Showing 1-30 of 69 results for "202894"
Ward van der Stam et al.
ACS nano, 9(11), 11430-11438 (2015-10-10)
The direct synthesis of heteronanocrystals (HNCs) combining different ternary semiconductors is challenging and has not yet been successful. Here, we report a sequential topotactic cation exchange (CE) pathway that yields CuInSe2/CuInS2 dot core/rod shell nanorods with near-infrared luminescence. In our...
Kim De Nolf et al.
Journal of the American Chemical Society, 137(7), 2495-2505 (2015-01-30)
We investigate the relation between the chain length of ligands used and the size of the nanocrystals formed in the hot injection synthesis. With two different CdSe nanocrystal syntheses, we consistently find that longer chain carboxylic acids result in smaller...
Iván Castelló Serrano et al.
Nanoscale, 6(22), 13623-13629 (2014-10-03)
We present herein two colour encoded silica nanospheres (2nanoSi) for the fluorescence quantitative ratiometric determination of trypsin in humans. Current detection methods for cystic fibrosis diagnosis are slow, costly and suffer from false positives. The 2nanoSi proved to be a...
Yi-An Chen et al.
Nanomaterials (Basel, Switzerland), 9(7) (2019-08-03)
To the best of our knowledge, this report presents, for the first time, the schematic of the possible chemical reaction for a one-pot synthesis of Zn0.5Cd0.5Se alloy quantum dots (QDs) in the presence of low/high oleylamine (OLA) contents. For high...
Sandeep Ghosh et al.
ACS nano, 9(8), 8537-8546 (2015-07-24)
We report on pyramid-shaped wurtzite cadmium selenide (CdSe) nanocrystals (NCs), synthesized by hot injection in the presence of chloride ions as shape-directing agents, exhibiting reversed crystal polarity compared to former reports. Advanced transmission electron microscopy (TEM) techniques (image-corrected high-resolution TEM...
Yong Hui Lee et al.
ACS applied materials & interfaces, 2(6), 1648-1652 (2010-06-04)
The CdS-sensitized solar cells (CdS-SSC) were fabricated by spray pyrolysis deposition (SPD) method. The performance of the cells was greatly improved through post-treatments that included thermal oxidation at 500 degrees C for 30 min in an air atmosphere and subsequent...
H Dixit et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 25(3), 035501-035501 (2012-12-14)
CdO in the rocksalt structure is an indirect band gap semiconductor. Thus, in order to determine its band gap one needs to calculate the complete band structure. However, in practice, the exact evaluation of the quasiparticle band structure for the...
Lucas A Lane et al.
The journal of physical chemistry. B, 118(49), 14140-14147 (2014-08-27)
Quantum dots (QDs) offer distinct advantages over organic dyes and fluorescent proteins for biological imaging applications because of their brightness, photostability, and tunability. However, a major limitation is that single QDs emit fluorescent light in an intermittent on-and-off fashion called...
Fangfang Wang et al.
Journal of liposome research, 25(2), 89-100 (2014-06-25)
We reported the development of multifunctional liposomes as a dual-modality probe to facilitate targeted magnetic resonance and fluorescent imaging of bone metastasis from advanced cancer. Multifunctional liposomes consisted of liposomes as a carrier, hydrophobic CdSe QDs in phospholipid bilayer, hydrophilic...
Oluwasesan Adegoke et al.
Talanta, 146, 780-788 (2015-12-24)
Environmental pollutants, such as the polycyclic aromatic hydrocarbons (PAHs), become widely distributed in the environment after emission from a range of sources, and they have potential biological effects, including toxicity and carcinogenity. In this work, we have demonstrated the analytical...
Guangliang Cui et al.
Physical chemistry chemical physics : PCCP, 14(47), 16321-16325 (2012-11-08)
CdO nanosheet film can be synthesized by electrochemical deposition in an ultra-thin liquid layer by using Cd(NO(3))(2) and HNO(3) as source materials for Cd and oxygen respectively. HNO(3) is also used to adjust the pH of the electrolyte. Studies on...
Mona Rafipoor et al.
Langmuir : the ACS journal of surfaces and colloids, 31(34), 9441-9447 (2015-08-12)
We investigate clustered CdSe/CdS quantum dots/quantum rods, ranging from single to multiple encapsulated rods within amphiphilic diblock copolymer micelles, by time-resolved optical spectroscopy. The effect of the clustering and the cluster size on the optical properties is addressed. The clusters...
Evangelia Hondroulis et al.
Nanotechnology, 21(31), 315103-315103 (2010-07-14)
A whole cell based biosensor for rapid real-time testing of human and environmental toxicity of nanoscale materials is reported. Recent studies measuring nanoparticle cytotoxicity in vitro provide a final measurement of toxicity to a cell culture overlooking the ongoing cytotoxic...
Jun Chen et al.
Journal of nanobiotechnology, 13, 76-76 (2015-10-30)
X-ray computed tomography (CT) imaging can be used to reveal the three-dimensional structure of deep tissue with high spatial resolution. However, it cannot reveal molecular or cellular changes, and has great limitations in terms of specificity and sensitivity. Fluorescence imaging...
Lamia Nahar et al.
ACS nano, 9(10), 9810-9821 (2015-09-22)
Hybrid nanomaterials composed of metal-semiconductor components exhibit unique properties in comparison to their individual counterparts, making them of great interest for optoelectronic applications. Theoretical and experimental studies suggest that interfacial interactions of individual components are of paramount importance to produce...
Hosub Lim et al.
