Well defined silica polymer core shell hybrids and polymer hollow structures synthesis, characterization and application

... WELL- DEFINED SILICA- POLYMER CORE- SHELL HYBRIDS AND POLYMER HOLLOW STRUCTURES: SYNTHESIS, CHRACTERIZATION AND APPLICATIONS LI GUOLIANG M Sci., Polymer Chemistry and Physics Nankai ... SUMMARY Well- defined inorganic /polymer core- shell hybrids and polymer hollow micro-/nanostructures are of great interest because of their diverse applications in che...

Ngày tải lên: 10/09/2015, 08:40

... appropriate conjugated polymeric shell Conclusions A versatile and facile synthesis of core shell systems based on noble metal nanoparticles (AuNPs, AgNPs, PtNPs), coated by polymers and copolymers belonging ... applications such as biolabelling and drug delivery In this paper, the synthesis and characterization of core shell systems based on noble met...

Ngày tải lên: 21/06/2014, 06:20

... measurements of Nb2O5@ C core-shell nanorods and neat Nb2O5 nanorods indicates the presence of only Nb and oxygen and no other impurities are observed The composition of the Nb2O5@ C and neat Nb2O5, obtained ... interpretation, the dissociation of Nb(OEt)5 at 800 °C leads to an atomization of the precursor into carbon, hydrogen, oxygen, and perhaps niobi...

Ngày tải lên: 22/06/2014, 22:20

... surface of the SiNWs Because of the high standard electrode potential of the Au3 + /Au0 couple, Au3 + has high polarization and high chemical reactivity Au3 + could be easily reduced to Au0 in air ... mass-production of highly aligned SiNWs and their core/ shell structures with metal nanoparticles for the future applications in microelectronic and optoelectronic...

Ngày tải lên: 16/03/2014, 15:06

... annealing and (b) after annealing two emission bands around 550 and 600 nm, as indicated in Fig 5a Each nanowire consists of a crystalline Si core and an amorphous SiOx shell The core and shell both ... crystalline silicon self-assembly Under the 488 nm excitation of an Arþ laser, the PL of the Si/ SiOx nanowires corresponds to Fig Photoluminescence spectra for...

Ngày tải lên: 16/03/2014, 15:08

... Lily Laiho iii | P a g e ABSTRACT Synthesis and Characterization of CdSe-ZnS Core-Shell Quantum Dots for Increased Quantum Yield Joshua James Angell Quantum dots are semiconductor nanocrystals ... 2.3 Quantum Dot Synthesis Techniques 16 2.4 Core-Shell Quantum Dots 20 2.4.1 Motivation for Core-Shell Quantum Dots 20 2.4.2 Types of Core-Shell Quantum Dots 2...

Ngày tải lên: 15/05/2014, 10:25

... Page of Figure Rate capabilities Comparison of rate capabilities in pure ZW and C-ZW nanorods at different current rates The open-square curve indicates the coulombic efficiency of the C-ZW nanorods ... Fabrication of core/shell ZnWO4/carbon nanorods and their Li electroactivity Nanoscale Research Letters 2012 7:9 Submit your manuscript to a journal and benefit fr...

Ngày tải lên: 20/06/2014, 23:20

... al.: Synthesis and characterization of aligned ZnO /BeO core/shell nanocable arrays on glass substrate Nanoscale Research Letters 2011 6:506 Submit your manuscript to a journal and benefit from: Convenient ... nanowire arrays and ZnO /BeO core/shell nanocable arrays Authors’ contributions MJZ carried out the experiments ZY, KL and JCZ participated in the sam...

Ngày tải lên: 21/06/2014, 00:20

... investigate the effect of Zn2+ partially substituting for Co2+ in CoFe2O4 nanoparticles (Co1-xZnxFe2O4; x = 0, 0.5, and 1) and shelling with silica on the magnetic and optical properties of the ferrite ... the magnetic properties and diffuse reflectance of the prepared ferrite nanoparticles, respectively Results and discussion Figure 1a, b, c shows the X-ray diffract...

Ngày tải lên: 21/06/2014, 01:20

... can render very high coercivity with the higher contribution of shape anisotropy and higher coercivity hybrid nanorods can find applications in fields such Fig M(H) curves of Ni @ Co nanorods; a at ... fabrication of such a one-dimensional system namely Ni @ Co nanorods, which is essentially a core–shell architecture (Ni as core and Co as shell) and studies on their...

Ngày tải lên: 22/06/2014, 00:20

... use of polar solvent and another hydrophilic monomer would be helpful to increase the rate of polymerization and stability of emulsion [18] However, the details in nucleation and growth of hybrid ... use Preparation of AAEM-Modified ZrO2 Sol Zr(OPrn)4 and AAEM were used as precursors and a functionalized chelating ligand in the preparation of AAEM–ZrO2 sol The molar ratio...

Ngày tải lên: 22/06/2014, 01:20

... observation Optical Properties and Photocatalytic Activity of 1D CdS@ZnS Core-Shell Nanocomposites The optical properties of 1D CdS@ZnS core-shell nanocomposites were measured using UV-vis absorption and ... spectrophotometer and WGY-10 spectrofluorimeter Photocatalytic Decomposition of MB and 4CP To evaluate the photocatalytic activity of the synthesized...

Ngày tải lên: 22/06/2014, 01:20

... experimentally and estimates of the emulsion polymerisation mechanism of synthesis for the obtained core and shell The determination of the polymerisation reaction kinetics of the styrene core and butyl acrylate ... Rp is the polymerisation rate of the styrene core, and k is the rate reaction constant in the formation of the styrene core 3.4 Mech...

Ngày tải lên: 07/08/2014, 14:20

... Plot of conversion and particle size as a function of aging time Table 2: Effect of aging time on the conversion of core-shell styrene-butyl acrylate polymers Ratio of Aging time (Core: Shell) Aging ... complete the shell (ratio of core-shell to feeding time) The results of the conversion and particle size to the ratio of the...

Ngày tải lên: 07/08/2014, 14:20

... FABRICATION OF GOLD NANOPARTICLE- DNA CONJUGATES BEARING SPECIFIC NUMBER OF DNA FOR QUANTITATIVE DETECTION AND WELLDEFINED NANOASSEMBLY QIN WEIJIE NATIONAL UNIVERSITY OF SINGAPORE ... 2.2.2 Formation of gold nanoparticle- DNA conjugates (nAu -DNA) 14 2.3 Applications of nAu in nanoassembly and ultrasensitive DNA detection 15 2.4 Study on the...

Ngày tải lên: 12/09/2015, 11:29