• Home
  • Products
  • About
  • Contact

hydrothermal synthesis of hollow silica spheres under

Current Location : Home > hydrothermal synthesis of hollow silica spheres under

  • Micelle-template synthesis of hollow silica spheres for

    Apr 21 2017 · Hollow silica spheres (HSS) with special interior spaces high specific surface area and excellent adsorption and permeability performance were

    Get Price
  • Investigation of selective etching mechanism and its

    Dec 12 2015 · In this paper the core–shell SiO2 mSiO2/CTAB spheres were fabricated by choosing the solid silica spheres of different sizes as the internal cores then a series of etching experiments were conducted. For different etching time and particle size different rattle-type or hollow silica spheres were obtained. Investigation showed that CTAB in the mesoporous shell played a very important role

    Get Price
  • Synthesis of amorphous SiO2 nanowires by one-step low

    Sep 25 2019 · Hydrothermal synthesis is a simple low-cost method used in the preparation of An A G H et al 2011 One-pot fabrication of hollow SiO2 nanowires via an electrospinning technique Mater Nishikawa H et al 1992 Photoluminescence from defect centers in high-purity silica glasses observed under 7.9-eV excitation Phys. Rev. B 45 586–91

    Get Price
  • Hydrothermal Conversion of Solid Silica Beads to Hollow

    The synthetic methods for the organo-silica microcapsules or hollow spheres were widely studied in the past decades and several methods have been developed e.g. surfactant-assisted

    Get Price
  • Facile synthesis of ultrahigh-surface-area hollow carbon

    Jun 15 2015 · Kang X. R. et al. Synthesis and adsorption properties of highly monodisperse hollow microporous polystyrene nanospheres. RSC Adv. 4 26166–26170 (2014). CAS Article Google Scholar

    Get Price
  • Design and Preparation of Hallow Mesoporous Silica Spheres

    Jan 29 2019 · The hallow silica spheres were synthesized via the hydrothermal procedure. The characterization of prepared catalyst was also performed applying several analysis techniques such as TEM and SEM EDX XRD and ICP.

    Get Price
  • Replication and Coating of Silica Templates by

    Jiang Wu Xiantuo Chen Chaoen Li Yongfeng Qi Xuemei Qi Jianxing Ren Binxia Yuan Bu Ni Ruixing Zhou Jing Zhang Tianfang Huang Hydrothermal synthesis of carbon spheresBiOI/BiOIO 3 heterojunctions for photocatalytic removal of gaseous Hg 0 under visible light Chemical Engineering Journal 10.1016/j.cej.2016.06.128 304 (

    Get Price
  • Preparation of hollow silica nanospheres in O/W

    Hollow silica nanospheres with wrinkled or smooth surfaces were successfully fabricated through a hydrothermal method. In this method oil-in-water microemulsion (composed of cyclohexane water ethanol and cetyltrimethylammonium bromide) and polyvinylpyrrolidone were utilized as template and capping agent respectively. In such a facile synthesis we can well realize the morphological

    Get Price
  • Hydrothermal synthesis of hollow silica spheres under

    Hydrothermal synthesis of hollow silica spheres under acidic conditions It is well-known that silica can be etched in alkaline media or in a unique hydrofluoric acid (HF) solution which is widely used to prepare various kinds of hollow nanostructures (including silica hollow structures) via silica-templating methods.

    Get Price
  • (PDF) Surfactant-assisted hydrothermal crystallization of

    During the as vesicles could be acting as a soft template. hydrothermal process high temperatures and long reaction (2) Aggregation of the smallest spheres into the formation of hollow times favor the Oswald ripening phenomenon.

    Get Price
  • Facile Hydrothermal Fabrication of Nano-Oxides Hollow

    This is an open access article under the terms of the we report on the microwave-based synthesis of nano-silica hollow spheres (NSHS) with uniform shape and size. hydrothermal approach

    Get Price
  • Design and Preparation of Hallow Mesoporous Silica Spheres

    Jan 29 2019 · The hallow silica spheres were synthesized via the hydrothermal procedure. The characterization of prepared catalyst was also performed applying several analysis techniques such as TEM and SEM EDX XRD and ICP.

