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Fabrication of complex molecular films of organic materials is one of the most important issues in modern nanoscience and nanotechnology. Soft materials with flexible properties have been given much attention and can be obtained through…

材料科学 · 物理学 2011-06-21 P. K. Paula , S. A. Hussain , D. Bhattacharjee , M. Pal

This communication reports the formation and characterization of self assembled films of a low molecular weight anionic dye amaranth and polycation Poly (allylamine hydrochloride) (PAH) by electrostatic alternating Layer-by-Layer (LBL)…

材料科学 · 物理学 2008-07-22 D. Dey , Syed Arshad Hussain , R. K. Nath , D. Bhattacharjee

The adsorption of three different polycations at the negatively charged surface of tubular J-aggregates of the amphiphilic cyanine dye 3,3'-bis(2-sulfopropyl)-5,5',6,6'-tetrachloro-1,1'-dioctylbenzimidacarbocyanine (C8S3) is investigated by…

Thin films based on Layer-by-Layer (LbL) self assembled technique are useful for immobilization of DNA onto solid support. This communication reports the immobilization of DNA onto a solid support by electrostatic interaction with a…

材料科学 · 物理学 2009-11-13 Syed Arshad Hussain , P. K. Paul , D. Dey , D. Bhattacharjee , S. Sinha

This work presents a cost-effective alternative technology for the formation of nanostructured semiconductor materials for tunable light emitting devices. CdS and ZnS semiconducting colloid nanoparticles coated with organic shell,…

介观与纳米尺度物理 · 物理学 2007-05-23 Suryajaya , A. Nabok , F. Davis , A. Hassan , S. P. J. Higson , J. Evans-Freeman

It is investigated the formation of the phase composition and structure in the nanoscaled CoSbx (30 nm) films deposited by the method of molecular-beam epitaxy on the substrates of the oxidated monocrystalline silicon at 200 C and following…

材料科学 · 物理学 2017-01-10 R. A. Shkarban , Ya. S. Peresunko , E. P. Pavlova , S. I. Sidorenko , A. Csik , Yu. N. Makogon

Thin aluminum oxide films were deposited by a new and simple physicochemical method called chemical liquid phase deposition (CLD) on semiconductor materials. Aluminum sulfate with crystallized water and sodium bicarbonate were used as…

材料科学 · 物理学 2007-05-23 Jie Sun , Yingchun Sun

The layer-by-layer (LbL) technique is adopted for the construction of multilayers encompassing chitosan and graphene oxide (GO) platelets capable of improving the flame retardant properties open cell PU foams. The LbL assembly follows a…

化学物理 · 物理学 2018-06-29 Lorenza Maddalena , Federico Carosio , Julio Gomez , Guido Saracco , Alberto Fina

Directed self-assembly of block copolymer polystyrene-b-polyethylene oxide (PS-b-PEO) thin film was achieved by one-pot methodology of solvent vapour assisted nanoimprint lithography (SAIL).

Nanocomposite films were fabricated by supersonic cluster beam deposition (SCBD) of palladium clusters on Poly(methyl methacrylate) (PMMA) surfaces. The evolution of the electrical conductance with cluster coverage and microscopy analysis…

材料科学 · 物理学 2009-11-13 Luca Ravagnan , Giorgio Divitini , Sara Rebasti , Mattia Marelli , Paolo Piseri , Paolo Milani

This work presents a simply methodology for coating small unilamellar liposomes bearing different degrees of positive charge with polyelectrolyte multilayers using the sequential Layer-by-Layer (LbL) deposition method. The liposomes were…

Ordered binary and ternary photonic crystals, composed of different sized polymer-composite spheres with diameter ratios up to 120%, are generated using bending induced oscillatory shearing (BIOS). This viscoelastic system creates…

The fabrication of polyelectrolyte multilayer films (PEMs) using the Layer-by-Layer (LbL) method is one of the most versatile approaches for manufacturing functional surfaces. This is the result of the possibility to control the assembly…

软凝聚态物质 · 物理学 2024-02-08 Eduardo Guzman , Ramon G. Rubio , Francisco Ortega

Nanoparticle self-assembly is an efficient bottom-up strategy for the creation of nanostructures. In the standard approach, ligands are grafted on the surfaces of nanoparticles to keep them separated and control interparticle interactions.…

The use of colloidal supported lipid bilayers (CSLBs) has recently been extended to create colloidal joints, that - in analogy to their macroscopic counterparts - can flexibly connect colloidal particles. These novel elements enable the…

软凝聚态物质 · 物理学 2018-12-20 Melissa Rinaldin , Ruben W. Verweij , Indrani Chakraborty , Daniela J. Kraft

Two-dimensional colloidal halide perovskite nanocrystals are promising materials for light emitting applications. In addition, they can be used as components to create a variety of materials through physical and chemical transformations.…

We propose to use the self-assembly ability of a block copolymer combined with compression-expansion cycles to obtain CdSe quantum dots (QDs) structures of different morphology. The methodology proposed consists in transferring onto mica…

材料科学 · 物理学 2026-01-21 Beatriz Martín-García , M. Mercedes Velázquez

We report on the formation and the structural properties of supermicellar aggregates also called electrostatic complexes, made from mineral nanoparticles and polyelectrolyte-neutral block copolymers in aqueous solutions. The mineral…

软凝聚态物质 · 物理学 2007-09-10 Jean-Francois Berret , Kazuhiko Yokota , Mikel Morvan , Ralf Schweins

A novel type of hybrid colloids is presented, based on the association of several polymeric systems and ferrofluids. On the one hand, we use inorganic nanoparticles made of magnetic iron oxide prepared at the LI2C, which response to a…

We demonstrate and interpret a technique of laser-induced formation of thin metallic films using alkali atoms on the window of a dense-vapour cell. We show that this intriguing photo-stimulated process originates from the adsorption of Cs…

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