Search Results - "Groenzin, Henning"

Comparative Study of Acetic Acid, Methanol, and Water Adsorbed on Anatase TiO2 Probed by Sum Frequency Generation Spectroscopy by Wang, Chuan-yi, Groenzin, Henning, Shultz, Mary Jane

“…Sum frequency generation (SFG) vibrational spectroscopy is used to investigate the surface adsorption of three probe moleculesacetic acid, methanol, and…”
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Molecular Species on Nanoparticulate Anatase TiO2 Film Detected by Sum Frequency Generation:  Trace Hydrocarbons and Hydroxyl Groups by Wang, Chuan-yi, Groenzin, Henning, Shultz, Mary Jane

“…Visible-infrared sum frequency generation (SFG) has been applied to probe molecular species on the surface of nanoparticulate anatase TiO2 films. A trace…”
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Surface Characterization of Nanoscale TiO2 Film by Sum Frequency Generation Using Methanol as a Molecular Probe by Wang, Chuan-yi, Groenzin, Henning, Shultz, Mary Jane

“…Sum frequency generation (SFG) vibrational spectroscopy is applied to study the surface characteristics of a film composed of nanoscale TiO2 particles, in…”
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Direct Observation of Competitive Adsorption between Methanol and Water on TiO2:  An in Situ Sum-Frequency Generation Study by Wang, Chuan-yi, Groenzin, Henning, Shultz, Mary Jane

“…The competitive adsorption between water and methanol, as well as reversible hydroxylation/dehydroxylation on the TiO2 surface, is unambiguously resolved for…”
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Carbon K-edge X-ray Raman spectroscopy supports simple, yet powerful description of aromatic hydrocarbons and asphaltenes by Bergmann, Uwe, Groenzin, Henning, Mullins, Oliver C., Glatzel, Pieter, Fetzer, John, Cramer, S.P.

“…The nature and distribution of electron density in polycyclic aromatic hydrocarbons (PAHs) determines PAH properties. Theoretical investigations have yielded…”
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X-Ray Raman Spectroscopy-A New Tool to Study Local Structure of Aromatic Hydrocarbons and Asphaltenes by Bergmann, Uwe, Groenzin, Henning, Mullins, Oliver C., Glatzel, Pieter, Fetzer, John, Cramer, S. P.

“…Polycyclic aromatic hydrocarbons (PAHs) are essential components in numerous natural and man made organic compounds. In asphaltenes, knowledge of the…”
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Molecular Size and Structure of Asphaltenes from Various Sources by Groenzin, Henning, Mullins, Oliver C

“…Fluorescence depolarization measurements are used to determine the size of asphaltene molecules and of model compounds for comparison. Mean molecular weights…”
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Asphaltene Molecular Size and Structure by Groenzin, Henning, Mullins, Oliver C

“…The rotational correlation times of individual asphaltene molecules have been determined using fluorescence depolarization techniques, addressing an active,…”
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Sum-frequency generation: polarization surface spectroscopy analysis of the vibrational surface modes on the basal face of ice I(h) by Groenzin, Henning, Li, Irene, Shultz, Mary Jane

“…In recent years, sum-frequency generation (SFG) has been used to investigate numerous interfaces including aqueous interfaces. A longstanding challenge to…”
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The Overriding Chemical Principles that Define Asphaltenes by Buenrostro-Gonzalez, Eduardo, Groenzin, Henning, Lira-Galeana, Carlos, Mullins, Oliver C

“…Asphaltenes are defined in terms of their solubility classification. This operational definition combined with the previous controversy over asphaltene…”
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Probing Order in Asphaltenes and Aromatic Ring Systems by HRTEM by Sharma, Atul, Groenzin, Henning, Tomita, Akira, Mullins, Oliver C

“…Recent findings regarding the controversy surrounding asphaltene molecular weight coupled with increasing understanding of their molecular structure has…”
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Molecular Size of Asphaltene Solubility Fractions by Groenzin, Henning, Mullins, Oliver C, Eser, Semih, Mathews, Jonathan, Yang, Ming-Gang, Jones, Daniel

“…A fluorescence depolarization technique was used to determine the molecular size of asphaltene solubility fractions of a petroleum resid asphaltene. The…”
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Molecular size of asphaltene fractions obtained from residuum hydrotreatment by Buch, Louise, Groenzin, Henning, Buenrostro-Gonzalez, Eduardo, Andersen, Simon I, Lira-Galeana, Carlos, Mullins, Oliver C

“…Previously, fluorescence depolarization techniques (FD) have been shown to measure asphaltene molecular size, thereby establishing the substantial difference…”
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Hydrogen Bonding in the Hexagonal Ice Surface by Li Barnett, Irene, Groenzin, Henning, Shultz, Mary Jane

“…A recently developed technique in sum frequency generation spectroscopy, polarization angle null (or PAN-SFG), is applied to two orientations of the prism face…”
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Aqueous hydrogen bonding probed with polarization and matrix isolation spectroscopy by Shultz, Mary Jane, Bisson, Patrick, Buch, Victoria, Groenzin, Henning, Li, Irene

“…A major challenge in hydrogen-bond research is interpreting the vibrational spectrum of water, arguably the most fundamental hydrogen bonding system. This…”
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Comparative Study of Acetic Acid, Methanol, and Water Adsorbed on Anatase TiO 2 Probed by Sum Frequency Generation Spectroscopy by Wang, Chuan-yi, Groenzin, Henning, Shultz, Mary Jane

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Direct Observation of Competitive Adsorption between Methanol and Water on TiO 2 :  An in Situ Sum-Frequency Generation Study by Wang, Chuan-yi, Groenzin, Henning, Shultz, Mary Jane

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Surface Characterization of Nanoscale TiO 2 Film by Sum Frequency Generation Using Methanol as a Molecular Probe by Wang, Chuan-yi, Groenzin, Henning, Shultz, Mary Jane

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Gas-Oil Ratio of Live Crude Oils Determined by Near-Infrared Spectroscopy by Mullins, Oliver C., Daigle, Tim, Crowell, Chris, Groenzin, Henning, Joshi, Nikhil B.

“…The gas-oil ratio (GOR) of crude oil has a tremendous impact on the processes used for oil production from subsurface formations. Determination of GOR thus…”
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Molecular Species on Nanoparticulate Anatase TiO 2 Film Detected by Sum Frequency Generation:  Trace Hydrocarbons and Hydroxyl Groups by Wang, Chuan-yi, Groenzin, Henning, Shultz, Mary Jane

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