Morphological and phase stability of zinc blende, amorphous and mixed core–shell ZnS nanoparticles

Nanoscale ◽  
2010 ◽  
Vol 2 (10) ◽  
pp. 2294 ◽  
Author(s):  
A. S. Barnard ◽  
C. A. Feigl ◽  
S. P. Russo
Keyword(s):  
Phase Stability ◽  
Core Shell ◽  
Zns Nanoparticles ◽  
Zinc Blende

scholarly journals Synthesis and Characterization of CuZnSe2 Nanocrystals in Wurtzite, Zinc Blende, and Core–Shell Polytypes

2019 ◽  
Vol 31 (24) ◽  
pp. 10085-10093 ◽  
Author(s):  
Huan Ren ◽  
Miao Wang ◽  
Zhe Li ◽  
Fathima Laffir ◽  
Grace Brennan ◽  
...  
Keyword(s):  
Synthesis And Characterization ◽  
Core Shell ◽  
Zinc Blende

All Zinc-Blende GaAs/(Ga,Mn)As Core–Shell Nanowires with Ferromagnetic Ordering

Nano Letters ◽  
2013 ◽  
Vol 13 (4) ◽  
pp. 1572-1577 ◽  
Author(s):  
Xuezhe Yu ◽  
Hailong Wang ◽  
Dong Pan ◽  
Jianhua Zhao ◽  
Jennifer Misuraca ◽  
...  
Keyword(s):  
Core Shell ◽  
Zinc Blende ◽  
Ferromagnetic Ordering ◽  
Shell Nanowires

Synthesis and Characterization of ZnS: Fe/ZnS Core-Shell Nanocrystals

2011 ◽  
Vol 148-149 ◽  
pp. 900-903
Author(s):  
Li Hua Li ◽  
Yong Jun Gu ◽  
Rui Shi Xie ◽  
Jian Guo Zhu
Keyword(s):  
Chemical Precipitation ◽  
Precipitation Method ◽  
Core Shell ◽  
X Ray Diffraction ◽  
Pl Spectra ◽  
Zinc Blende ◽  
Diffraction Peaks ◽  
Zns Nanocrystals ◽  
Zinc Blende Structure

ZnS:Fe and ZnS:Fe/ZnS core-shell nanocrystals were synthesized by chemical precipitation method. It was found that the ZnS: Fe based nanocrystals possess zinc blende structure. Compared to ZnS: Fe nanocrystals, the intensity of the X-ray diffraction peaks of ZnS: Fe/ZnS nanocrystals reduced and these peaks moved to lower angles. TEM images show that ZnS: Fe based nanocrystals are spheroidal and the average particles size is about 3~4 nm. PL spectra of ZnS: Fe nanocrystals revealed several mission bands, ~406nm, ~444nm, ~416nm, However, PL spectra of ZnS: Fe/ZnS nanocrystals showed several mission bands, ~420nm, ~432nm, ~449nm.

One-pot/three-step synthesis of zinc-blende CdSe/CdS core/shell nanocrystals with thick shells

Nano Research ◽  
2016 ◽  
Vol 10 (4) ◽  
pp. 1149-1162 ◽  
Author(s):  
Yuan Niu ◽  
Chaodan Pu ◽  
Runchen Lai ◽  
Renyang Meng ◽  
Wanzhen Lin ◽  
...  
Keyword(s):  
Core Shell ◽  
One Pot ◽  
Zinc Blende ◽  
Thick Shells

ENHANCED UV EMISSION IN YTTRIUM-DOPED ZnS NANOPARTICLES SYNTHESIZED BY PRECIPITATION METHOD

2018 ◽  
Vol 25 (03) ◽  
pp. 1850063 ◽  
Author(s):  
NACHIMUTHU SUGANTHI ◽  
KUPPUSAMY PUSHPANATHAN
Keyword(s):  
Spherical Shape ◽  
Zinc Sulphide ◽  
Precipitation Method ◽  
Zns Nanoparticles ◽  
Ultraviolet Detector ◽  
Selected Area Electron Diffraction ◽  
Uv Emission ◽  
Zinc Blende ◽  
Transmission Electron ◽  
Photoluminescence Studies