    Get Price
  • Facile hydrothermal synthesis and photocatalytic activity

    Facile hydrothermal synthesis and photocatalytic activity of bismuth tungstate hierarchical hollow spheres with an ultrahigh surface area X. Dai Y. Luo W. Zhang and S. Fu Dalton Trans.

    Get Price
  • Synthesis and characterization of ZnSe hollow nanospheres

    Synthesis and characterization of ZnSe hollow nanospheres via a hydrothermal route 0.0 0.2 0.4 0 .6 0.8 1.0 0 10 20 30 40 50 60 70 80 14 16 18 20 22 24 26 b a Vo lume (cc/g) Relative Pressure (P/P 0) a Adsorption b Desorption dV/dD Diameter (nm) Figure 3. N 2 adsorption–desorptionisotherm of the as-obtained ZnSe hollow nanospheresinset pore

    Get Price
  • Microwave-assisted hydrothermal synthesis of Cu/Cu2O

    The spontaneous forming of the hollow structure spheres was found to result from the Ostwald ripening effect during the low temperature (100 °C) hydrothermal reaction process.

    Get Price
  • Hydrothermal assisted synthesis of iron oxide-based

    Hydrothermal assisted synthesis of iron oxide-based magnetic silica spheres and their performance in magnetophoretic water purification C. Caparrós1 M. Benelmekki1 P. Manuel1 E. Xuriguera2 C. J. Ribeiro Silva3 Ll.M. Martinez4 S. Lanceros-Méndez1 1 Centro de Física Universidade do Minho Campus de Gualtar Braga Portugal 2 Facultat de Química Universitat de Barcelona

    Get Price
  • A versatile method for controlled synthesis of porous

    Sep 01 2010 · Hydrothermal synthesis of hollow silica spheres under acidic conditions. Yu Q Wang P Hu S Hui J Zhuang J Wang X Langmuir 27(11) 09 May 2011

    Get Price
  • Synthesis of Hollow Co–Fe Prussian Blue Analogue Cubes by

    Herein we report a novel method for the formation of hollow Prussian blue analogue (CoFe–PBA) nanocubes using spherical silica particles as sacial templates. In the first step silica cores are coated by a CoFe–PBA shell and then removed by etching with hydrofluoric acid (HF).

    Get Price
  • Preparation of hollow silica nanospheres in O/W

    Hollow silica nanospheres with wrinkled or smooth surfaces were successfully fabricated through a hydrothermal method. In this method oil-in-water microemulsion (composed of cyclohexane water ethanol and cetyltrimethylammonium bromide) and polyvinylpyrrolidone were utilized as template and capping agent respectively. In such a facile synthesis we can well realize the morphological

    Get Price
  • Micelle-template synthesis of hollow silica spheres for

    Apr 21 2017 · Hollow silica spheres (HSS) with special interior spaces high specific surface area and excellent adsorption and permeability performance were

    Get Price
  • Fabrication of Hollow Silica Particles Using a Self

    We developed a novel method preparing nonspherical hollow silica particles (HSP) using a micron-sized granule self-assembled from partially oxidized PE wax. The morphology of the granule was closely investigated in terms of concentration and acid value of PE wax and cooling rate. Due to the oxidized unit in PE wax magnetic nanoparticle was incorporated into the granule during the self

    Get Price
  • A Generalized Synthesis of Metal Oxide Hollow Spheres

    Hollow spheres of crystalline metal oxides were synthesized in a simple one-pot synthesis via a hydrothermal approach. Various metal salts were dissolved together with carbohydrates in water and the mixtures were heated to 180 °C in an autoclave.

