Papers:
Ultrafast Integrated Humidity and Temperature Sensor Based on Carbon Nanotubes, and a Sensor Controller System
A flexible, resistive-type, integrated humidity and temperature sensor that is made of carbon nanotubes (CNTs) will be presented. The sensor resolution is ~1% for relative humidity and <0.5°C for temperature. The sensor response and settling [...]
Harnessing the resistive-elastic behavior of novel CNT-graphene hybrid foams for practical sensing applications
Carbon nanotube (CNT) foam and aerogels hold promise in the area of strain sensors because of their resistive-elastic behavior under compressive strain. To date one of the largest obstacles in the area of CNT foam [...]
Wafer-scale integration of in-situ grown carbon nanotube membranes: a platform to study electrical properties
Le Poche H., Guerin H., Fournier A., Ramos R., Fayolle M., Delaunay M., Dijon J., Ionescu A.M., CEA-Liten, FR
Dense arrays of horizontal carbon nanotubes (CNTs) connected between two metallic electrodes and either supported on a silicon dioxide layer or suspended above a third gate electrode constitute a basic building block to achieve CNT-based [...]
Printed High-performance Carbon Nanotube Thin Film Transistors Based on Poly[(9,9-dioctylfluorenyl-2,7-diyl)-co-(1,4-benzo-2,1-3-thiadiazole)] (PFO-BT) Sorted Large-diameter Semiconducting Carbon Nanotubes (sc-SWCNTs)
Liua Z., Zhaoa J., Xua W., Qiana L., Cuia Z., Printable Electronics Research Centre, Suzhou Institute of Nanotech and nano-bionics, Chinese Academy of Sciences, CN
Here we report a simple and valid method to fabricate printed top-gate thin-film transistors (TFTs) with based on poly[(9,9-dioctylfluorenyl-2,7-diyl)-co-(1,4-benzo-2,1-3-thiadiazole)] (PFO-BT) sorted semiconducting carbon nanotubes (SWNTs) from arc discharge carbon nanotubes. Sorted sc-SWCNT inks were directly [...]
Improvement of contact resistance in transparent thin film transistor by applying an Al/SWCNTs bilayer as electrodes
SWCNTs have various bandgaps so that they show metal as well as semiconductor characteristic. However, it is difficult to separate the metallic and the semi-conducting SWCNTs. Also, the high contact resistance at the interface between [...]
Promoter-free continuous synthesis of high purity single wall carbon nanotube fibers
We report a new strategy towards the control of carbon nanotube (CNT) structure and continuous fiber formation using a floating catalyst direct spinning CVD process. In the procedures used to date, a sulphur promoter precursor [...]
Pulsed Laser Deposition of Carbon Nanomaterials
Nanostructured graphite and few-layer graphene (FLG) have been grown on copper and silicon substrates via pulsed laser deposition (PLD). Our PLD setup utilizes a high power Nd:YAG laser (266 and 532 nm) to ablate a [...]
Inducing Aromaticity Patterns and Tuning the Electronic Transport of Graphene Nanoribbons via Edge Design
Fias S., Martin-Martinez F.J., Van Lier G., De Proft F., Geerlings P., Free University Brussels (VUB), BE
Tuning the band gap of graphene nanoribbons (GNR) by chemical edge functionalisation is a promising approach towards future electronic devices based on graphene. The band gap is closely related to the aromaticity distribution and therefore [...]
3-D characterization of carbon nanotube-polymer composites using scanning electron microscopy and confocal Raman microscopy
3D characterization of the dispersion of CNTs in a polymer matrix is a critical step toward understanding and improving the performance of CNT polymer composites. In this study, SEM and confocal Raman microscopy (CRM) were [...]
Dynamics of carbon nanopillar growth on bulk and thin substrates irradiated by a focused electron beam
Here we compare successive stages of carbon nanopillar growth on various substrates irradiated by a 20keV electron beam focused to a spot of 1 nm diameter. The hydrocarbon molecules present in the residual atmosphere of [...]
