In aqueous dispersions of graphene quantum dots (GQDs), aniline is <italic>in situ</italic> polymerized to produce polyaniline-GQDs hybrids and dye-sensitized solar cells fabricated with the indicate highest power conversion efficiency 3.12%.

Abstract The leaf extract of Acacia nilotica (Babool) is rich in different types plant secondary metabolites such as flavanoids, tannins, triterpenoids, saponines, etc. We have demonstrated the use for synthesis gold nanoparticles water at room temperature under very mild conditions. was complete several minutes, and no extra stabilizing or capping agents were necessary. size could be controlled by varying concentration extract. characterized HRTEM, surface plasmon resonance spectroscopy,...

Abstract The ability to engineer custom‐made medical devices and implant them minimally invasively are two important trends in modern surgery. personalization of the device is achieved by 3D printing it, while capacity deploy it harnesses shape memory behavior displayed inks used. This study introduces a printed, memory‐displaying tracheal stent based on novel, flexible photo‐polymerizable comprising polypropylene glycol/polycaprolactone triblocks. research situ welding strategy, whereby...

In this Feature Article, we discuss the variation of optoelectronic properties with aggregation style polythiophene (PT) graft copolymers and polymer-modified graphene systems. Grafting flexible polymers on a PT chain exhibits several self-organized patterns under various conditions, causing different optical electronic properties, arising from conformational states conjugated chain. Graphene, zero band gap material, is functionalized both covalently noncovalently to create finite importing...

Poly(N,N′-dimethylaminoethyl methacraylate) (PDMAEMA) functionalized reduced graphene oxide (rGO) is synthesized by atom transfer radical polymerization, followed attachment to rGO via diazonium coupling. The rGO-PDMAEMA (RGP) characterized 1H NMR, UV-Vis, FTIR and Raman spectroscopy. TEM AFM studies demonstrate the formation of molecular brushes PDMAEMA chains over surface, TGA thermograms indicate 55 wt% grafting PDMAEMA. RGP dispersible in widest spectrum solvents from CCl4 water...

A novel photo-crosslinkable, biocompatible, fouling resistant, UV-assisted coating composed of ZnO nanoparticles in methacrylate end-terminal PLA- block -PEG copolymers for combatting implant-associated infections.

PVDF-<italic>g</italic>-PMeO₂MA produced by combined ATRC and ATRP methods exhibits a tuneable LCST with graft composition temperature triggered antifouling property.

ABSTRACT Poly(vinylidene fluoride) (PVDF) is known for its biocompatibility, piezo and pyro‐electricity, membrane forming capability. In order to tune properties, modification through grafting from approach by atom transfer radical polymerization (ATRP) preferred. Hydrophilic polymers like poly(ethylene glycol) methacrylate, poly(methacrylic acid), poly(dimethylaminoethyl methacrylate) (PDMAEMA), so forth have been anchored PVDF backbone in make permeation of water molecules the based...

A thermoresponsive polymer poly(diethylene glycol methyl ether methacrylate) (PMeO2MA) is grafted from poly(vinylidene fluoride) (PVDF) backbone by using a combined ATRC and ATRP technique with high conversion (69%) of the monomer to produce graft copolymer (PD). It highly soluble its solution property studied varying polarity in pure solvents (water, methanol, isopropanol) also mixed (water–methanol water–isopropanol) measuring hydrodynamic size (Z-average) particles dynamic light...

Doping facilitates the tuning of band gap, providing an opportunity to tailor optoelectronic properties graphene in a simple way, and polymer-assisted doping is new route combine with polymer. In this endeavor, linear diblock copolymer, polycaprolactone-block-poly(dimethyl aminoethyl methacrylate) (PCL13-b-PDMAEMA117) (GPCLD) grafted from oxide (GO) surface via consecutive ring opening atom transfer radical polymerization. GPCLD characterized using proton nuclear magnetic resonance (1H NMR),...

The multifarious applications of graphene quantum dots (GQDs) necessitate surface modifications to enhance their solution processability. Herein, we report the synthesis and self-assembly GQDs grafted with poly(ε-caprolactone) (PCL) different degrees polymerization (3, 7, 15, 21) produced from ring-opening polymerization. Optical morphological studies unveil transformation assemblies J-aggregates H-aggregates, accompanied by an alteration in morphology toroid spheroid rodlike structures...

ABSTRACT In order to study the self‐assembly of block copolymer grafted from graphene oxide (GO) by fluorescence GO, poly(ε‐caprolactone) (PCL)‐block‐poly(dimethyl aminoethyl methacrylate) (PDMAEMA) is its surface using consecutive ring opening (ROP) and atom transfer radical polymerization (ATRP). GO‐g‐(PCL 13 ‐b‐PDMAEMA 117 ) (GPCLD) at pH 9.2 exhibits cloud point ( T c 32 °C. At HRTEM images indicate schizophrenic morphology vesicle 26 °C annular 30 followed giant size aggregation 38 But...

Electrodeposition of aluminum and its alloys is great interest in the aerospace, automobile, microelectronics, energy, recycle, other industrial sectors, as well for defense and, potentially, electrochemical printing applications. Here, first time, we report room-temperature electroplating pure on copper nickel substrates from an ionic liquid (IL) consisting 1-Hexyl-3-methylimidazolium (HMIm) cation bis(trifluoromethylsulfonyl)imide (TFSI) anion, with a high concentration 8 mol/L AlCl3...

ABSTRACT Poly(vinylidene fluoride)(PVDF)‐graft‐random copolymers(PD) of diethyleneglycol methylether methacrylate(MeO 2 MA) and dimethylaminoethyl methacrylate(DMAEMA) are synthesized by a combined atom transfer radical coupling polymerization technique at three different co‐monomer compositions. The molar ratio MeO MA to DMAEMA in PD measured be 1:5.8, 1:1.3, 1:0.5 for PD1, PD2, PD3 graft copolymers. In PD2 the feed mole same indicating an azeotropic composition causing highest yield (89%)...

Polyaniline supramolecularly grafted with polyethylene glycol coupled β-cyclodextrin forming a pseudorotaxane structure shows an extremely high solubility, higher degree of doping, and highly efficient radical cation stabilization.

Following a supramolecular synthon rationale, dicarboxylic acid derivative having naphthalenediimide (NDI) core, namely, bis-N-carboxymethyl (NDI-G), was reacted with n-alkyl amines varying alkyl chain lengths to generate new series of primary ammonium dicarboxylate (PAD) salts. The majority the salts (≈85 %) were found gel various polar solvents. gels characterized by dynamic rheology and high-resolution electron microscopy. Single-crystal powder X-ray diffraction analyses used study...

The Ion-Sensitive Field-Effect Transistor (ISFET) is one of the most popular pH sensors traditionally using to measure hydrogen ion concentration (pH) electrolytic solutions. It developed from Metal Oxide Semiconductor (MOSFET) by replacing gate electrode with an solution be tested, and a reference metal immersed in that solution. Basic principle ISFET operation based on standard NMOS structure conjunction insulator-electrolyte capacitor as described this paper. site-binding theory...