Báo cáo hóa học: " Facile synthesis of monodisperse ZnS capped CdS nanocrystals exhibiting efficient blue emission" docx

... (3.90). Preparation of CdS /ZnS nanocrystals (1) Synthesis of 4 nm CdS nanocrystals One millimole of cadmium stearate, 2 mmol of stearic acid, 4 mmol of oleylamine and 13.4 g of oc- tadecene were ... 1:62–67 DOI 10.1007/s11671-006-9001-0 123 NANO EXPRESS Facile synthesis of monodisperse ZnS capped CdS nanocrystals exhibiting efficient blue emission...

Ngày tải lên: 22/06/2014, 22:20

... the synthesis of monodisperse CdS NCs in the size range of 3.0–5.4 nm, and the NCs produced photoluminescent emissions in the range of 391–463 nm. Keywords Microreaction Á Quantum dots Á CdS Á Nanocrystals Introduction The ... subsequent treatment of these NCs resulted in considerable improve- ment of PL efficiency. In these cases, the inefficient heat and mass transfer of...

Ngày tải lên: 22/06/2014, 00:20

... Zhou H: Effect of particle dispersion on high rate performance of nano-sized Li 4 Ti 5 O 12 anode. Electrochimica Acta 2007, 52:6470. 2. Kavana L, Grätzel M: Facile synthesis of nanocrystalline ... typical FESEM and HRTEM images of the Li 4 Ti 5 O 12 powders prepared through the solid-state process. Small and uniformly sized Figure 4 Figure 2 1 Facile synthesis of nano...

Ngày tải lên: 20/06/2014, 23:20

... hexane. Synthesis of InP /ZnS For in situ fabrication of InP /ZnS core-shell NQDs, the temperature of the growth solution of InP was lowered after a 10-min growth to 200°C. Thirty milligrams of ZDC, ... One-pot synthesis of core-shells and their optical properties. (a) One-pot synthesis of InP with P(SiMe 2 -tert-Bu) 3 followed by ZnS shell overcoating. (b) Size-t...

Ngày tải lên: 21/06/2014, 17:20

... on the surface of MnO 2 and also possible intercalation/deintercalation of H ? and alka- line metal cations in the bulk of MnO 2 [29]. Since the 3-D dandelion-like microspheres of the sample A ... smaller feature of the micro- spheres. The excellent cycling stability and good rate capability of the film composed of dandelion-like micro- spheres coupled with the simple and low cos...

Ngày tải lên: 21/06/2014, 20:20

... dominating peaks of B, C, and N with a low level of O, Cu, and Si. The existence of Cu peak should be caused by the copper TEM Fig. 1 a Low-magnification SEM image of the product, showing the large quantity of the ... of B 2 O 2 ,C 2 H 5 OH, N 2 , and H 2 (Fig. 5a). The involving species of B and C could lead to the further decrease of the melting temperature of stainless ste...

Ngày tải lên: 22/06/2014, 00:20

... contain Fig. 1 XRD of ZnO nanorods Fig. 2 XRD of precursor complex 32 Nanoscale Res Lett (2008) 3:31–35 123 NANO EXPRESS Facile Synthesis of ZnO Nanorods by Microwave Irradiation of Zinc–Hydrazine ... nanomaterial. Conclusions A facile route for the synthesis of ZnO nanorod by microwave irradiation method has been reported. The method offers a very simple and low cost route...

Ngày tải lên: 22/06/2014, 06:20

... typical synthesis of OMC-1, 0.113 g of boric acid (99.5 wt%), 0.625 g of sucrose (95 wt%), and 0.071 g of sulfuric acid (98 wt%) were dissolved in 2.5 g of dis- tilled water. After 0.5 g of KIT-6 ... hard template synthesis procedure of OMCs involves impregnation of the silica template, carbonization of the carbon precursor, and removal of the silica template [1]. The...

Ngày tải lên: 22/06/2014, 00:20

... linear data fitting of the stress–strain curve ranged from 47 to 89 GPa, with an average value of *56 GPa. Sample #3 was noticed to have a smallest value of diameter but a highest value of Young’s modulus, ... the effectiveness of them was found to be in the order of Ni [ (Au, Ag) [ (Pd, Pt). While a catalytic material was used in syntheses, it can be detected from the tips of mo...

Ngày tải lên: 22/06/2014, 00:20

... hexane. Synthesis of InP /ZnS For in situ fabrication of InP /ZnS core-shell NQDs, the temperature of the growth solution of InP was lowered after a 10-min growth to 200°C. Thirty milligrams of ZDC, ... One-pot synthesis of core-shells and their optical properties. (a) One-pot synthesis of InP with P(SiMe 2 -tert-Bu) 3 followed by ZnS shell overcoating. (b) Size-t...

Ngày tải lên: 20/06/2014, 20:20