Synthesis of High Refractive Index Polymer Thin Films for Soft, Flexible Optics Through Halomethane Quaternization of Poly(4‐Vinylpyridine)
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Optical Materials"
DOI: 10.1002/adom.202302201
Abstract: Applications in soft, flexible optical, and optoelectronic applications demand polymer thin film coatings that can accommodate substantial physical deformations. The preparation of high refractive index polymers (HRIPs) through the quaternization of poly(4‐vinylpyridine) (P4VP) thin films… read more here.
Keywords: spectroscopy; thin films; optics; quaternization ... See more keywords
A Universal Polyiodide Regulation Using Quaternization Engineering toward High Value‐Added and Ultra‐Stable Zinc‐Iodine Batteries
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202105598
Abstract: The development of aqueous rechargeable zinc‐iodine (Zn‐I2) batteries is still plagued by the polyiodide shuttle issue, which frequently causes batteries to have inadequate cycle lifetimes. In this study, quaternization engineering based on the concept of… read more here.
Keywords: quaternization; quaternization engineering; iodine batteries; zinc iodine ... See more keywords
Quaternization of a Polystyrene-block-poly(4-vinylpyridine) Isoporous Membrane: An Approach to Tune the Pore Size and the Charge Density.
Sign Up to like & getrecommendations! Published in 2019 at "Macromolecular rapid communications"
DOI: 10.1002/marc.201800729
Abstract: Isoporous integral asymmetric membranes derived from the self-assembly of block copolymers combined with the non-solvent-induced phase separation (SNIPS) have gained great attention. To extend their utility, good control over pore size and surface functionality in… read more here.
Keywords: pore size; size; poly vinylpyridine; quaternization ... See more keywords
Electron Transporting Polymeric Materials with Partial Quaternization for High‐Performance Organic Solar Cells
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DOI: 10.1002/marc.202400479
Abstract: Efficient cathode interfacial layers (CILs) have become a crucial component of organic solar cells (OSCs). Charge extraction barriers, interfacial trap states, and significant transport resistance may be induced due to the unfavorable cathode interlayer, limiting… read more here.
Keywords: solar cells; quaternization; performance; electron transporting ... See more keywords
Synthesis of Aryldiphenylphosphine Oxides by Quaternization of Tertiary Diphenylphosphines with Aryl Bromides Followed by the Wittig Reaction
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DOI: 10.1021/acsomega.0c01413
Abstract: A two-step method for the synthesis of aryldiphenylphosphine oxides from tertiary diphenylphosphines and aryl bromides is developed. The first step is the quaternization of methyldiphenylphosphine or benzyldiphenylphosphine with aryl bromides. This quaternization can be nickel-catalyzed… read more here.
Keywords: aryl bromides; synthesis aryldiphenylphosphine; quaternization; aryldiphenylphosphine oxides ... See more keywords
Poly(vinyl pyridine) and Its Quaternized Derivatives: Understanding Their Solvation and Solid State Properties
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DOI: 10.3390/polym14040804
Abstract: A series of N-methyl quaternized derivatives of poly(4-vinylpyridine) (PVP) were synthesized in high yields with different degrees of quaternization, obtained by varying the methyl iodide molar ratio and affording products with unexplored optical and solvation… read more here.
Keywords: solvation properties; quaternized derivatives; quaternization; vinyl pyridine ... See more keywords