Synthesis of monodisperse noble metal nanoparticles

... control of all of them; The synthesis of Ag@AgAu metal core alloy shell nanoparticles with tunable shell composition This type of bimetallic nanoparticles was formed by carefully controlling the synthesis ... discussion of the size-sorting of nanoparticles formed by conventional colloidal synthesis methods 2.1 Fundamentals of formation of monodisperse nanopart...

Ngày tải lên: 11/09/2015, 09:01

... 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

... University on the study of nonlinear optical properties of metal nanoparticles This thesis entitled: Transient absorption spectroscopy of noble metal nanoparticles is my own work and has not been submitted ... electronic dynamics of metal nanoparticles With the theoretical and experimental studies, we hope you will understand the transient absorption spectroscop...

Ngày tải lên: 08/09/2015, 19:44

... optical properties of noble metal nanoparticles and two- photon photoluminescence, the aggregation of noble 32 metal nanoparticles induced enhanced two- photon photoluminescence and their applications ... photoluminescence of noble metal nanoparticles Firstly, two- photon excited photoluminescence and two- photon induced singlet oxyge...

Ngày tải lên: 10/09/2015, 09:02

... a form of dispersion Fig XRD patterns of (a) particles obtained in the standard condition and (b) standard of WO3 H2O on the basis of JCPDS data (JCPDS No 1 8-1 418) Fig Time evolutions of (a) ... of Freedman [5], who has reported that only WO3 2H2O was obtained at 25 °C while mixtures of WO3 H2O and WO3 2H2O were obtained at 50 °C Generally in monodisperse particl...

Ngày tải lên: 19/03/2014, 16:48

... the ultrafine BaTiO3 nanoparticles will be done in the future Conclusion A large quantity of tetragonal BaTiO3 nanoparticles as fine as nm was directly synthesized at room temperature The synthesis ... modeling of aqueous and hydrothermal synthesis of barium titanate (BaTiO3) Chem Mater 2005, 17:5346-5356 doi:10.1186/1556-276X-6-466 Cite this article as: Qi et al.:...

Ngày tải lên: 21/06/2014, 01:20

... cases Recently, we described the first example of a periodic mesoporous organosilica with very uniform riceshaped nanoparticles having aspect ratios of ca 3:1 The PMO was prepared using the organosilane ... formation of the one-dimensional periodic mesoporous organosilica particles The concentration dependence of the aspect ratio becomes plausible when considering t...

Ngày tải lên: 22/06/2014, 00:20

... synthesis of monodisperse CdS NCs [27], but its low throughput limits its use to commercial-scale synthesis In this study, a capillary microreactor was used for the accelerated synthesis of monodisperse ... images of CdS NCs (band-gap absorption of 449 nm with an HWHM value of 11 nm) synthesized in open air via microreaction Therefore, due to the high quality of th...

Ngày tải lên: 22/06/2014, 00:20

... 3.10 (3.90) Preparation of CdS /ZnS nanocrystals (1) Synthesis of nm CdS nanocrystals One millimole of cadmium stearate, mmol of stearic acid, mmol of oleylamine and 13.4 g of octadecene were mixed ... method can easily be extended to the preparation of other core/shell and core/shell/shell systems such as CdSe /ZnS, CdSe/ ZnSe /ZnS or CdSe /CdS /ZnS nanocrystals...

Ngày tải lên: 22/06/2014, 22:20

... these is the availability of capable shape- controlled synthesis methods The development of a fundamental understanding of shape- dependent properties, through which shape of nanomaterials may be ... Guo and Wang, Chapter 2011) A good understanding of the growth mechanisms can reduce the number of trial -and- error in shape controlled synthesis; thereby allowing the...

Ngày tải lên: 09/09/2015, 18:49

... article as: Zhao et al.: A general strategy for synthesis of metal oxide nanoparticles attached on carbon nanomaterials Nanoscale Research Letters 2011 6:71 Submit your manuscript to a journal ... summary, we report a general strategy for synthesis of a large variety of metal oxide NPs on CNMs, including SWNTs, MWNTs, and a few-layer graphene...

Ngày tải lên: 21/06/2014, 06:20

... 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

... decomposition of ethanol The existence of carbon nanoparticles induced strong carbon- related bands in Raman spectrum The enhancement of blue emission band and a new yellow band were observed from SiC–SiO2 ... content is due to the existence of carbon nanoparticles on the surface of nanowires The existence of carbon nanoparticles on the surface of nanowires...

Ngày tải lên: 16/03/2014, 15:08

... patterns of Fe3+ -doped SnO2 nanoparticles: (a) SGC series and (b) SGH series pound Because of the interference of Fe3+ with SnO2 lattice, the crystallinity of the Fe3+ -doped SnO2 nanoparticles ... samples of pure SnO2 and 10% Fe3+ doped SnO2 are shown in Figs and The grain sizes of SnO2 calculated by Scherrer formula are showed in Table Compared to pure SnO...

Ngày tải lên: 20/03/2014, 13:08