Toward Dynamic Control over TiO2 Nanocrystal Monolayer-by-Monolayer Film Formation by Electrophoretic Deposition in Nonpolar Solvents

Langmuir ◽  
2012 ◽  
Vol 28 (11) ◽  
pp. 5295-5301 ◽  
Author(s):  
I. Gonzalo-Juan ◽  
Alex J. Krejci ◽  
J. H. Dickerson
Keyword(s):  
Electrophoretic Deposition ◽  
Film Formation ◽  
Dynamic Control ◽  
Monolayer Film ◽  
Nonpolar Solvents

Electrophoretic Deposition of Metal Nanoparticle Monolayers from Nonpolar Solvents for Hydrogen Sensing

2015 ◽  
Vol 654 ◽  
pp. 213-217 ◽  
Author(s):  
Jan Grym ◽  
Roman Yatskiv ◽  
Ondřej Černohorský ◽  
María Verde ◽  
Jan Lorinčík ◽  
...  
Keyword(s):  
Electrophoretic Deposition ◽  
Reverse Micelles ◽  
Three Dimensional ◽  
Fast Response ◽  
Metal Nanoparticle ◽  
Hydrogen Sensors ◽  
Hydrogen Sensing ◽  
Nonpolar Solvents ◽  
Dimensional Growth ◽  
High Degree

We report on the electrophoretic deposition (EPD) of metal nanoparticles (NPs) prepared in reverse micelles on semiconductor substrates with the aim to fabricate sensitive Schottky-based hydrogen sensors with fast response and high degree of selectivity. We discuss the mechanism of NP monolayer formation and show which parameters are essential for the transition from three-dimensional to two-dimensional growth.

Fabrication and Fuel-Cell Properties of Sm-Doped CeO2 Electrolyte Film by Electrophoretic Deposition

2007 ◽  
Vol 350 ◽  
pp. 175-178 ◽  
Author(s):  
Satoshi Nakayama ◽  
Masaru Miyayama
Keyword(s):  
Fuel Cell ◽  
Solid Oxide Fuel Cells ◽  
Electrophoretic Deposition ◽  
Film Formation ◽  
Solid Oxide ◽  
Oxide Fuel ◽  
Electrolyte Film ◽  
A Cell ◽  
Free Films ◽  
Electrolyte Resistance

Electrolyte films of Ce0.8Sm0.2O1.9 (SDC) were prepared on NiO-SDC anode substrates by electrophoretic deposition (EPD) for intermediate-temperature solid oxide fuel cells (SOFCs). Dense and crack-free films were fabricated by cofiring the films and substrates. A cell using an SDC electrolyte film with a La0.6Sr0.4CoO3-δ cathode exhibited a power density of 281 mW/cm2 and an electrolyte resistance of 0.064 cm2 at 600°C. The film formation of SDC by EPD was found effective in decreasing the electrolyte resistance.

Different colloidal particle formation process between conjugated polymer and unmodified C60 in preparation of suspension for electrophoretic deposition by reprecipitation method

2021 ◽  
Author(s):  
Kazuya Tada ◽  
Daiya Fujimoto
Keyword(s):  
Molecular Weight ◽  
Electrophoretic Deposition ◽  
Formation Process ◽  
Colloidal Particle ◽  
Film Formation ◽  
Particle Formation ◽  
Large Area ◽  
Significant Difference ◽  
Reprecipitation Method ◽  
The Difference

Abstract Electrophoretic deposition provides material-efficient film formation on large area electrodes. In this study, it has been found that there is a significant difference in the colloidal particle formation process between a thiophene-based copolymer poly(3-octylthiophene- 2,5-diyl-co-3-decyloxythiophene-2,5-diyl) (POT-co-DOT) and C60 in preparation of suspension for electrophoretic deposition by reprecipitation method. This difference is attributed to the difference between low molecular weight materials with specific molecular weight and polymers with molecular weight distribution. The composition of POT-co-DOT:C60 composite film by electrophoretic deposition has also been estimated.

