Now showing items 1-15 of 15

  • A 3D self-consistent percolative model for AC-DC electrical analysis of carbon nanotubes networks 

    Colasanti S; Bhatt V; Abdelhalim A; Abdellah A; Lugli P (Institute of Electrical and Electronics Engineers Inc., 2015)
    We present a SPICE-based percolative model for the simulation of randomly aligned networks of carbon nanotubes (CNT). The network generation is based on a stochastic algorithm that randomly generates nanotubes over a ...
  • Analysis of sprayed carbon nanotube films on rigid and flexible substrates 

    Robbiano V; Abdellah A; Santarelli L; Falco A; El-Molla S; Titova L; Purschke D; Hegmann F; Cacialli F; Lugli P (Institute of Electrical and Electronics Engineers Inc., 2014)
    We report on the morphological, electrical and optical characteristics of Carbon nanotube (CNT) films on different transparent substrates, obtained using spray deposition. The effect of different substrate materials on the ...
  • Biocompatibility tests on spray coated carbon nanotube and PEDOT:PSS thin films 

    Bhatt V; Melzer K; Abdellah A; Lugli P; Teymouri S; Guttenberg Z (IEEE, 2016)
    Thin films of semiconducting and unsorted carbon nanotubes (CNT) are prepared on a transparent and flexible cyclic olefin polymeric substrate. The CNT biocompatibility is analyzed using L929 mouse fibroblasts and Human ...
  • Carbon nanotube based gas sensor arrays on rigid and flexible substrates 

    Abdelhalim A; Loghin F; Winkler M; Zeiser C; Abdellah A; Lugli P (Institute of Electrical and Electronics Engineers Inc., 2015)
    We report a highly reproducible Carbon nanotube (CNT) based gas sensor arrays, which are able to discriminate between NH3, CO, CO2 and ethanol. Each sensor array is composed of four sensing elements where metallic nanoparticles ...
  • Carbon nanotube based millimeterwave fishnet metamaterials 

    Russer JA; Xiong Y; Abdellah A; Culhaoglu AE; Che W; Lugli P; Russer P (IEEE, 2014)
    Fishnet metamaterials consist of two or more conducting fishnet layers separated by homogeneous dielectric layers. Different from other planar multilayer metamaterial structures fishnet metamaterials do not require vias ...
  • Carbon nanotube based temperature sensors fabricated by large-scale spray deposition 

    Cagatay E; Falco A; Abdellah A; Lugli P (Institute of Electrical and Electronics Engineers Inc., 2014)
    We present high-performance temperature sensors which utilize spray deposited carbon nanotube (CNT) films as the active sensing material. In order to evaluate device performance, the change in device resistance with respect ...
  • Complex impedance characterization of highly sensitive carbon nanotube gas sensors 

    Abdelhalim A; Abdellah A; Lugli P (Institute of Electrical and Electronics Engineers Inc., 2014)
    Complex impedance spectroscopy is used to characterize carbon nanotube (CNT) based gas sensors under the exposure of different concentrations of NH3 (10 ppm, 25 ppm, 50 ppm and 100 ppm). The characterization is performed ...
  • Experimental and computational study on the temperature behavior of CNT networks 

    Colasanti S; Loghin F; Bhatt V; Abdellah A; Lugli P; Robbiano V; Cacialli F (Institute of Electrical and Electronics Engineers Inc., 2016)
    We report on the electrical properties of carbon nanotubes (CNT) networks deposited using spray deposition onto interdigitated gold structures. The properties have been measured experimentally and analyzed using a computational ...
  • Integrating CNT force sensors into a multimodal modular electronic skin 

    Cagatay E; Abdellah A; Lugli P; Mittendorfer P; Cheng G (IEEE, 2016)
    This paper presents the integration of a flexible capacitive force sensor based on carbon nanotube (CNT) thin-film with a multi-modal artificial skin cell, which is built on a hexagonal shaped, rigid, printed circuit board ...
  • Organic millimeterwave fishnet metamaterial structures 

    Russer JA; Xiong Y; Abdellah A; Culhaglu AE; Che W; Lugli P; Russer P (IEEE, 2014)
    A possible way for the economic production of three-dimensional metamaterials is based on the use of planar multilayer structures. The fabrication of two-dimensional metamaterial structures will be performed by spray coating ...
  • Pattern generation by using high-resolution nanoimprinting and nanotransfer printing techniques 

    Scarpa G; Harrer S; Abdellah A; Penso-Blanco G; Lugli P; Strobel S; Abstreiter G; Tornow M (IEEE, 2009)
    Nanofabrication is the core task performed and constantly further developed by todays and future semiconductor industry. Optimization of throughput and minimizing process cost and complexity thus increasing fabrication ...
  • Solution-processable random carbon nanotube networks for thin-film transistors 

    Gong Q; Albert E; Fabel B; Abdellah A; Lugli P; Chan-Park M; Scarpa G (IEEE, 2011)
    We report a straightforward process to fabricate carbon nanotube field-effect transistors based on random nanotube networks. This solution-based approach is simple, fast and reliable, which can be applied to printed ...
  • Spray deposition of highly uniform CNT films and their application in gas sensing 

    Abdellah A; Yaqub A; Ferrari C; Fabel B; Lugli P; Scarpa G (IEEE, 2011)
    A significant step towards commercialization of novel CNT electronics involves the development of large-area and high-throughput processes for the fabrication of high quality CNT films. In this article, we demonstrate a ...
  • Spray-coating deposition for large area organic thin-film devices 

    Abdellah A; Baierl D; Fabel B; Lugli P; Scarpa G (CRC Press, 2009)
    We report the implementation and testing of an airbrush coating system for the fabrication of a variety of organic electronic and optoelectronic devices using a commercially available airbrush unit. Our setup was implemented ...
  • Thermal treatment and encapsulation of carbon nanotube based temperature sensors 

    Cagatay E; Abdellah A; Lugli P (IEEE, 2015)
    We present high-performance temperature sensors which utilize spray deposited carbon nanotube (CNT) films as the active sensing material. In order to evaluate the device performance, the change in device resistance with ...