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5 results for “self-assembled monolayers”
Research data supporting: "Self-assembly of cyclic peptide monolayers by hydrophobic supramolecular hinges"
<p>This repository contains the set of modelling data shown in the paper:<strong> "Self-assembly of cyclic peptide monolayers by hydrophobic supramolecular hinges"</strong>, published on Chemical Science (DOI: 10.1039/d3sc03930g)</p>
Brewster angle optical reflection observation of self-limiting nanoparticle monolayer self-assembly at a liquid/liquid interface
<p>Real-time optical reflection of incident <i>p</i>-polarized light near Brewster's angle shows that after drop-casting iron oxide nanoparticles (NPs) in heptane on top of a diethylene glycol (DEG) liquid substrate, an iron oxide NP layer forms at the DEG/heptane interface, and it self-limits to a monolayer even when there are excess NPs dispersed in the upper heptane phase. Most modes of NP self-assembly do not self-limit growth after the formation of a single monolayer. Observations are compared to a reflection model incorporating the reflectances expected at each interface. An effective medium model of the dielectric constant is used to model the reflectance of the NP layer at the DEG/heptane interface.</p>
Brewster angle optical reflection observation of self-limiting nanoparticle monolayer self-assembly at a liquid/liquid interface
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Monitoring Solid-Phase Reactions in Self-Assembled Monolayers by Surface-Enhanced Raman Spectroscopy
<p>Data underlying the figures in the publication “Monitoring Solid-Phase Reactions in Self-Assembled Monolayers by Surface-Enhanced Raman Spectroscopy”, published in <em>Angew. Chem. Int. Ed.,</em> <strong>2021</strong>, 60, 2–10<strong>.</strong></p> <p><a href="https://onlinelibrary.wiley.com/doi/full/10.1002/anie.202102319">https://onlinelibrary.wiley.com/doi/full/10.1002/anie.202102319</a></p> <p>Table of contents:</p> <p><strong>1. Figure 1C</strong>; Zip file containing the numerical data for <em>Figure 1C</em>.</p> <p>The data were obtained from optical numerical simulations using the software <em>Lumerical</em>. The parameters used for the simulations are described in the SI of the publication. The file “OCH04-015_0nm.txt” has been exported from the simulated solution. It includes the distribution of the electric field intensity (|E|^2) in x and y directions at the Au-air interface. The data were then plotted as the electromagnetic enhancement factor in log scale (log|E|^4) using the origin lab software (“OCH04-015.opju”.</p> <p><strong>2. Figure 1D, 1E, 1F</strong>; Zip file containing the numerical data for <em>Figures 1D, 1E</em> and <em>1F.</em></p> <p><strong>Figure 1D:</strong> 100 data files with the general file name:</p> <p>“OCH04-021_3_633nm_300lpermm_10perc_2x30s_300hole_100x_Yyy_Xxx.txt”</p> <p>The yy and xx are different numeric values for each file indicating the position in the 10 x 10 map. And:</p> <p>«OCH02-072_2_blankAu_2x30s_10perc_633nm_100x_01.txt” is the dataset of the orange dotted spectrum which was recorded on the planar Au surface.</p> <p>In all text files, there are two columns: The first one is the Raman shift in cm–1 and the second one the intensity in photon counts. The Raman spectroscopy data in the files starting with “OCH04-021…” were generated using the Horiba LabRAM Software and the baseline has already been subtracted using this software. The 100 spectra were plotted without further data smoothing (grey spectra) and the average spectrum (black) was generated by using the dedicated function in the Origin Lab software. The orange spectrum originates from «OCH02-072_2_blankAu_2x30s_10perc_633nm_100x_01.txt”. It was smoothed with 10 points using a Savitzky-Golay Filter in Origin Lab and the Baseline was subtracted.</p> <p><strong>Figure 1E:</strong> The Box Plot was generated using the 100 grey spectra from 1D and applying a Gaussian fit to the three peaks indicated in the figure and extracting the peak positions. Using these peak position data, the box plot was generated using the Origin Lab software.</p> <p><strong>Figure 1F:</strong> The contour plot was generated using the 100 grey spectra from 1D and applying a gaussian fit to the peak indicated in the figure description and extracting the peak heights. Using these peak height data, the contour plot was generated using the Origin Lab software.</p> <p><strong>3. Figure 2</strong>; Zip file containing the numerical data for <em>Figure 2</em>.</p> <p>In all text files, there are two columns: The first one is the Raman shift in cm<sup>–1</sup> and the second one the intensity in photon counts. The spectra were smoothed with 10 points using a Savitzky-Golay Filter in Origin Lab and the Baseline was subtracted. The y intensity was normalized so that the Si peak at approx. 950 cm<sup>–1</sup> had the same height. The Raman shift in x direction was shifted so that the Si peak at 300 cm<sup>–1</sup> was at the same position in each spectrum.</p> <p><strong>4. Figure 3A, 3C</strong>; Zip file containing the numerical data for <em>Figures 3A</em> and <em>3C</em>.</p> <p>In all text files, there are two columns: The first one is the Raman shift in cm–1 and the second one the intensity in photon counts. The spectra were smoothed with 8 points using a Savitzky-Golay Filter in Origin Lab and the Baseline was subtracted. The average of three spectra was calculated for the spectra with the same y description for the plotted spectra in 3A. Figure 3C was generated by applying a gaussian fit to the three peaks indicated in the figure in the original 12 data sets and extracting the peak heights. The average and standard deviation of the peak height data from the spectra with the same y description was then calculated to generate Figure 3C.</p> <p><strong>5. Figure 4A, 4B</strong>; Zip file containing the numerical data for <em>Figures 4A</em> and <em>4B</em>.</p> <p><strong>4A:</strong> In all text files, there are two columns: The first one is the Raman shift in cm<sup>–1</sup> and the second one the intensity in photon counts. The spectra were smoothed with 10 points using a Savitzky-Golay Filter in Origin Lab and the Baseline was subtracted. The y intensity was normalised so that the Si peak at approx. 950 cm<sup>–1</sup> had the same height. The Raman shift in x direction was shifted so that the Si peak at 300 cm<sup>–1</sup> was at the same position in each spectrum.</p> <p><strong>4B:</strong> The peak positions from <em>Figures 2</em> and <em>4A</em> were used to generate <em>Figure 4B</em>.</p>
Atomic Layer Deposition of HfS2 on Functionalized Self-Assembled Monolayers on Ordered Oxide Surfaces: A Model Study under UHV Conditions
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