Synthesis of nano carbons using plasma reactor
We are presenting a method of continuous synthesis of nano carbons from a gaseous hydrocarbon feedstock in our plasma reactor system. Controlling the operation parameters of the non-equilibrium inert/hydrocarbon gas plasma from our in-house designed [...]
Soluble Graphene Hybrid Composite (GHC) by Physical Functionalization
Le G.V., Le T.M., Dinh D., Dinh H., Dinh D., Dinh H., Nguyen K.C., Nguyen T.T., Nguyen K.C., Nguyen T.T., Le G.V., Le T.M., DHK GRAPHENOLOGIES LLC, US
Generally speaking, the CVD process of CH4 gas on copper substrate renders a rigid and conductive film from extended graphene molecule which is hard to be produced in large scale. The graphene oxide (GO) is [...]
The preparation and characterization of the Graphene-Like YBO3:Ce3+
Wang Y., Wang Z.Z., Hu X.Y., Wang Y., Wang Z.Z., Zhan S.C., Sun Q., Sun X., Miao H., Sun Q., Sun X., Hao Y.Y., Northwest University, CN
In this study, a new material of Graphene-Like YBO3:Ce3+ phosphors was synthesized by solvothermal method and layered by liquid exfoliation treatment, and it is the material with layered structure. SEM image shows that the thickness [...]
Charge Amplification of a Graphene-integrated-CMOS (GIC) RF Detector
A novel approach is demonstrated to characterize the charge amplification of mono-layered graphene as an integral part of a Complementary Metal Oxide Semiconductor Device (CMOS) under RF radiation. We have verified that charge carriers generated [...]
Polymer nanocomposites reinforced with nanoparticles extracted from renewable resources
There has been an explosion of interest in the use of biomass as a source of renewable energy and materials. One focus of this activity has followed from the recognition that, by suitable chemical and [...]
Interlayer interaction and disorder in Few Layer Graphene (FLG) powders prepared by fluidized bed chemical vapor deposition
Bacsa R., Bacsa W.S., Serp Ph., Lecante P., Pavlenko E., Cameán I., Ramos A., Garcia A.B., Bacsa R., Bacsa W.S., University of Toulouse, FR
The growth of few layer graphene (FLG) in powder form by CVD is particularly promising for its large scale production and use in composites as well as electrochemical and energy applications. The electronic and mechanical [...]
Graphene-Loaded Nanofiber-Modified Electrode: A Novel and Sensitive Electrochemical Detection System
Rodthongkum N., Ruecha N., Promphet N., Rangkupan R., Vachet R.W., Chailapakul O., Metallurgy and Materials Science Research Institute, Chulalongkorn University, TH
This work aims to develop a novel electrode based on graphene loaded nanofibers for sensitive electrochemical detection of biomolecules (i.e. dopamine) and heavy metals. The very low limit of detection are obtained for both dopamine [...]
Graphene/polyaniline nanocomposite modified electrode for biosensors
A novel system based on graphene/polyaniline nanocomposite modified electrode was successfully developed for sensitive and specific determination of NGAL protein biomarker. Then, the optimum conditions were applied for the detection of NGAL in real biological [...]
Comparisons of electrochemical sensors for heavy metals detection based on filter paper and transparency film substrate
Electrochemical sensors based on filter paper and transparency film substrates have been prepared using screen-printing method for the detection of the heavy metals Pb2+, Cd2+, and Zn2+. The electrochemical characteristics of these electrodes were analyzed [...]
Bi-Layer Graphene Nanoribbon Memory with Graphene Nanoflake Shuttle
We investigated the dynamic properties of graphene-nanoribbon (GNR) memory encapsulating graphene-nanoflake (GNF) shuttle in the potential to be applicable as a non-volatile random access memory via molecular dynamics simulations. This work explicitly demonstrates that the [...]
Journal: TechConnect Briefs
Volume: 1, Nanotechnology 2014: Graphene, CNTs, Particles, Films & Composites
Published: June 15, 2014
Industry sector: Advanced Materials & Manufacturing
Topics: Carbon Nano Structures & Devices, Graphene & 2D-Materials
ISBN: 978-1-4822-5826-4