Davydov splitting in cadmium vacancy emission, ferromagnetism and photosensitivity in manganese incorporated CdS nanocrystals

RSC Advances ◽  
2014 ◽  
Vol 4 (42) ◽  
pp. 22141-22154 ◽  
Author(s):  
Balaji Sambandam ◽  
Thangavelu Muthukumar ◽  
Sonachalam Arumugam ◽  
P. L. Paulose ◽  
Periakaruppan T. Manoharan
Keyword(s):  
Photoluminescence Property ◽  
Cadmium Vacancy ◽  
Cds Nanocrystals

Surfactant and diamines-assisted CdS nanocrystals have Cd2+ vacancies with photoluminescence property. The neighbouring Cd2+–Cd2+ vacancies exhibit Davydov splitting. Addition of Mn2+ ions in these sites leads to ferromagnetism.

Growth of CdS Nanocrystals within Mesoporous TIO2 Films by using Cadmium Thiolate Derivatives as Unimolecular Precursors

2008 ◽  
Author(s):  
Vincenzo Resta ◽  
Anna Maria Laera ◽  
Maria Cristina Ferrara ◽  
Emanuela Piscopiello ◽  
Saverio Mazzarelli ◽  
...  
Keyword(s):  
Mesoporous Tio2 ◽  
Tio2 Films ◽  
Cds Nanocrystals ◽  
Mesoporous Tio2 Films

Photoluminescence Enhancement of CdS Nanocrystals Fabricated on Dithiocarbamate Functionalized PET Substrates

2012 ◽  
Vol 512-515 ◽  
pp. 1511-1515
Author(s):  
Chun Lin Zhao ◽  
Li Xing ◽  
Xiao Hong Liang ◽  
Jun Hui Xiang ◽  
Fu Shi Zhang ◽  
...  
Keyword(s):  
Room Temperature ◽  
Hexagonal Structure ◽  
Diffraction Measurement ◽  
X Ray Diffraction ◽  
Visible Absorption ◽  
X Ray ◽  
Cds Nanocrystals ◽  
Morphological Studies ◽  
Transmission Electron

Cadmium sulfide (CdS) nanocrystals (NCs) were self-assembled and in-situ immobilized on the dithiocarbamate (DTCs)-functionalized polyethylene glycol terephthalate (PET) substrates between the organic (carbon disulfide diffused in n-hexane) –aqueous (ethylenediamine and Cd2+ dissolved in water) interface at room temperature. Powder X-ray diffraction measurement revealed the hexagonal structure of CdS nanocrystals. Morphological studies performed by scanning electron microscopy (SEM) and high-resolution transmission electron microscope (HRTEM) showed the island-like structure of CdS nanocrystals on PET substrates, as well as energy-dispersive X-ray spectroscopy (EDS) confirmed the stoichiometries of CdS nanocrystals. The optical properties of DTCs modified CdS nanocrystals were thoroughly investigated by ultraviolet-visible absorption spectroscopy (UV-vis) and fluorescence spectroscopy. The as-prepared DTCs present intrinsic hydrophobicity and strong affinity for CdS nanocrystals.

scholarly journals Magneto-Optical Stark Effect in Fe-Doped CdS Nanocrystals

Nano Letters ◽  
2021 ◽  
Author(s):  
Mahima Makkar ◽  
Lakshay Dheer ◽  
Anjali Singh ◽  
Luca Moretti ◽  
Margherita Maiuri ◽  
...  
Keyword(s):  
Stark Effect ◽  
Cds Nanocrystals ◽  
Optical Stark Effect

Enhancement of antibacterial activity of synthesized ligand‐free CdS nanocrystals due to silver doping

2020 ◽  
Vol 61 (1) ◽  
pp. 27-36
Author(s):  
Pijush C. Dey ◽  
Birson Ingti ◽  
Amitabha Bhattacharjee ◽  
Manabendra D. Choudhury ◽  
Ratan Das ◽  
...  
Keyword(s):  
Antibacterial Activity ◽  
Silver Doping ◽  
Cds Nanocrystals ◽  
Ligand Free

Optical properties of hybrid composites based on highly luminescent CdS nanocrystals in polymer

2004 ◽  
Vol 15 (4) ◽  
pp. S240-S244 ◽  
Author(s):  
M Tamborra ◽  
M Striccoli ◽  
R Comparelli ◽  
M L Curri ◽  
A Petrella ◽  
...  
Keyword(s):  
Optical Properties ◽  
Hybrid Composites ◽  
Cds Nanocrystals

Size-Dependence of Photoluminescence Property of ZnO Nanoparticles

2014 ◽  
Vol 887-888 ◽  
pp. 143-146 ◽  
Author(s):  
Xiao Fang Wang ◽  
Yun Liang Fang ◽  
Tian Le Li ◽  
Fu Juan Wang
Keyword(s):  
Grain Size ◽  
Lower Energy ◽  
Size Dependence ◽  
Surface States ◽  
Photoluminescence Property ◽  
Precipitation Method ◽  
Pl Spectra ◽  
Broadband Emission ◽  
Band Emission ◽  
20 Nm

Nanometer-sized ZnO crystals with the diameter from 20 nm to 110 nm were prepared by homogenous precipitation method (HPM). The photoluminescence (PL) spectra of as-prepared nanoparticles under excitation at the wavelength of 320 nm were detected. The PL spectra were fitted with Gaussian curves, in which a good fitting consisting of six Gaussian peaks was obtained. We observed that the multi-peak centers do not change much, while the relative amplitude of Gaussian combination to the band-to-band emission decreases rapidly with the increased grain size. It shows that the broadband emission at the lower energy is associated with the surface states.

Coexistence of antiferromagnetism and ferromagnetism in Mn2+/CdS nanocrystals and their photophysical properties

RSC Advances ◽  
2013 ◽  
Vol 3 (15) ◽  
pp. 5184 ◽  
Author(s):  
Balaji Sambandam ◽  
S. Esaki Muthu ◽  
S. Arumugam ◽  
Periakaruppan T. Manoharan
Keyword(s):  
Photophysical Properties ◽  
Cds Nanocrystals

Decoration of upconversion nanoparticles@mSiO2 core–shell nanostructures with CdS nanocrystals for excellent infrared light triggered photocatalysis

RSC Advances ◽  
2016 ◽  
Vol 6 (59) ◽  
pp. 54241-54248 ◽  
Author(s):  
Yao-Wu Li ◽  
Liang Dong ◽  
Chen-Xi Huang ◽  
Yan-Chuan Guo ◽  
Xian-Zhu Yang ◽  
...  
Keyword(s):  
Mesoporous Silica ◽  
Photocatalytic Degradation ◽  
Infrared Light ◽  
Upconversion Nanoparticles ◽  
Core Shell ◽  
Cds Nanocrystals ◽  
Shell Nanostructures ◽  
Cds Nanostructures

Upconversion nanoparticles@mesoporous silica (mSiO2)/CdS nanostructures have been designed and fabricated for infrared light triggered photocatalytic degradation towards RhB dye.

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