نتایج جستجو برای: fe3o4sio2 nanostructures

تعداد نتایج: 19096  

2015
Juseok Lee Hojeong Jeon Ayman Haidar Hashim Abdul-Khaliq Michael Veith Cenk Aktas Youngjun Kim

A novel synthesis of a nanostructured cell adhesive surface is investigated for future stent developments. One-dimensional (1D) Al2O3 nanostructures were prepared by chemical vapor deposition of a single source precursor. Afterwards, recombinant filamentous bacteriophages which display a short binding motif with a cell adhesive peptide (RGD) on p3 and p8 proteins were immobilized on these 1D Al...

Journal: :Journal of nanoscience and nanotechnology 2010
Huiyu Chen Jong-Hak Lee Yu-Hee Kim Dong-Wook Shin Sang-Cheol Park Xianhui Meng Ji-Beom Yoo

A facile hydrothermal route has been developed for the synthesis of nearly spherical copper nanoparticles, copper nanocubes and ribbon-like network nanostructures. The as-prepared copper nanostructures were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), transmission electron microscopy (TEM), high-resolution TEM (HRTEM), and...

2009
Guozhen Shen Di Chen

The II-V group semiconductors, with narrow band gaps, are important materials with many applications in infrared detectors, lasers, solar cells, ultrasonic multipliers, and Hall generators. Since the first report on trumpet-like Zn(3)P(2) nanowires, one-dimensional (1-D) nanostructures of II-V group semiconductors have attracted great research attention recently because these special 1-D nanost...

2013
Tariq Jan Javed Iqbal Muhammad Ismail M Zakaullah Sajjad Haider Naqvi Noor Badshah

Highly ionic metal oxide nanostructures are attractive, not only for their physiochemical properties but also for antibacterial activity. Zinc oxide (ZnO) nanostructures are known to have inhibitory activity against many pathogens but very little is known about doping effects on it. The antibacterial activity of undoped ZnO and tin (Sn) doped ZnO nanostructures synthesized by a simple, versatil...

Journal: :ACS nano 2012
Heng-Jui Liu Long-Yi Chen Qing He Chen-Wei Liang Yu-Ze Chen Yung-Shun Chien Ying-Hui Hsieh Su-Jien Lin Elke Arenholz Chih-Wei Luo Yu-Lun Chueh Yi-Chun Chen Ying-Hao Chu

Self-assembled vertical nanostructures take advantage of high interface-to-volume ratio and can be used to design new functionalities by the choice of a proper combination of constituents. However, most of the studies to date have emphasized the functional controllability of the nanostructures using external electric or magnetic fields. In this study, to introduce light (or photons) as an exter...

2015
Liqin Xiang Shuo Liu Jianbo Yin Xiaopeng Zhao

The semiconductors decorated with noble metals or magnetic metals have attracted increasing attention due to multifunctional properties. In this article, we prepare novel bimetallic core/shell nanoparticle (Co@Au and Co@Ag)-decorated 3D urchin-like hierarchical TiO2 nanostructures through combining electroless plating and in situ replacement processes. The morphology and structure are character...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2008
P R Sajanlal T S Sreeprasad A Sreekumaran Nair T Pradeep

A simple and versatile method for the synthesis of a wide range of polyaniline (PANI)-based 1D and 2D gold nanostructures of uniform size distribution with high colloidal stability is demonstrated. All the nanostructures were synthesized from oligoaniline-coated gold nanoparticle precursors. The nanostructures include nanowires of various sizes, nanoplates, and flower-like nanoparticles. These ...

2014
Mazhar Ali Abbasi Zafar Hussain Ibupoto Mushtaque Hussain Galia Pozina Jun Lu Lars Hultman Omer Nur Magnus Willander

Composite nanostructures of coral reefs like p-type NiO/n-type ZnO were synthesized on fluorine-doped tin oxide glass substrates by hydrothermal growth. Structural characterization was performed by field emission scanning electron microscopy, high-resolution transmission electron microscopy, and X-ray diffraction techniques. This investigation shows that the adopted synthesis leads to high crys...

Journal: :Nano letters 2016
Rui Xiao Yasen Hou Yongping Fu Xingyue Peng Qi Wang Eliovardo Gonzalez Song Jin Dong Yu

We investigate solution-grown single-crystal methylammonium lead iodide (MAPbI3) nanowires and nanoplates with spatially resolved photocurrent mapping. Sensitive perovskite photodetectors with Schottky contacts are fabricated by directly transferring the nanostructures on top of prepatterned gold electrodes. Scanning photocurrent microscopy (SPCM) measurements on these single-crystal nanostruct...

2014
Hong Wei Hongxing Xu

Plasmonics is a rapidly developing research field with many potential applications in fields ranging from bioscience, information processing and communication to quantum optics. It is based on the generation, manipulation and transfer of surface plasmons (SPs) that have the ability to manipulate light at the nanoscale. Realizing plasmonic applications requires understanding how the SP-based pro...

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