Effect of the Deposition Time on LSCF–SDC Carbonate Thin Film Formation by the Electrophoretic Deposition Method

2012 ◽  
Vol 616-618 ◽  
pp. 1813-1818
Author(s):  
Nurul Akidah Baharuddin ◽  
Andanastuti Muchtar ◽  
Abu Bakar Sulong ◽  
Huda Abdullah
Keyword(s):  
Thin Films ◽  
Electrophoretic Deposition ◽  
Deposition Time ◽  
Film Formation ◽  
Thick Layer ◽  
Doped Ceria ◽  
Average Thickness ◽  
Deposition Method ◽  
Thin Film Formation ◽  
Suspension Ph

La0.6Sr0.4Co0.2Fe0.8O3-δ–samarium-doped ceria (SDC) carbonate thin films are produced on SDC carbonate substrates by the electrophoretic deposition (EPD) method. EPD is performed by fixing the voltage and suspension pH while varying the deposition time to obtain a >20 μm-thick layer. The deposition time of 30 min yields more particle deposits than 10, 15, 20, and 25 min. Thin films with an average thickness of 22.9050 μm are obtained from the EPD technique when the voltage is 20 V and the suspension pH is 5.

A Study of Alkanethiol Film on Au by STM-Induced Luminescence

2003 ◽  
Vol 10 (02n03) ◽  
pp. 305-310 ◽  
Author(s):  
R. Nishitani ◽  
Y. Tateishi ◽  
H. Arakawa ◽  
T. Hisanaga ◽  
H. Sasaki ◽  
...  
Keyword(s):  
Bias Voltage ◽  
Voltage Dependence ◽  
Film Formation ◽  
Emission Spectra ◽  
Experimental Accuracy ◽  
Monolayer Film ◽  
Etch Pit ◽  
Ccd Detector ◽  
The Difference ◽  
Spectrally Resolved

Alkanethiol films on Au(111) surface have been studied by means of STM-induced luminescence in UHV. The spectra of STM-induced luminescence have been recorded at the same time as STM topography measurements with a spectrograph and a CCD detector. The spectrally resolved STM-induced photon map shows a similar contrast to the topography of alkanethiol film which has many etch pit structures created during the monolayer-film formation. The spectra for the etch pit region are compared with those for the top layer of the film. Those spectra shapes are nearly identical except for the difference of the emission intensity. The results indicate that the etch pit is also covered with an alkanethiol film in a similar way to the top layer of the film. The bias-voltage dependence of emission spectra has also been recorded in the range from 2.0 to 2.5 V. The results show that the spectra do not change their shape due to adsorption in this range of bias voltage within the experimental accuracy. The density of states due to adsorption has been discussed.

Real-Time Monitoring of Siloxane Monolayer Film Formation on Silica Using a Fiber Bragg Grating

2008 ◽  
Vol 4 (4) ◽  
pp. 356-361 ◽  
Author(s):  
Christopher Stanford ◽  
Mario Dagenais ◽  
Ju-Hee Park ◽  
Philip DeShong
Keyword(s):  
Fiber Bragg Grating ◽  
Real Time ◽  
Film Formation ◽  
Bragg Grating ◽  
Real Time Monitoring ◽  
Monolayer Film

Kinetics of monolayer and bilayer nanoparticle film formation during electrophoretic deposition

2013 ◽  
Vol 113 (1) ◽  
pp. 50-54 ◽  
Author(s):  
A. J. Krejci ◽  
T. Gebre ◽  
C. A. Ruggiero ◽  
M. D. Mochena ◽  
J. H. Dickerson
Keyword(s):  
Electrophoretic Deposition ◽  
Film Formation ◽  
Kinetics Of ◽  
Nanoparticle Film

Preparation of Barium Titanate Nanoparticle Thin Films by the Electrophoretic Deposition Method Using Polyacrylic Acid as a Charge-Compensating Agent

2009 ◽  
Vol 421-422 ◽  
pp. 510-513
Author(s):  
Masashi Arimura ◽  
Teruhisa Makino ◽  
Kunitaka Fujiyoshi ◽  
Makoto Kuwabara
Keyword(s):  
Thin Films ◽  
Barium Titanate ◽  
Film Thickness ◽  
Electrophoretic Deposition ◽  
Polyacrylic Acid ◽  
Film Formation ◽  
Deposition Efficiency ◽  
Monomethyl Ether ◽  
Deposition Effect ◽  
A Charge

Using the electrophoretic deposition (EPD) method, we prepared barium titanate nanoparticle (BT-NP) thin films by depositing BT-NP monodispersed in ethylene glycol monomethyl ether (EGMME) onto an electrically conductive substrate coated with polyacrylic acid (PAA). Deposition efficiency was increased compared to conventional EPD, and the uniformity of the film thickness was also improved as a result of the BT-NPs cohesion effect of the PAA coating on the substrate in addition to the electrophoretic deposition effect of the electric field. When low-molecular-weight PAA was used, the film was reinforced since PAA, which coats the substrate, diffused close to the surface of the BT-NP film during film formation. A crack-free BT-NP film was produced with a film thickness of several micrometers.

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