    Get Price
  • Mesoporous Silica Hollow Spheres with Ordered Radial

    The method is simple and facile in which mesostructured silica spheres synthesized in a Stöber solution can spontaneously transform to hollow structure when they are incubated with water. The formation of the hollow structure does not require any sacial templates emulsion droplets or

    Get Price
  • (PDF) Facile Synthesis of Hollow Silica Microspheres

    Hollow silica microspheres were synthesised at room temperature from a vortexed mixture of water and droplets of tetraethoxysilane (TEOS) containing 10 mol aminopropyltriethoxysilane droplets

    Get Price
  • The controlled synthesis of complex hollow nanostructures

    Apr 10 2019 · The hollow carbon spheres were obtained after thermal treatment of the precursor composites at 700°C under N 2 atmosphere and subsequent removal of silica by hydrofluoric acid etching. Li et al. have reported the synthesis of double-layer hollow silica shells by templating against mesoporous hollow SiO 2 shells 90 .

    Get Price
  • Microwave-assisted hydrothermal synthesis of Cu/Cu2O

    The spontaneous forming of the hollow structure spheres was found to result from the Ostwald ripening effect during the low temperature (100 °C) hydrothermal reaction process.

    Get Price
  • Hydrothermal synthesis of mesoporous silica spheres

    Hydrothermal methods have been widely used in the fabrication of silica-based micro-/nanomaterials. In this paper we comprehensively investigated dissolution/regrowth kinetics of solid silica in alkaline media under relatively high temperature hydrothermal conditions (typically 180 °C). A decoupled dissolution and regrowth mechanism was proposed to explain the transformation of solid silica

    Get Price
  • Replication and Coating of Silica Templates by

    Jiang Wu Xiantuo Chen Chaoen Li Yongfeng Qi Xuemei Qi Jianxing Ren Binxia Yuan Bu Ni Ruixing Zhou Jing Zhang Tianfang Huang Hydrothermal synthesis of carbon spheresBiOI/BiOIO 3 heterojunctions for photocatalytic removal of gaseous Hg 0 under visible light Chemical Engineering Journal 10.1016/j.cej.2016.06.128 304 (

    Get Price
  • Sonochemical Synthesis of CdSe Hollow Spherical Assemblies

    Jan 27 2003 · CdSe hollow spherical assemblies composed of 5 nm nanoparticles have been synthesized sonochemically. During the process amorphous Cd(OH) 2 which acts as the in‐situ template directs the growth of primary CdSe nanoparticles on its surface and their assembly into hollow spherical structures.The Figure is a schematic of the proposed mechanism for the formation of the hollow

    Get Price

Products News

  • periodic reporting for period 3how to select the best resin for your plastic injection
  • refractories refractories suppliers and manufacturers at
  • magnesia spinel brickevolution of an alumina magnesia self forming spinel
  • plibrico conventional castable refractories tfl houston
  • what are the differences between refractory insulation
  • dense corundum कोरंडम in civil township rourkela thyme
  • alumina silicate fire brick amazon
  • the influence of silica to alumina ratio on y zeolite
  • carborundum grinding wheel silicon carbide stone grinding
  • crushing of mag carbon bricks qatar refractories for gasification reactors a
  • the effect of alginates on the hydration of calcium
  • hot metal pretreatment scientific net

Product Center

  • Alumina Hollow Ball Bricks
  • Corundum Spinel Castable
  • High Alumina Refractory Cement
  • High Alumina Low Cement Castable
  • High Alumina Refractory Ramming Mass
  • Trough Refractory Castable
  • Magnesium Iron Spinel Brick
  • Mullite Brick
  • Zirconium Mullite Brick

Hot Products

  • Light Weight Silica Insulation Brick
  • Zirconia Hollow Sphere Brick
  • Corundum Refractory Castable
  • Heavy Alkali Resistant Castable
  • High Alumina Low Cement Castable
  • High Alumina Self Flowing Castable
  • Micro Expansion Refractory Plastic
  • Phosphate Refractory Mud
  • Magnesia Zircon Brick

Images Show

About Us

Rongsheng's main products are various types of unshaped refractory products, which are widely used in metallurgy, nonferrous metals, building materials, electric power, petrochemical and other industries.

Rongsheng pays attention to technological innovation and product research and development, and has established close cooperative relations with many universities and scientific research institutes.

Zhengzhou Rongsheng Company © Copyrights. Sitemap