This paper deals with the effect of yttrium doping on the structural and optical properties of zinc sulphide (ZnS) nanoparticles with nanoparticulated mesoporous. The morphology of the nanoparticles is determined by FESEM and it shows that the particles are spherical shape. HRSEM images show that particle size and agglomerated nature of the samples are augmented when doping concentration increases. Transmission electron microscope images probe the spherical shape of the nanoparticles as well as small number of inter particle mesoporous with intra-particles. The selected area electron diffraction images validate the crystalline and cubic nature of the synthesized samples. The presence of intra-particles is corroborated by XRD and FTIR spectra. X-ray diffraction’s results also confirm that the synthesized nanoparticles are crystallized in zinc blende structure. The diffuse reflectance spectra indicate that 5[Formula: see text]wt.% of yttrium-doped zinc sulphide shows higher reflectance than the undoped ZnS. Thus photoluminescence studies suggest that 5[Formula: see text]wt.% of yttrium-doped ZnS sample may be used for the development of supersensitive ultraviolet detector.

Long-term investigation on the phase stability, magnetic behavior, toxicity, and MRI characteristics of superparamagnetic Fe/Fe-oxide core/shell nanoparticles

2012 ◽  
Vol 439 (1-2) ◽  
pp. 28-40 ◽  
Author(s):  
Afshin Masoudi ◽  
Hamid Reza Madaah Hosseini ◽  
Seyed Morteza Seyed Reyhani ◽  
Mohammad Ali Shokrgozar ◽  
Mohammad Ali Oghabian ◽  
...  
Keyword(s):  
Phase Stability ◽  
Magnetic Behavior ◽  
Core Shell ◽  
Shell Nanoparticles ◽  
Fe Oxide ◽  
Mri Characteristics ◽  
Core Shell Nanoparticles

Synthesis and Characterization of Zinc-Blende CdSe-Based Core/Shell Nanocrystals and Their Luminescence in Water

2008 ◽  
Vol 112 (6) ◽  
pp. 1744-1747 ◽  
Author(s):  
Sung Jun Lim ◽  
Bonghwan Chon ◽  
Taiha Joo ◽  
Seung Koo Shin
Keyword(s):  
Synthesis And Characterization ◽  
Core Shell ◽  
Zinc Blende

Ag2S/ZnS nanocomposites: Synthesis, structure and optical properties

2020 ◽  
pp. 2150033
Author(s):  
M. A. Ramazanov ◽  
S. G. Nuriyeva ◽  
H. A. Shirinova ◽  
A. H. Karimova ◽  
M. A. Nuriyev
Keyword(s):  
Optical Properties ◽  
Structural Investigation ◽  
Emission Spectra ◽  
Structural Features ◽  
Core Shell ◽  
Zns Nanoparticles ◽  
Sem Images ◽  
X Ray ◽  
The Core ◽  
Novel Method

Ag2S/ZnS nanocomposites were synthesized using a novel method, and their structural features and optical properties were also investigated. For the structural investigation of the core/shell-like nanocomposites, X-ray powder diffraction technique (XRD) and scanning electron microscopy (SEM) were used. Optical features of Ag2S/ZnS nanocomposites were studied by UV-Vis absorption and photoluminescence spectroscopy (PL). According to the SEM images, the sizes of the Ag2S, ZnS nanoparticles and Ag2S/ZnS core/shell-like nanocomposites are in the region of the 10–15; 25–50 and 15–80 nm, respectively. Furthermore, the absorption spectroscopy indicates that the bandgap of Ag2S/ZnS nanocomposites is approximately 2.4 eV. By comparison of the intensities of the emission spectra, it was clear that the intensity of Ag2S/ZnS is much lower than that of ZnS.

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