Structural Studies of Cetyltrimethylammonium Chloride and its Complex with <i>p</i>-Phenylphenol

Okuyama, Kenji; Ishii, T.; Vongbupnimit, Kulthida; Noguchi, Keiichi

doi:10.1080/10587259808042434

Cited by 12 publications

(2 citation statements)

References 6 publications

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“…Thesurfactant molecules would assemble into abilayer structure during the drying process. [12] This cation surfactant interface plays multiple roles in the CO 2 RR process:(1) CO 2 molecules have easy access to the catalysts surface through the bilayer region ( Figure 1D), especially in use of long chain surfactant molecules.T his is because the long hydrocarbon chains provide multiple aerophilic tunnels for CO 2 transportation. Therefore,d uring continuous bubbling in aH -type cell, the surfactant coated electrode should be able to capture more CO 2 bubbles (detailed discussion in Figure 3).…”

Section: Resultsmentioning

confidence: 99%

An Artificial Electrode/Electrolyte Interface for CO₂ Electroreduction by Cation Surfactant Self‐Assembly

Yang

et al. 2020

Angewandte Chemie

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In this work, an artificial electrode/electrolyte (E/E) interface,made by coating the electrode surface with aquaternary ammonium cation (R 4 N +)s urfactant, was successfully developed, leading to ac hange in the CO 2 reduction reaction (CO 2 RR) pathway.This artificial E/E interface,with high CO 2 permeability,p romotes CO 2 transportation and hydrogenation, as well as suppresses the hydrogen evolution reaction (HER). Linear and branched surfactants facilitated formic acid and CO production, respectively.M olecular dynamics simulations show that the artificial interface provided af acile CO 2 diffusion pathway.M oreover,d ensity-functional theory (DFT) calculations revealed the stabilization of the key intermediate,O CHO*, through interactions with R 4 N + .T his strategy might also be applicable to other electrocatalytic reactions where gas consumption is involved.

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Section: Resultsmentioning

confidence: 99%

An Artificial Electrode/Electrolyte Interface for CO₂ Electroreduction by Cation Surfactant Self‐Assembly

Yang

et al. 2020

Angewandte Chemie

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“…A similar herringbone structure had been revealed for the dialkylimidazolium salt containing a V-shaped pentaiodide (I 5 – ) counterion . Several other reports also provide evidence for the strong dependency of salt crystal structures on the size or chemical structure of the counterions. − …”

Section: Resultsmentioning

confidence: 99%

Deciphering the 3D Microstructures of a Doubly Charged Homopolymer through a Complementary Correlation of Monomer Crystallography and Polymer Powder X-ray Diffraction

et al. 2020

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This work unravels the bulk microstructure of a doubly charged homopolymer by correlating crystallographic details from single-crystal X-ray diffraction (SCXRD) of the monomer with the crystalline order of the polymer utilizing powder X-ray diffraction (PXRD). The homopolymer, synthesized through reversible addition−fragmentation chain transfer (RAFT) polymerization, features a styrenic backbone with amphiphilic pendant groups containing a doubly charged 1,4diazabicyclo[2.2.2]octane (DABCO) salt that is attached to a terminal octadecyl (C 18 ) chain. SCXRD of the single crystals grown from the monomers reveals that the amphiphilic monomers prefer to pack into a highly ordered herringbone lamellar structure that facilitates electrostatic interactions between the DABCO salt units and hydrophobic associations of the styrene moieties and pendant C 18 chains. Following living radical polymerization from a homogeneous solution, the resulting homopolymer was found to be semicrystalline, despite the expected stereoirregularity (atactic configuration) of the styrenic backbone. Surprisingly, comparisons of the PXRD patterns of the monomer and annealed homopolymer suggest that the homopolymer also crystallizes into a herringbone lamellar structure similar to that of the monomer. Moreover, the V-shaped counterion geometry likely plays an important role in the formation of the herringbone structure for the monomer and the homopolymer to maximize dipole−dipole interactions. Through correlations of the precise crystallographic details of the monomer with the PXRD patterns of the semicrystalline homopolymer, this study highlights a powerful approach in developing a structural model to define the morphology of polymers with complex chemical structures and hierarchical ordering.

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Die Bildung von Riesenliposomen aus kristallinen Komplexen von Monoalkylammoniumtensiden und 4-Hydroxybiphenyl

et al. 1999

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Structural Studies of Cetyltrimethylammonium Chloride and its Complex with p-Phenylphenol

Cited by 12 publications

References 6 publications

An Artificial Electrode/Electrolyte Interface for CO₂ Electroreduction by Cation Surfactant Self‐Assembly

An Artificial Electrode/Electrolyte Interface for CO₂ Electroreduction by Cation Surfactant Self‐Assembly

Deciphering the 3D Microstructures of a Doubly Charged Homopolymer through a Complementary Correlation of Monomer Crystallography and Polymer Powder X-ray Diffraction

Die Bildung von Riesenliposomen aus kristallinen Komplexen von Monoalkylammoniumtensiden und 4-Hydroxybiphenyl

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Structural Studies of Cetyltrimethylammonium Chloride and its Complex with p-Phenylphenol

Cited by 12 publications

References 6 publications

An Artificial Electrode/Electrolyte Interface for CO2 Electroreduction by Cation Surfactant Self‐Assembly

An Artificial Electrode/Electrolyte Interface for CO2 Electroreduction by Cation Surfactant Self‐Assembly

Deciphering the 3D Microstructures of a Doubly Charged Homopolymer through a Complementary Correlation of Monomer Crystallography and Polymer Powder X-ray Diffraction

Die Bildung von Riesenliposomen aus kristallinen Komplexen von Monoalkylammoniumtensiden und 4-Hydroxybiphenyl

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An Artificial Electrode/Electrolyte Interface for CO₂ Electroreduction by Cation Surfactant Self‐Assembly

An Artificial Electrode/Electrolyte Interface for CO₂ Electroreduction by Cation Surfactant Self‐Assembly