2014
DOI: 10.1039/c4sm01530d
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Quantitative mechanical analysis of thin compressible polymer monolayers on oxide surfaces

Abstract: A clear understanding of the mechanical behavior of nanometer thick films on nanostructures, as well as developing versatile approaches to characterize their mechanical properties, are of great importance and may serve as the foundation for understanding and controlling molecular interactions at the interface of nanostructures. Here we report on the synthesis of thin, compressible polyethylene glycol (PEG) monolayers with a wet thickness of <20 nm on tin dioxide (SnO2) nanofibers through silane-based chemistri… Show more

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Cited by 21 publications
(21 citation statements)
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“…A thin film of polystyrene is grafted at Ta = 423 K (150 °C) leading to Tn+ = Tw = 583.1 K (310 °C). The enthalpy coefficients are calculated with g2 = -0.16513 (Tg2 = 457.5 K) using (4)(5)(6)(7)(8)(9)26) to obtain lg = -0.15374 at Ta. They are given by (27)(28)(29):…”
Section: -4 Application To Polystyrenementioning
confidence: 99%
“…A thin film of polystyrene is grafted at Ta = 423 K (150 °C) leading to Tn+ = Tw = 583.1 K (310 °C). The enthalpy coefficients are calculated with g2 = -0.16513 (Tg2 = 457.5 K) using (4)(5)(6)(7)(8)(9)26) to obtain lg = -0.15374 at Ta. They are given by (27)(28)(29):…”
Section: -4 Application To Polystyrenementioning
confidence: 99%
“…The intrinsic viscosity (h) of the solution increases with increasing M w according to the equation [h] ¼ KM w a, where K and a are constants depending on the type of solute or solvent and depending on the temperature, respectively. 20 Consequently, the best surface morphology was observed in the PVA coating with 13 000 M w . 19 With decreasing M w , a PVA coating with high uniformity and various thicknesses is expected despite low RPM.…”
Section: Resultsmentioning
confidence: 96%
“…Poly(ethylene glycol) monolayers are known to be compressible, whereas dodecanethiol forms a packed film with a higher Young's modulus. 21,22 Representative current−voltage (I−V) characteristics of the devices are shown in Figure 4. The devices are tested with the voltage applied to the bottom electrodes and the nanorod left floating, as shown in Figure 1.…”
Section: ■ Results and Discussionmentioning
confidence: 99%