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   Articles with "phenylene" as a keyword



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Molecular "Building Block" and "Side Chain Engineering": Approach to Synthesis of Multifunctional and Soluble Poly(pyrrole phenylene)s.

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recommendations! Published in 2019 at "Macromolecular rapid communications"

DOI: 10.1002/marc.201800749

Abstract: Here, the synthesis of a novel poly(pyrrole phenylene) (PpyP) that is both modular in ways of functionalization and soluble in organic solvents is reported, and therefore solution processable. This is achieved through the functionalization of… read more here.

Keywords: poly pyrrole; polymerization; side chain; phenylene ... See more keywords
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Magnetic Ti-containing phenylene-based mesoporous organosilica: A powerful nanocatalyst with high recoverability

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recommendations! Published in 2021 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"

DOI: 10.1016/j.colsurfa.2020.125603

Abstract: Abstract In this study, preparation, characterization and catalytic application of a novel core-shell structured magnetic Ti-loaded phenylene-based nanoporous organosilica (Mag@Ti-NOS) nanocomposite are developed. The Mag@Ti-NOS was synthesized via cetyltrimethylammonium bromide (CTAB) directed co-condensation of tetramethoxysilane… read more here.

Keywords: based mesoporous; magnetic containing; phenylene based; phenylene ... See more keywords
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Alternating phenylene and furan/pyrrole/thiophene units-based oligomers: A computational study of the structures and optoelectronic properties

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recommendations! Published in 2018 at "Chemical Physics Letters"

DOI: 10.1016/j.cplett.2017.12.034

Abstract: Abstract Structural and optoelectronic properties of phenylene-furan, phenylene-pyrrole and phenylene-thiophene oligomers are reported using density functional theory methods. Studies reveal that stabilities of conformers change with increasing chain length, and helical conformers are energetically feasible… read more here.

Keywords: optoelectronic properties; phenylene; phenylene furan; thiophene ... See more keywords
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Visible-light driven photocatalytic oxygen evolution reaction from new poly(phenylene cyanovinylenes)

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recommendations! Published in 2017 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2017.04.028

Abstract: Abstract Two new n-type conjugated polymers, poly( N -(2-ethylhexyl)-3,6-carbazole- p -bis(2-ethylhexyloxy)-phenylene cyanovinylene) ( P1 ) and poly( N -(2-ethylhexyl)-3,6-carbazole- p -bisdodecyloxy-phenylene cyanovinylene) ( P2 ) were synthesized and explored for their photo-electrochemical catalytic activity for… read more here.

Keywords: oxygen evolution; evolution reaction; visible light; phenylene ... See more keywords
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Effects of alkyl or alkyloxy side chains in poly[4,6-bis(3′-dodecylthien-2′-yl)thieno-[3,4-c][1,2,5]thiadiazole-5′,5′-diyl-alt-2,5-di(alkyl or alkyloxy)-1,4-phenylene]: Synthesis, photophysics, and spectroelectrochemical and photovoltaic properties

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recommendations! Published in 2017 at "Polymer"

DOI: 10.1016/j.polymer.2017.04.057

Abstract: Abstract New low-bandgap donor-acceptor functional copolymers, CDTDP and CDTDOP, composed of 4,6-bis-(3′-dodecylthien-2′-yl)thieno[3,4- c ][1,2,5]thiadiazole (DT) and 2,5-didodecyl-1,4-phenylene (DP) or 2,5-didodecyloxy-1,4-phenylene (DOP) structural units, respectively, were synthesized by a rapid Suzuki coupling reaction of the corresponding… read more here.

Keywords: side chains; alkyloxy side; phenylene; alkyl alkyloxy ... See more keywords
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Aromatic polyesters derived from 5,5′-disubstituted bis(m-phenylene) crown ethers

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recommendations! Published in 2018 at "Polymer"

DOI: 10.1016/j.polymer.2018.03.031

Abstract: Abstract A new monomer of the AB type, 5-carboxy-1,3-phenylene-5′-hydroxy-1′,3′-phenylene-32-crown-10 (5), was synthesized. Direct polymerizations of bis(5-hydroxy-1,3-phenylene)-32-crown-10 (13), an AA diphenolic macrocyclic monomer, with BB diacid monomer bis(5-carboxy-1,3-phenylene)-26-crown-8 (14) and its larger analog bis(5-carboxy-1,3-phenylene)-32-crown-10 (16) were… read more here.

Keywords: bis carboxy; phenylene crown; phenylene; carboxy phenylene ... See more keywords
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Theoretical investigation of the structural and electronic properties of molecular machine based on phenylene and trityl

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recommendations! Published in 2021 at "South African Journal of Chemical Engineering"

DOI: 10.1016/j.sajce.2021.06.005

Abstract: Abstract The electronic, spectral and structural properties of a molecular machine composed of a phenylene rotator encased by two trityl stators and two acetylides as axis are investigated theoretically to evaluate the rotational dynamics by… read more here.

Keywords: phenylene; theoretical investigation; molecular machine; investigation structural ... See more keywords
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Rigidification of Poly(p-phenylene)s through ortho-Phenyl Substitution

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recommendations! Published in 2020 at "Macromolecules"

DOI: 10.1021/acs.macromol.0c00810

Abstract: A sterically π-congested ortho-phenylated poly(p-phenylene) (PPP) has been synthesized with unprecedentedly high molecular weights up to 29 kDa after fractionation, as confirmed by gel permeation chromatography coupled with a multiangle laser light scattering detector. The… read more here.

Keywords: ortho phenyl; phenyl substitution; rigidification poly; phenylene ortho ... See more keywords
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The Dual Role of Bridging Phenylene in an Extended Bipyridine System for High-Voltage and Stable Two-Electron Storage in Redox Flow Batteries.

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recommendations! Published in 2021 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.1c09019

Abstract: Aqueous organic redox flow batteries (AORFBs) are regarded as a promising solution for grid-scale and sustainable energy storage, but some long-standing problems such as low energy density and cycling stability should be resolved. Herein, a… read more here.

Keywords: voltage; storage; flow batteries; redox ... See more keywords
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New porphyrin dendrimers with fluorenyl-based connectors: a simple way to improving the optical properties over dendrimers featuring 1,3,5-phenylene connectors

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recommendations! Published in 2020 at "New Journal of Chemistry"

DOI: 10.1039/c9nj06166e

Abstract: Two new meso-tetrafluorenylporphyrin-cored dendrimers 1 and 2 have been synthesized and characterized. The peripheral fluorenyl units of these dendrimers are linked to the central tetrafluorenylporphyrin (TFP) core by original fluorene-based connectors instead of the more… read more here.

Keywords: fluorenyl based; phenylene; based connectors; porphyrin dendrimers ... See more keywords

Benzothiazole appended 2,2′-(1,4-phenylene)diacetonitrile for the colorimetric and fluorescence detection of cyanide ions

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recommendations! Published in 2022 at "RSC Advances"

DOI: 10.1039/d2ra03702e

Abstract: A benzothiazole appended 2,2′-(1,4-phenylene)diacetonitrile derivative (2Z,2′Z)-2,2′-(1,4-phenylene)bis(3-(3-(benzo[d]thiazol-2-yl)-4-hydroxyphenyl)acrylonitrile) (PDBT) has been synthesized and investigated as a novel sensor, capable of showing high selectivity and sensitivity towards CN− over a wide range of other interfering anions. After reaction… read more here.

Keywords: phenylene; pdbt; appended phenylene; benzothiazole appended ... See more keywords