E
Emma L. DeWalt-Kerian
Researcher at University of Alberta
Publications - 6
Citations - 227
Emma L. DeWalt-Kerian is an academic researcher from University of Alberta. The author has contributed to research in topics: Aqueous solution & Chemistry. The author has an hindex of 3, co-authored 4 publications receiving 148 citations.
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Journal ArticleDOI
Separating the pH-Dependent Behavior of Water in the Stern and Diffuse Layers with Varying Salt Concentration
Akemi M. Darlington,Tasha A. Jarisz,Emma L. DeWalt-Kerian,Sandra Roy,Sun Kim,Md. Shafiul Azam,Dennis K. Hore,Julianne M. Gibbs +7 more
TL;DR: In this paper, the authors used vibrational sum frequency generation (SFG) spectroscopy to distinguish different populations of water molecules within the electric double layer (EDL) at the silica/water interface.
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pH-Dependent Inversion of Hofmeister Trends in the Water Structure of the Electrical Double Layer
TL;DR: SFG results indicate a direct Hofmeister series of cation adsorption at pH 8 (Li+ < Na+ < K+ < Cs+), with an inversion in SFG intensity trends also occurred at pH < 6, which was attributed to contributions from asymmetric cation hydration and EDL overcharging.
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New Insights into χ(3) Measurements: Comparing Nonresonant Second Harmonic Generation and Resonant Sum Frequency Generation at the Silica/Aqueous Electrolyte Interface
Benjamin Rehl,Mokhtar Rashwan,Emma L. DeWalt-Kerian,Tasha A. Jarisz,Akemi M. Darlington,Dennis K. Hore,Julianne M. Gibbs +6 more
TL;DR: In this paper, different pH-dependent behaviors at the mineral oxide/aqueous electrolyte interface have been observed by nonresonant second harmonic generation (SHG) and resonant sum frequency generators.
Journal ArticleDOI
Water Structure in the Electrical Double Layer and the Contributions to the Total Interfacial Potential at Different Surface Charge Densities.
Benjamin Rehl,Emily Ma,Shyam Parshotam,Emma L. DeWalt-Kerian,Tianli Liu,Franz M. Geiger,Julianne M. Gibbs +6 more
TL;DR: In this article , the individual Stern layer and diffuse layer OH stretching spectra at the silica/water interface in the presence of NaCl over a wide pH range using a combination of vibrational sum frequency generation spectroscopy, heterodyned second harmonic generation, and streaming potential measurements.
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Correction to “pH-Dependent Inversion of Hofmeister Trends in the Water Structure of the Electrical Double Layer”
TL;DR: The pH 11 spectrum for LiCl was missing, and the pH 10−6 spectra were shown to be 1 pH unit lower than the actual pH based on the color sequence shown in the Figure 1 legend, which has been revised.