Báo cáo hóa học: " Fabrication and evolution of multilayer silver nanofilms for surface-enhanced Raman scattering sensing of arsenate" pdf

... Access Fabrication and evolution of multilayer silver nanofilms for surface-enhanced Raman scattering sensing of arsenate Jumin Hao 1† , Mei-Juan Han 1† , Zhonghou Xu 1 , Jinwei Li 2 and Xiaoguang ... Y: Surface-enhanced Raman scattering of biological molecules on metal colloid II: effects of aggregation of gold colloid and comparison of effects of...

Ngày tải lên: 21/06/2014, 04:20

... 450°C, and 550°C) have an approximate atomic ratio of tin to oxygen of 1:0.87, 1: 1.45, and 1:2, respectively. This is consistent with the results of XRD patterns and Raman spectra. Photoresponse of ... fund for the Doctoral Program of Higher Education of China. We thank Instrumental Analysis Center of SJTU for SEM analysis. Author details 1 Laboratory of Condensed...

Ngày tải lên: 20/06/2014, 23:20

... a homogeneous and robust film o n the surface of the sub- strate [15-17]. Herein, we present fabrication and charac- terization results of counter electrodes of graphene, SWNTs, and graphene-SWNT ... illumination of 100 mW/cm 2 under an open-circuit condition and in a fre- quency range of 0.1 Hz to 100 KHz. Results and discussion Figure1showstheFE-SEMimagesofdeposited(a)...

Ngày tải lên: 20/06/2014, 23:20

... over pore sidewall surface of InP template, which was different from that of ceramic template and may open up new branch of fabrication of nanocomposites. The mag netism of such Co/InP nanocomposites ... semiconductor templates and investigation of their magnetic properties may provide a new avenue for nano- fabrication and have important applications ranging from magn...

Ngày tải lên: 21/06/2014, 04:20

... a homogeneous and robust film o n the surface of the sub- strate [15-17]. Herein, we present fabrication and charac- terization results of counter electrodes of graphene, SWNTs, and graphene-SWNT ... illumination of 100 mW/cm 2 under an open-circuit condition and in a fre- quency range of 0.1 Hz to 100 KHz. Results and discussion Figure1showstheFE-SEMimagesofdeposited(a)...

Ngày tải lên: 21/06/2014, 17:20

... it appeared upon acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Fabrication and characterization of well-aligned and ultra-sharp silicon nanotip array Nanoscale ... positive voltage ranging from 0 to 1,000 V and measured the emission current. Results and discussion The progress of transformation of the tips and photoresist...

Ngày tải lên: 21/06/2014, 17:20

... shape and the size distribution of the porphyrin particles. For one thing, it is the molar ratios of two kinds of porphyrin in the solution. The structures of two porphyrins (Scheme 1) and the formation ... can provide useful information for understanding intermolecular interaction in the aggregation processes and for applications of these materials in molecular devices....

Ngày tải lên: 22/06/2014, 01:20

... increment of 350 and 520% with the addition of 4 and 8 wt.% of CNF, respectively. The elongation at break, on the other hand, shows steep decrement with the amount of CNF. The effects of various ... Addition of CNFs significantly improves the thermal conductivity of EVA even at low loading (Fig. 5). The thermal conductivity shows an increment of 70 and 188% with incorpora...

Ngày tải lên: 22/06/2014, 01:20

... per- formed all the experiments and drafted the manuscript. SHK participated in the design of the study and conceived of the study. RBHI participated in the design of the study and conceived of ... 65°C for 5 minutes, 42°C for 2 minutes, 42°C and 70°C for 50 minutes and 15 minutes. Polymerase chain reaction was carried out using the Takara thermal cycler (Takara Bio In...

Ngày tải lên: 20/06/2014, 01:20

Ngày tải lên: 21/06/2014, 05:20