نتایج جستجو برای: polymer composite nanomaterial

تعداد نتایج: 210545  

Journal: :Journal of the American Chemical Society 2008
Huisheng Peng

This work reports a novel and general synthesis of aligned carbon nanotube/polymer composite films with high optical transparency, robust flexibility, and excellent conductivity. These composite films show many potential applications such as flexible conductors for optoelectronic devices.

Journal: :ACS nano 2010
Nailiang Yang Jin Zhai Dan Wang Yongsheng Chen Lei Jiang

As a novel two-dimensional (2D) material, graphene shows great benefits in electric and material science. Compared to 1D nanomaterials, it may show more excellent properties. Here, we introduced graphene as 2D bridges into the nanocrystalline electrodes of dye-sensitized solar cells, which brought a faster electron transport and a lower recombination, together with a higher light scattering. On...

2014
L. Saraf T. Darroudi O. Dillon J. J. Clarke G. Wetzel

Complex ceramic and composite materials used in alternative energy technologies often present challenges during electron microscopy analysis. Bulk electrical properties such as transport and mobility are crucial factors in carbon based or nanomaterial composites often analyzed at the atomic or molecular level despite the presence of localized chemical composition and resultant phase transformat...

2013
Animesh Agarwal Mayur Thombre Souarbh Kashyap

Environmental awareness today motivates the researchers, worldwide on the studies of natural fiber reinforced polymer composite and cost effective option to synthetic fiber reinforced composites. The availability of natural fibers and ease of manufacturing have tempted researchers to try locally available inexpensive fibers and to study their feasibility of reinforcement purposes and to what ex...

2007
Chi-Hwa Wu David R. Harding

The vapor deposition of open-networked carbon nanostructures and carbon nanotubes (CNTs)-reinforced composites have been developed and studied parametrically. Carbon nanostructures, including nano-tubes, nano-foams, nanoparticles, and nano-walls, have been deposited on catalyst-assisted substrates using microwave plasma electron cyclotron resonance-chemical vapor deposition (ECR-CVD) system at ...

Journal: :The Laryngoscope 2013
Christian Conderman Michael Kinzinger Cyrus Manuel Dmitry Protsenko Brian J F Wong

OBJECTIVES/HYPOTHESIS This study attempts to characterize the biomechanical properties of a PDS-cartilage composite graft for use in septorhinoplasty. STUDY DESIGN Experimental Study. METHODS This study used a PDS analog, porcine cartilage cut to 1 × 5 × 20 mm, and a mechanical testing platform to measure flexure of a composite graft. Samples were assessed in four groups based on variations...

2008
Hasan Ahmad M. Abdur Rahman M. A. Jalil Miah Klaus Tauer

A combination of magnetic and temperature-responsive properties in the same polymer composites is expected to increase their potential applications in the biomedical field. Accordingly, micron-sized magnetite/polystyrene/poly(2-dimethylaminoethyl methacrylate-ethyleneglycol dimethacrylate), which are abbreviated as Fe 3 O 4 /PS/P (DM-EGDM) composite polymer particles, were prepared by the seede...

2017
Lei Wang

Lithium aluminum hydride (LiAlH4) is an interesting high capacity hydrogen storage material with fast hydrogen release kinetics when mechanically activated with additives. Herein, we report on a novel approach to produce nanoscale LiAlH4 via a bottom-up synthesis. Upon further coating of these nanoparticles with Ti, the composite nanomaterial was found to decompose at 120 ◦C in one single and e...

Journal: :Sensors and actuators. B, Chemical 2003
A V Shevade M A Ryan M L Homer A M Manfreda H Zhou K S Manatt

We report a molecular modeling study to investigate the polymer-carbon black (CB) composite-analyte interactions in resistive sensors. These sensors comprise the JPL electronic nose (ENose) sensing array developed for monitoring breathing air in human habitats. The polymer in the composite is modeled based on its stereoisomerism and sequence isomerism, while the CB is modeled as uncharged napht...

2014
Heetak Han Sanggeun Lee Jungmok Seo Chandreswar Mahata Sung Hwan Cho A-Reum Han Keun-Sung Hong Joon-Ho Park Myung-Jin Soh Cheolmin Park Taeyoon Lee

UNLABELLED Although organic-based direct conversion X-ray detectors have been developed, their photocurrent generation efficiency has been limited by recombination of excitons due to the intrinsically poor electrical properties of organic materials. In this report, we fabricated a polymer-based flexible X-ray detector and enhanced the X-ray detection sensitivity using a single-walled carbon nan...

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