Báo cáo hóa học: " Assembly of Silver Nanoparticles into Hollow Spheres Using Eu(III) Compound based on Trifluorothenoyl-Acetone" doc

... plasmon resonant absorption of silver nanoparticles as shown in curve B of Fig. 2, sug- gesting that the silver hollow spheres consisted of silver nanoparticles. The surface plasmon resonant ... result of TEM images. The typical transmission image of SNOM of the silver hollow spheres is further Fig. 1 (a) TEM images of the silver hollow spheres, (b) HRTEM...

Ngày tải lên: 21/06/2014, 22:20

... NNSF of China (no. 10571050), the Key Project of Chinese Ministr y of Education, and the Key project of Education Department of Hunan Province. 4 Existence of positive solution for IBVP on infinity ... (1.3) respectively. Definit ion 1.1. By a positive solution of BVP (1.1), one means a function y(t) satisfying the following conditions: (i) y ∈ PC 1 [0,∞); (ii) y(t) > 0fort ∈...

Ngày tải lên: 22/06/2014, 22:20

... Eoeun dong, Yuseong-gu, Daejeon 305-333, Republic of Korea 4 Department of Semiconductor Engineering, Cheongju University, Cheongju, 360-764, Chungbuk, Korea Authors’ contributions KW conceived ... sylee@cju.ac.kr 3 Department of Nanoelectronics, School of Engineering, University of Science and Technology, 52 Eoeun dong, Yuseong-gu, Daejeon 305-333, Republic of Korea Full list of...

Ngày tải lên: 20/06/2014, 22:20

... samples. In addition, the two phase transition temperatures merged into a single diffuse phase transition at higher NiO contents (Figure 4d). To check the effect of NiO on the degree of the diffuse ... properties and phase transition Figure 4 shows plots of the relative permittivity and loss tangent as a function of temperature at various NiO concentrations. Two phase transit...

Ngày tải lên: 20/06/2014, 23:20

... fluid = pure water, silver nanofluid concentration of 0.5 w/v% and silver nanofluid concentration of 0.5 w/v% mixed oleic acid surfactant The variable parameters Concentration of oleic acid surfactant ... the silver nanoparticles were suspended into de-ionized water with concentrations of 0.5 w/v% mixed with oleic acid su rfactant concentration of 0.5, 1, and 1.5 w/v%, res...

Ngày tải lên: 21/06/2014, 04:20

... denser flavonoids presented higher Au(III) conversion, e.g., when flavonoids content was above 1.25 mg ml -1 , the responding conversions were over 95%. Therefore, content of flavonoids of the plants, ... flavonoids content (C F ) versus the con- version of Au(III) was obtained in this research, as shown in Fig. 2. All of the broths with flavonoids content exceeding 0.6 mg ml -1 demonstrat...

Ngày tải lên: 21/06/2014, 17:20

... In contrast, test 2 was started in spring, and there was no concentration-dependent stimulation of reproduction. Reproduction was also stimulated by the two highest test concentrations of ... (environment and biota): general considerations and conceptual case studies. Environ Toxicol Chem 2012, 31:32-49. Figure 1. Number of offspring per control vessel in the reproduction test...

Ngày tải lên: 21/06/2014, 17:20

... mode of action of the nanoparticles, (2) the important parameters causing the effect (e.g., relevant soil parameters), and (3) the environmental relevance of continuous earthworm reproduction ... regulations concerning the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH). Nanomaterials are not mentioned explicitly, but they are covered by the substance...

Ngày tải lên: 21/06/2014, 19:20

... of wavelength corresponding to absorption shoulder of ZnS nanoparticles on CTAB concentration. (b)pH dependence of UV-absorbance corresponding to absorption shoulder of ZnS nanoparticles at 294 ... formation of nanoparticles depends exactly on salt concentration keeping the temperature and CTAB con- centration constant (Fig. 1c). It is a well-established fact that as a con...

Ngày tải lên: 22/06/2014, 01:20

... micelles. Layers of Pd Nanoparticles on Si Polished Si wafers with the doping concentration 4 · 10 14 cm À3 were used as substrates for electrophoretic deposition of Pd nanoparticles from colloid solutions ... characteristics of a Schottky diode prepared by deposition of Pd nanoparticles onto n-type InP 454 Nanoscale Res Lett (2007) 2:450–454 123 NANO EXPRESS Layers of Metal...

Ngày tải lên: 22/06/2014, 18:20