scholarly journals Wetting behavior of zirconia nanotubes

RSC Advances ◽  
2021 ◽  
Vol 11 (47) ◽  
pp. 29585-29589
Author(s):  
Swathi Naidu Vakamulla Raghu ◽  
Manuela Sonja Killian
Keyword(s):  
Electrochemical Anodization ◽  
Self Assembled Monolayer ◽  
Wetting Behavior ◽  
Self Assembled ◽  
Octadecylphosphonic Acid

In this work, we investigate the wettability of octadecylphosphonic acid (OPA) self-assembled monolayer (SAM) modified ZrO2 nanotubes (ZrNT) of varied morphologies synthesized via electrochemical anodization of zirconium.

Fabrication of controllable and stable In2O3nanowire transistors using an octadecylphosphonic acid self-assembled monolayer

2015 ◽  
Vol 26 (14) ◽  
pp. 145203 ◽  
Author(s):  
Taekyung Lim ◽  
Junebeom Han ◽  
Keumyoung Seo ◽  
Min-Kyu Joo ◽  
Jae-Sung Kim ◽  
...  
Keyword(s):  
Self Assembled Monolayer ◽  
Self Assembled ◽  
Octadecylphosphonic Acid

Primary ion fluence dependence in time-of-flight SIMS of a self-assembled monolayer of octadecylphosphonic acid molecules on mica discussion of static limit

2007 ◽  
Vol 85 (12) ◽  
pp. 1075-1082 ◽  
Author(s):  
M Nieradko ◽  
N W Ghonaim ◽  
L Xi ◽  
H Y Nie ◽  
J Francis ◽  
...  
Keyword(s):  
Secondary Ion Mass Spectrometry ◽  
Time Of Flight ◽  
Static Condition ◽  
Soft Materials ◽  
Self Assembled Monolayer ◽  
Atomic Ions ◽  
Tof Sims ◽  
Self Assembled ◽  
Octadecylphosphonic Acid ◽  
Fluence Range

By using a self-assembled monolayer of octadecylphosphonic acid molecules, CH3(CH2)17PO(OH)2, on mica as a model of the “soft” materials, such as self-assembled monolayers (SAMs) and multilayers in many biological systems as well as artificially engineered molecular electronic systems, we have examined the effects of primary ion fluence on time-of-flight secondary ion mass spectrometry (TOF-SIMS) of the technologically important model. Our measurements clearly show that although the intensity per unit primary ion fluence of most atomic ions and many small fragment ions do not vary by more than 10% for the fluence range of 1010–1013 cm–2, the intensity of the parent molecular ion can drop by two orders of magnitude in this fluence range. While the changes are different for the primary ion beams of Bi3+ (25 keV, 45°), Bi+ (25 keV, 45°), and Ar+ (8 keV, 45°), they are all substantial, with the damage cross section induced by the Bi3+ beam being the largest (6 000 Å2). Since different secondary ions have quite different intensity changes, the analytical results derived from TOF-SIMS can vary significantly by the time and duration of the measurements in the TOF-SIMS experiment. Therefore, our results suggest that for TOF-SIMS of molecular layers such as SAMs, the primary ion fluence condition should be recorded and reported. In general, the validity of the static condition becomes questionable when the cumulative primary ion fluence exceeds 1 × 1011 cm–2.Key words: SIMS, static SIMS, TOF-SIMS, soft materials, self-assembled monolayer, bilayer, surface of biological materials.

Self-Assembled Monolayer Growth of Octadecylphosphonic Acid on Mica

Langmuir ◽  
1996 ◽  
Vol 12 (15) ◽  
pp. 3626-3629 ◽  
Author(s):  
John T. Woodward ◽  
Abraham Ulman ◽  
Daniel K. Schwartz
Keyword(s):  
Self Assembled Monolayer ◽  
Monolayer Growth ◽  
Self Assembled ◽  
Octadecylphosphonic Acid

scholarly journals Wetting Behavior of Zirconia Nanotubes

2021 ◽  
Author(s):  
Swathi Naidu Vakamulla Raghu ◽  
Manuela S Killian
Keyword(s):  
Electrochemical Anodization ◽  
Wetting Behavior ◽  
Wetting Properties ◽  
Zro2 Nanotubes ◽  
Modified Surface ◽  
Octadecylphosphonic Acid

In this work, we investigate the wettability of ZrO2 nanotubes (ZrNT) synthesized via electrochemical anodization of Zirconium. The ZrNT surface shows superhydrophilic behavior while the octadecylphosphonic acid (C18H37PO(OH)2) modified surface shows superhydrophobic behavior. We demonstrate that the wetting properties are independent of ZrO2 nanotube geometry and length.<br>

scholarly journals Wetting Behavior of Zirconia Nanotubes

2021 ◽  
Author(s):  
Swathi Naidu Vakamulla Raghu ◽  
Manuela S Killian
Keyword(s):  
Electrochemical Anodization ◽  
Wetting Behavior ◽  
Wetting Properties ◽  
Zro2 Nanotubes ◽  
Modified Surface ◽  
Octadecylphosphonic Acid

In this work, we investigate the wettability of ZrO2 nanotubes (ZrNT) synthesized via electrochemical anodization of Zirconium. The ZrNT surface shows superhydrophilic behavior while the octadecylphosphonic acid (C18H37PO(OH)2) modified surface shows superhydrophobic behavior. We demonstrate that the wetting properties are independent of ZrO2 nanotube geometry and length.<br>

Self-Assembled Fluid Phase Floating Membranes with Tuneable Water Interlayers

2019 ◽  
Author(s):  
Luke Clifton ◽  
Nicoló Paracini ◽  
Arwel V. Hughes ◽  
Jeremy H. Lakey ◽  
Nina-Juliane Seinke ◽  
...  
Keyword(s):  
Fluid Phase ◽  
Interlayer Thickness ◽  
Supported Bilayers ◽  
Self Assembled Monolayer ◽  
High Coverage ◽  
Nano Technology ◽  
Surface Distance ◽  
Potential Applications ◽  
Self Assembled ◽  
Coated Surfaces

<p>We present a reliable method for the fabrication of fluid phase unsaturated bilayers which are readily self-assembled on charged self-assembled monolayer (SAM) surfaces producing high coverage floating supported bilayers where the membrane to surface distance could be controlled with nanometer precision. Vesicle fusion was used to deposit the bilayers onto anionic SAM coated surfaces. Upon assembly the bilayer to SAM solution interlayer thickness was 7-10 Å with evidence suggesting that this layer was present due to SAM hydration repulsion of the bilayer from the surface. This distance could be increased using low concentrations of salts which caused the interlayer thickness to enlarge to ~33 Å. Reducing the salt concentration resulted in a return to a shorter bilayer to surface distance. These accessible and controllable membrane models are well suited to a range of potential applications in biophysical studies, bio-sensors and Nano-technology.</p><br>

Sign in / Sign up

Export Citation Format

Share Document