Halogen-Free Donor Polymers Based on Dicyanobenzotriazole with Low Energy Loss and High Efficiency in Organic Solar Cells.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202206607
Abstract: Halogenation of organic semiconductors is an efficient strategy for improving the performance of organic solar cells (OSCs), while the introduction of halogens usually involves complex synthetic process and serious environment pollution problems. Herein, three halogen-free… read more here.
Keywords: energy loss; halogen free; donor polymers; efficiency ... See more keywords
Biocompatible and Oxidation-Resistant Ti3 C2 Tx MXene with Halogen-Free Surface Terminations.
Sign Up to like & getrecommendations! Published in 2023 at "Small methods"
DOI: 10.1002/smtd.202201579
Abstract: Surface chemistry influences not only physicochemical properties but also safety and applications of MXene nanomaterials. Fluorinated Ti3 C2 Tx MXene, synthesized using conventional HF-based etchants, raises concerns regarding harmful effects on electronics and toxicity to… read more here.
Keywords: free ti3; halogen free; ti3 mxene; ti3 ... See more keywords
Metal- and halogen-free one-pot synthesis of functional oligomers by tetra-n-butylammonium acetate/alcohol system
Sign Up to like & getrecommendations! Published in 2019 at "Polymer Bulletin"
DOI: 10.1007/s00289-019-02917-6
Abstract: In this study, ring-opening polymerization of glycidyl phenyl ether (GPE) is performed using tetra-n-butylammonium acetate (n-Bu4NOAc) as a metal- and halogen-free initiator. Various alcohols are used as chain transfer agents (CTAs), of which ethanol yields… read more here.
Keywords: tetra butylammonium; metal halogen; butylammonium acetate; alcohol ... See more keywords
Halogen-free and phosphorus-free flame-retarded polycarbonate using cyclic polyphenylsilsesquioxanes
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Science"
DOI: 10.1007/s10853-020-04763-8
Abstract: Organic–inorganic hybrid macrocyclic compounds, polyphenylsilsesquioxanes (cyc-PPSQ), have been synthesized through hydrolysis and condensation reactions of phenyl trichlorosilane. PC/cyc-PPSQ flame retardant materials were obtained by melt blending cyc-PPSQ and PC using a twin-screw extruder. The combustion… read more here.
Keywords: flame; presence cyc; cyc ppsq; ppsq ... See more keywords
Environmentally-friendly solvent processed fullerene-free organic solar cells enabled by screening halogen-free solvent additives
Sign Up to like & getrecommendations! Published in 2017 at "Science China Materials"
DOI: 10.1007/s40843-017-9080-x
Abstract: Though the power conversion efficiencies (PCEs) of organic solar cells (OSCs) have been boosted to 12%, the use of highly pollutive halogenated solvents as the processing solvent significantly hinders the mass production of OSCs. It… read more here.
Keywords: solvent processed; halogen free; free solvent; solvent ... See more keywords
Homogeneous CuCl2/TMEDA/TEMPO-Catalyzed chemoselective base- and halogen- free aerobic oxidation of primary alcohols in mild conditions
Sign Up to like & getrecommendations! Published in 2021 at "Applied Catalysis A: General"
DOI: 10.1016/j.apcata.2021.118289
Abstract: Abstract This article describes the developing of a base- and halogen- free homogeneous system aiming to chemoselectively oxidize allyl, furyl, aryl and heteroaryl primary alcohols. The current easy-to-handle aerobic system uses few amounts of CuCl2/TMEDA/TEMPO… read more here.
Keywords: tmeda tempo; base halogen; cucl2 tmeda; tmeda ... See more keywords
Fabrication of cellulose-based halogen-free flame retardant and its synergistic effect with expandable graphite in polypropylene.
Sign Up to like & getrecommendations! Published in 2019 at "Carbohydrate polymers"
DOI: 10.1016/j.carbpol.2019.02.088
Abstract: In this paper, a mono-component, cellulose-based and intumescent halogen-free flame retardant (HECPM) was prepared by introducing phosphate groups and melamine groups onto the structure of cellulose. And the chemical structure and surface morphology of HECPM… read more here.
Keywords: flame retardant; free flame; hecpm; flame ... See more keywords
Impact of Aryl End Group Engineering of Donor Polymers on the Morphology and Efficiency of Halogen-Free Solvent-Processed Nonfullerene Organic Solar Cells.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.1c22784
Abstract: End group engineering on the side chain of π-conjugated donor polymers is explored as an effective way to develop efficient photovoltaic devices. In this work, we designed and synthesized three new π-conjugated polymers (PBDT-BZ-1, PBDT-S-BZ,… read more here.
Keywords: end group; group engineering; end; halogen free ... See more keywords
Investigation of the Fire Performance of Polyamide 6-Based Composites with Halogen-free Flame Retardants and Synergistic Materials
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.2c02018
Abstract: In this study, halogen-free flame retardants and metal synergist materials were used to enhance the flammability of PA6. PA6-based composites including various fractions of additives were manufactured using a twin-screw extruder and an injection molding… read more here.
Keywords: based composites; flame; halogen free; 15fr 1mh ... See more keywords
Transport and Association of Ions in Lithium Battery Electrolytes Based on Glycol Ether Mixed with Halogen-Free Orthoborate Ionic Liquid
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-16597-7
Abstract: Ion transport behaviour of halogen-free hybrid electrolytes for lithium-ion batteries based on phosphonium bis(salicylato)borate [P4,4,4,8][BScB] ionic liquid mixed with diethylene glycol dibutyl ether (DEGDBE) is investigated. The Li[BScB] salt is dissolved at different concentrations in… read more here.
Keywords: bscb; ionic liquid; ion; halogen free ... See more keywords
Novel sulfonate-containing halogen-free flame-retardants: effect of ternary and quaternary sulfonates centered on adamantane on the properties of polycarbonate composites
Sign Up to like & getrecommendations! Published in 2017 at "RSC Advances"
DOI: 10.1039/c7ra06504c
Abstract: In order to find a more environmentally friendly flame retardant, we have designed a novel halogen-free flame-retardant (FR) system consisting of ternary and quaternary sulfonates centered on adamantane. They are named 1,3,5-tri(phenyl-4-sodium sulfonate)adamantane (AS3) and… read more here.
Keywords: ternary quaternary; free flame; flame; quaternary sulfonates ... See more keywords