نتایج جستجو برای: au nanoporous

تعداد نتایج: 83376  

Journal: :Advanced Materials Interfaces 2022

Nanoporous graphene (NPG) exhibits an apparent semiconductivity to solve the zero-gap problem of and also offers multifunctionalities that are directly associated with its structural chemical nature. However, reliable, low-cost, large-scale production NPG is a major challenge for practical applications. Here, high-performance resistive-switching memory cell based on biomass-derived materials de...

Journal: :journal of nanostructures 2014
h. bashiri s. eris

isotherm equation is one of the important scientific bases for adsorbent selection. there are different isotherms that do not account for an adsorbate, different chemisorption geometries on the nanoporous surface. it is interesting to introduce a general isotherm, which considers different chemisorption geometries of an adsorbate on nanoporous surfaces. in this study, an isotherm for non-dissoci...

2013
Zhigang Chen Minghua Tang Linlin Song Guoqiang Tang Bingjie Zhang Lisha Zhang Jianmao Yang Junqing Hu

Inorganic/organic heterojunction solar cells (HSCs) have attracted increasing attention as a cost-effective alternative to conventional solar cells. This work presents an HSC by in situ growth of CuInS2(CIS) layer as the photoabsorption material on nanoporous TiO2 film with the use of poly(3-hexylthiophene) (P3HT) as hole-transport material. The in situ growth of CIS nanocrystals has been reali...

2012
Jörg Weissmüller

Nanoporous metal prepared by the corrosion of an alloy can take the form of monolithic, millimeter-sized bodies containing approximately 1015 nanoscale ligaments per cubic millimeter. Applications have been suggested, for instance in catalysis, sensing and actuation. Although the process of dealloying has seen many studies, the underlying processes remain to be clarified in more detail. Here we...

Journal: :The Analyst 2012
Dan Wu Ru Li Haixia Wang Shiquan Liu Huan Wang Qin Wei Bin Du

A novel electrochemical immunosensor for sensitive detection of cancer biomarker prostate-specific antigen (PSA) has been reported based on nanoporous gold (NPG) and hollow mesoporous silica microspheres (HSMs). The immunoassay was conducted by following the typical procedure for sandwich-type immunoreaction. Nanoporous gold (NPG) foils were immobilized onto a glassy carbon electrode (GCE) for ...

2003
Sarah Majetich D. H. Reich A. Hultgren L. A. Bauer C. S. Chen G. J. Meyer

Magnetic particles that can be bound to cells and biomolecules have become an important tool for the application of force in biology and biotechnology. Multifunctional magnetic nanowires fabricated by electrochemical deposition in nanoporous templates are a type of magnetic carrier that offers significant potential advantages over commercially available magnetic particles. Recent experimental w...

2014
Fu-Juan LIU Ji-Huan HE Lan XU Ping WANG

Recently, nanoporous fibers have been caught much attention as the most promising material in nanotechnology. To our knowledge, nanoporous materials have extremely high surface area and are widely used in different fields, such as filtration, radiation protection, catalysis, sensors, tissue engineering, and drug delivery [1-2]. Electrospinning is an effective method, which can fabricate polymer...

2010
Cristina Romero Juan C. Noyola Ulises Santiago Renela M. Valladares Alexander Valladares Ariel A. Valladares

We review our approach to the generation of nanoporous materials, both semiconducting and metallic, which leads to the existence of nanopores within the bulk structure. This method, which we have named as the expanding lattice method, is a novel transferable approach which consists first of constructing crystalline supercells with a large number of atoms and a density close to the real value an...

2013
YUQUAN HAO SHUJUN LI XUESONG HAN YULIN HAO HONGJUN AI

The aim of the present study was to investigate the effects of the surface characteristics of nanoporous titanium oxide films, formed by anodization on Ti-24Nb-4Zr-8Sn (Ti2448) alloy, on the early adhesion of osteoblast-like MG-63 cells. Nanoporous titanium oxide films with two different pore sizes (30 and 90 nm) were formed by anodization in NH4F solution on Ti2448 alloy. The surface roughness...

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