نتایج جستجو برای: tio2 nanowires

تعداد نتایج: 37052  

2017
Jinho Park Venkat Subramanian Yinjie Tang

......................................................................................................................................... ii Acknowledgements ................................................................................................................... iv List of Tables ............................................................................................................

Journal: :Acta Chimica Asiana 2023

The synthesis of environmentally friendly-based chemicals such as solvent-free continues to be developed. A critical precursor in chemical is benzoic acid. This research developed a method by utilizing TiO2 nanomaterials with different morphologies photocatalysts, namely nanoparticles (NPs) and nanowires (NWs). Titanium (IV) oxide morphology was synthesized hydrothermal under alkaline condition...

A. Ramazani E. Jafari- Khamse M. Almasi Kashi, V. Asgari

The effect of length variation on the magnetic properties of NiFe alloy nanowires electrodeposited into the alumina template was investigated. The diameter (45±2.5 nm) and length (~ 1.9, 7.12, 8.3, 9.5 and 13.3 µm) of the nanowires were estimated from scanning electron microscopy images. Energy dispersive spectroscopy results showed Ni3Fe7 composition of the alloy nanowire...

Journal: :The Review of scientific instruments 2012
Xuhui Feng Xiaopeng Huang Xinwei Wang

As an effective transient thermal characterization technique, the transient electrothermal (TET) technique features a capability of measuring micro∕nanoscale samples of diverse electrical conducting natures. In this work, single anatase titanium dioxide (TiO(2)) nanowires fabricated using the electrospinning method are characterized using the TET technique. Time-dependent nonlinear effect is ob...

2007
Tammy P. Chou Qifeng Zhang Glen E. Fryxell Guozhong Cao

The interest in dye-sensitized solar cells has increased due to reduced energy sources and higher energy production costs. For the most part, titania (TiO2) has been the material of choice for dye-sensitized solar cells and so far have shown to exhibit the highest overall light conversion efficiency ∼ 11 %. However, zinc oxide (ZnO) has recently been explored as an alternative material in dye-s...

2012
Anthony G. Dylla Penghao Xiao Graeme Henkelman Keith J. Stevenson

The lithium insertion behavior of nanoparticle (3-D) and nanosheet (2D) architectures of TiO2(B) is quite different, as observed by differential capacity plots derived from galvanostatic charging/discharge experiments. DFT+U calculations show unique lithiation mechanisms for the different nanoarchitectures. For TiO2(B) nanoparticles, A2 sites near equatorial TiO6 octahedra are filled first, fol...

Journal: :journal of nanostructures 2012
m. almasi kashi a. ramazani n. akhshi e. j. khamse z. fallah

coni nanowires were deposited by pulsed electrodeposition technique into porous alumina templates. the effect of off time between pulses (toff) and reductive/oxidative time (treduc/oxid) on the microstructure and magnetic properties of the coni nanowires were investigated. maximum coercivity and squareness were obtained for samples fabricated at treduc/oxid= 0.5 ms and toff =400 ms. the coerciv...

2008
Philip Wong Peter Peumans Mark Brongersma Yoshio Nishi Ying Chen Jason Parker Trudie Wang Xinyu Bao Jim McVittie

In the past year we focused on developing the metal nanostructure simulation, nanowire growth, and device fabrication. We explored a new geometry with Hertzianlike disc shaped antennas to replace the bowtie antennas we had initially investigated to achieve better performance. Light absorption enhancement of the nanodimers in terms of size and inter space was simulated. A testbed structure based...

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