Scientific reports, 7, 43581-43581 (2017-02-28)
Colloidal quantum dots (QDs) afford huge potential in numerous applications owing to their excellent optical and electronic properties. After the synthesis of QDs, separating QDs from unreacted impurities in large scale is one of the biggest issues to achieve scalable...
Jianhui Sun et al.
Nanotechnology, 31(21), 215408-215408 (2020-02-11)
The high efficiency of quantum dot-sensitized solar cells (QDSSCs) is a benefit of the highly efficient photoinduced-electron transfer (PET) to external electrodes. Here, we investigated how the surface defects and conduction-band (CB) offsets between core and shell materials affect the...
Mario Menéndez-Miranda et al.
Journal of chromatography. A, 1422, 247-252 (2015-10-24)
Hyphenation of asymmetric flow field-flow fractionation (AF4) to an on-line elemental detection (inductively coupled plasma-mass spectrometry, ICP-MS) is proposed as a powerful diagnostic tool for quantum dots bioconjugation studies. In particular, conjugation effectiveness between a "model" monoclonal IgG antibody (Ab)...
Zai-Xing Yang et al.
Nanoscale, 3(4), 1887-1893 (2011-03-23)
Using Cd(NO(3))(2)·4H(2)O as a precursor and ethanol/water as the solvent, we synthesized Cd(5)(OH)(8)(NO(3))(2)(H(2)O)(2) nanowires and nanobelts through a simple solvothermal method. Unlike the conventional oil-water surfactant approach, the adopted method is biologically safe, simple and environmentally benign. The morphology and...
Yan Liu et al.
Journal of hazardous materials, 163(2-3), 1310-1314 (2008-09-06)
CdO(2) nanocrystals with different sizes were synthesized via the hydrothermal reaction of 3CdSO(4).8H(2)O and H(2)O(2) in 1.25-6.25 vol.% ammonia solutions at 100-140 degrees C for 12h. The resultant products were characterized by powder X-ray diffraction, transmission electron microscope, thermal gravimetric...
[Effect of cadmium oxide in air of workplace on lens].
Pei-Chen Ma
Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases, 28(12), 908-908 (2011-01-19)
Kaixuan Song et al.
Nanomaterials (Basel, Switzerland), 9(12) (2019-12-11)
A technique for scalable spray coating of colloidal CdSeTe quantum dots (QDs) for photovoltaics and photodetector applications is presented. A mixture solvent with water and ethanol was introduced to enhance the adhesive force between QDs and the substrate interface. The...
Formation and function of bismuth nanocatalysts for the solution-liquid-solid synthesis of CdSe nanowires.
Zhen Li et al.
Small (Weinheim an der Bergstrasse, Germany), 4(10), 1698-1702 (2008-09-10)
Maryam Ramazani et al.
Ultrasonics sonochemistry, 18(5), 1160-1164 (2011-01-29)
Nanoplates of the three-dimensional coordination polymer, {[Cd(3)(3-pyc)(4)(N(3))(2)(H(2)O)](n) (1), 3-pyc(-)=pyridine-3-carboxylate), have been synthesized by a sonochemical process and characterized by scanning electron microscopy, X-ray powder diffraction, IR spectroscopy and elemental analyses. Cadmium(II) oxide nanoparticles were prepared from thermal decomposition in oleic...
Electrical and optical properties of Al doped cadmium oxide thin films deposited by radio frequency magnetron sputtering
Saha B, et al.
Solar Energy Materials and Solar Cells, 91(18), 1692-1697 (2007)
Diego Bouzas-Ramos et al.
Journal of chromatography. A, 1519, 156-161 (2017-09-11)
Coupling of asymmetric flow field-flow fractionation (AF4) to an on-line elemental detection (inductively coupled plasma-mass spectrometry, ICP-MS) has been recently proposed as a powerful diagnostic tool for characterization of the bioconjugation of CdSe/ZnS core-shell Quantum Dots (QDs) to antibodies. Such...
C Nageswara Raju et al.
Luminescence : the journal of biological and chemical luminescence, 27(5), 334-340 (2011-09-21)
This article reports on the optical properties of Er3+ ions doped CdO-Bi2O3-B2O3 (CdBiB) glasses. The materials were characterized by optical absorption and emission spectra. By using Judd-Ofelt theory, the intensity parameters Ω(λ) (λ = 2, 4, 6) and also oscillatory strengths were...
Hong Pan et al.
ACS nano, 8(6), 5468-5477 (2014-05-07)
Highly pathogenic avian influenza A viruses are emerging pandemic threats in human beings. Monitoring the in vivo dynamics of avian influenza viruses is extremely important for understanding viral pathogenesis and developing antiviral drugs. Although a number of technologies have been...
Gouranga H Debnath et al.
Journal of colloid and interface science, 540, 448-465 (2019-01-22)
This work investigates the photoluminescence characteristics where cadmium selenide (CdSe) and zinc sulfide (ZnS) nanoparticles are treated post-synthetically by the trivalent lanthanide cations (Ln3+) [Ln = Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, Yb] separately to form either CdSe/Ln or...
Marcin Graz et al.
Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine, 22(3), 401-410 (2008-11-06)
The ability of Abortiporus biennis to tolerate and solubilize toxic metal oxides (Cu(2)O, Al(2)O(3), ZnO, CuFe(2)O(4)Zn, CdO, and MnO(2)) incorporated into agar media was investigated and the growth rate, oxalic acid secretion, and mycelial morphology were monitored. Among the tested...

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