Visible Light Induced Conventional Step-growth and Chain-Growth Condensation Polymerizations by Electrophilic Aromatic Substitution.
Sign Up to like & getrecommendations! Published in 2021 at "Macromolecular rapid communications"
DOI: 10.1002/marc.202100584
Abstract: A novel visible light induced step-growth polymerization by electrophilic aromatic substitution between photochemically generated carbocations and dimethoxybenzene nucleophile is described. Conventional step-growth polymerization and chain-growth condensation polymerization (CCP) mechanisms are presented. It was found that… read more here.
Keywords: chain; light induced; visible light; step growth ... See more keywords
Improved Crystallization of Lead Halide Perovskite in Two‐Step Growth Method by Polymer‐Assisted “Slow‐Release Effect”
Sign Up to like & getrecommendations! Published in 2023 at "Small Methods"
DOI: 10.1002/smtd.202201663
Abstract: Fast reaction between organic salt and lead iodide always leads to small perovskite crystallites and concentrated defects. Here, polyacrylic acid is blended with organic salt, so as to regulate the crystallization in a two‐step growth… read more here.
Keywords: two step; organic salt; effect; crystallization ... See more keywords
Single-step growth of pyramidally textured NiO nanostructures with improved supercapacitive properties
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2016.11.036
Abstract: Abstract Here, we report the fabrication of one step NiO nanopyramid thin film as a binder-free electrode with improved electrochemical properties using a reactive magnetron sputtering. The crystalline nature, surface morphology and chemical composition of… read more here.
Keywords: microscopy; growth pyramidally; step growth; single step ... See more keywords
One-step growth of Na2Ti3O7 nanorods for enhanced photocatalytic activities and recyclability
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2018.03.332
Abstract: Abstract The present study uses a facile method to synthesize sodium titanate nanorods on the titanate foil by a novel alkali hydrothermal growth process. The sodium titanate nanorods exhibit a very strong and broad blue… read more here.
Keywords: step growth; sodium titanate; one step; titanate nanorods ... See more keywords
Phase transformation by a step-growth mechanism in annealed La–Mg–Ni-based layered-stacking alloys
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2020.154282
Abstract: Abstract The present work contributes to the knowledge of a particular microstructure in which numerous stripes emerge in the annealed La–Mg–Ni-based hydrogen storage alloys. Stripe-shaped structures characterized by electron back scattered diffraction (EBSD) and transmission… read more here.
Keywords: phase; growth mechanism; step growth; phase transformation ... See more keywords
Direct insight into the kinetics of the high-pressure step-growth polymerization of DGEBA/aniline model system
Sign Up to like & getrecommendations! Published in 2019 at "Polymer"
DOI: 10.1016/j.polymer.2019.04.001
Abstract: Abstract In this paper, the high-pressure calorimetry was used to monitor the heat of the polymerization of bisphenol-A diglycidyl ether (DGEBA) mixed with a stoichiometric amount of aniline over a wide range of pressure (p = 0.1–350 MPa at… read more here.
Keywords: growth polymerization; high pressure; model; polymerization ... See more keywords
Click Step-Growth Polymerization and E/Z Stereochemistry Using Nucleophilic Thiol–yne/–ene Reactions: Applying Old Concepts for Practical Sustainable (Bio)Materials
Sign Up to like & getrecommendations! Published in 2022 at "Accounts of Chemical Research"
DOI: 10.1021/acs.accounts.2c00293
Abstract: Conspectus Polymer sustainability is synonymous with “bioderived polymers” and the zeitgeist of “using renewable feedstocks”. However, this sentiment does not adequately encompass the requirements of sustainability in polymers. In addition to recycling considerations and mechanical… read more here.
Keywords: step growth; stereochemistry; thiol yne; chemistry ... See more keywords
DFT Studies on the Polymerization of Functionalized Styrenes Catalyzed by Rare-Earth-Metal Complexes: Factors Affecting C–H Activation Relevant to Step-Growth Polymerization
Sign Up to like & getrecommendations! Published in 2018 at "Organometallics"
DOI: 10.1021/acs.organomet.8b00532
Abstract: The polymerization mechanism of functionalized styrene derivatives, viz., p-NMe2 (pMNS)-, o-/p-OCH3 (o/pMOS)-, and p-SCH3 (pMTS)-substituted styrene, catalyzed by cationic rare-earth-metal catalysts has been comparatively studied through density functional theory (DFT) calculations. Having achieved an agreement… read more here.
Keywords: growth polymerization; polymerization; step growth; metal ... See more keywords
Coumarinacyl Anilinium Salt: A Versatile Visible and NIR Photoinitiator for Cationic and Step-Growth Polymerizations.
Sign Up to like & getrecommendations! Published in 2023 at "ACS macro letters"
DOI: 10.1021/acsmacrolett.2c00675
Abstract: A coumarinacyl anilinium (CAA) salt, facilely synthesized via a one-pot reaction, is shown to be a versatile visible and NIR photoinitiator for cationic and step-growth polymerizations. CAA salt exhibits superior photoinitiation performance as compared to… read more here.
Keywords: step growth; caa salt; coumarinacyl anilinium; salt ... See more keywords
Step-Growth Polymerization Method for Ultrahigh Molecular Weight Polymers
Sign Up to like & getrecommendations! Published in 2019 at "ACS Macro Letters"
DOI: 10.1021/acsmacrolett.9b00475
Abstract: The preparation of polymers with an ultrahigh molecular weight (>106 g/mol; UHMW) is always a challenge for homogeneous step-growth polymerization. Herein, a unique homogeneous step-growth polymerization method was developed to prepare various UHMW polymers. In… read more here.
Keywords: polymerization method; step growth; polymerization; growth polymerization ... See more keywords
Photoinduced Step-Growth Polymerization of N-Ethylcarbazole.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.8b08668
Abstract: A novel method for photochemical step-growth synthesis of poly( N-ethylcarbazole) (PEC) via consecutive diphenyl iodonium hexafluorophospate (Ph2I+PF6-) mediated electron transfer and coupling reactions is reported. The photoinduced electron transfer reaction of the excited N-ethylcarbazole (EC)… read more here.
Keywords: growth polymerization; step; electron transfer; step growth ... See more keywords