نتایج جستجو برای: graphene based nanomaterials

تعداد نتایج: 2983188  

2018
Zexia Zhang Ruitao Lv Yi Jia Xin Gan Hongwei Zhu Feiyu Kang

Transparent electrodes based on carbon nanomaterials have recently emerged as new alternatives to indium tin oxide (ITO) or noble metal in organic photovoltaics (OPVs) due to their attractive advantages, such as long-term stability, environmental friendliness, high conductivity, and low cost. However, it is still a challenge to apply all-carbon electrodes in OPVs. Here, we report our efforts to...

2017

The new revolution in dental materials is due to use of nanomaterials in dentistry. Graphene is one of the carbon nanoallotrope that has the potential to enhance properties of materials used in dentistry. The use of this 2D crystal is dentistry is virtue to its typical properties that provides improved performance, extended functionality in materials. In this paper, a review is done to study 3D...

2015
Bal-Ram Adhikari Maduraiveeran Govindhan Aicheng Chen

Electrochemical sensors and biosensors have attracted considerable attention for the sensitive detection of a variety of biological and pharmaceutical compounds. Since the discovery of carbon-based nanomaterials, including carbon nanotubes, C60 and graphene, they have garnered tremendous interest for their potential in the design of high-performance electrochemical sensor platforms due to their...

Journal: :American journal of translational research 2017
Cui-Cui Liu Jing-Jing Zhao Rui Zhang Hui Li Bo Chen Ling-Ling Zhang Hao Yang

Among various nanomaterials, graphene and its derivatives have attracted considerable research interest in diverse application areas-including nanomedicine-because of their extraordinary physical, chemical, and optical properties. Intensive research is underway to investigate the biomedical application of graphene and graphene-based nanosystems as drug-delivery vehicles for cancer therapy, and ...

2013
Mateusz Wierzbicki Ewa Sawosz Marta Grodzik Marta Prasek Slawomir Jaworski André Chwalibog

Angiogenesis is vital for tumour formation, development and metastasis. Recent reports show that carbon nanomaterials inhibit various angiogenic signalling pathways and, therefore, can be potentially used in anti-angiogenic therapy. In the present study, we compared the effect of different carbon nanomaterials on blood vessel development. Diamond nanoparticles, graphite nanoparticles, graphene ...

Journal: :Angewandte Chemie 2017
Chang Lu Zhicheng Huang Biwu Liu Yibo Liu Yibin Ying Juewen Liu

Attaching DNA to nanomaterials is the basis for DNA-directed assembly, sensing, and drug delivery using such hybrid materials. Poly-cytosine (poly-C) DNA is a high affinity ligand for four types of commonly used nanomaterials, including nanocarbons (graphene oxide and single-walled carbon nanotubes), transition metal dichalcogenides (MoS2 and WS2 ), metal oxides (Fe3 O4 and ZnO), and metal nano...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2009
K Eswar Prasad Barun Das Urmimala Maitra Upadrasta Ramamurty C N R Rao

One of the applications of nanomaterials is as reinforcements in composites, wherein small additions of nanomaterials lead to large enhancements in mechanical properties. There have been extensive studies in the literature on composites where a polymer matrix is reinforced by a single nanomaterial such as carbon nanotubes. In this article, we examine the significant synergistic effects observed...

2014
Hao Bai Wentao Jiang Gregg P. Kotchey Wissam A. Saidi Benjamin J. Bythell Jacqueline M. Jarvis Alan G. Marshall Renã A. S. Robinson Alexander Star

Graphene represents an attractive two-dimensional carbon-based nanomaterial that holds great promise for applications such as electronics, batteries, sensors, and composite materials. Recent work has demonstrated that carbon-based nanomaterials are degradable/biodegradable, but little work has been expended to identify products formed during the degradation process. As these products may have t...

2014
Mircea DRAGOMAN

The p-n junction cannot be implemented at the nanoscale because the doping is very often a detrimental effect. The doping could change dramatically the properties of a nanomaterial such as graphene or single-walled carbon nanotubes. Therefore, we will present two graphene diodes without a p-n junction. The first is based on the dissimilar metals having workfunction below and above the graphene ...

Journal: :Nature nanotechnology 2010
R Thomas Weitz Amir Yacoby

699 news & views etching of large sheets represents an attractive alternative because it is able to achieve uniform, organized arrays 7. Unfortunately, the complexity of the tools necessary for sub-10-nm patterning and an inability to control edge roughness represent significant limitations to this technique. Sprinkle, de Heer and colleagues report progress towards a very different approach, in...

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