  
Ljiljana D. Zivanov ◽  
Mirjana S. Damnjanovic ◽  
Andrea M. Maric
Keyword(s):  
High Frequency ◽  
Low Cost ◽  
Flexible Substrate ◽  
Ink Jet Printing ◽  
Ink Jet ◽  
Jet Printing

Application of Ink-Jet Printing and Spray Coating for the Fabrication of Polyaniline/Poly(N-Vinylpyrrolidone)-Based Ammonia Gas Sensor

2015 ◽  
Vol 644 ◽  
pp. 61-64 ◽  
Author(s):  
Nikola Peřinka ◽  
Markéta Držková ◽  
Danijela V. Randjelović ◽  
Paolo Bondavalli ◽  
Milena Hajná ◽  
...  
Keyword(s):  
Gas Sensor ◽  
Spray Coating ◽  
Chemical Oxidation ◽  
Electrical Measurements ◽  
Large Area ◽  
Ammonia Gas ◽  
Ink Jet Printing ◽  
Vis Spectroscopy ◽  
Ink Jet ◽  
Jet Printing

We report on the preparation of thin conducting films from the poly (N-vinylpyrrolidone) stabilized polyaniline dispersions for the ammonia gas sensor applications. The dispersion is water-based and prepared by means of relatively simple chemical oxidation polymerization of aniline. Two processes were used for the ink deposition, the ink-jet printing and the spray-coating technique. With the former one, the ink was at first tested on the poly (ethylene terephthalate) foil to find a suitable combination of ink formulation and print parameters. After that, the final ammonia gas sensors were fabricated by both deposition techniques and compared. The aspects of the ink preparation and alteration, as well as the active layer properties, are analyzed by means of UV-vis spectroscopy, optical microscopy, atomic force microscopy, profilometry and electrical measurements. The results obtained from each deposition technique are discussed. In both cases, the sensitivity to the ammonia gas has been demonstrated, making the proposed ink in combination with the two named deposition processes feasible for the potential large-area sensor production.

scholarly journals Electrochemical Response of Platinum Ultrathin Layer Formed by Pulsed Laser Deposition

2011 ◽  
Vol 2011 ◽  
pp. 1-6 ◽  
Author(s):  
Takeshi Ito ◽  
Satoru Kaneko ◽  
Masayuki Kunimatsu ◽  
Yasuo Hirabayashi ◽  
Masayasu Soga ◽  
...  
Keyword(s):  
Pulsed Laser Deposition ◽  
Photoelectron Spectroscopy ◽  
Low Cost ◽  
Pulsed Laser ◽  
Metal Electrode ◽  
Laser Deposition ◽  
Force Microscopy ◽  
Atomic Force ◽  
Microscopy Images ◽  
Ultrathin Layer

Ultrathin layer of platinum (ULPt) was deposited on glassy carbon (GC) substrate by using pulsed laser deposition (PLD) method, and electrochemical properties of the ULPt were discussed. The deposition was simply performed at room temperature with short deposition time. Atomic force microscopy and scanning electron microscopy images showed the flat surface of the ULPt. X-ray photoelectron spectroscopy (XPS) characterized the ULPt in the Pt(0) state, and biding energy of ULPt was positively shifted. These results indicated that nanostructure of Pt thin layer was formed. The electrochemical activity of the prepared ULPt on GC substrate was superior to a bulk Pt electrode regarding the potential and the magnitude of current on oxidizing hydrogen peroxide. This fast and easily prepared low-cost electrode had the potential to replace a conventional bulk metal electrode.

Low-cost fiber collimation for MOEMS switches by ink-jet printing

2001 ◽  
Author(s):  
Weldon R. Cox ◽  
Ting Chen ◽  
Donald J. Hayes ◽  
Michael E. Grove
Keyword(s):  
Low Cost ◽  
Ink Jet Printing ◽  
Ink Jet ◽  
Jet Printing
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