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The number of precise conductance measurements in nanopores is quickly growing. In order to clarify the dominant mechanisms at play and facilitate the characterization of such systems for which there is still no clear consensus, we propose…

Soft Condensed Matter · Physics 2018-07-25 Manoel Manghi , John Palmeri , Khadija Yazda , Francois Henn , Vincent Jourdain

The detection of biomolecules at the single molecular level have important applications in the fields of biosensing and biomedical diagnosis. Solid state nanopore (SS-nanopore) is an effective tool to perform the single molecular detection,…

Biological Physics · Physics 2022-10-14 Jing Yang , Juan Wang , Ranfeng Wu , Yiming Chen , Cheng Zhang

Formaldehyde is a ubiquitous and high toxicity gas. It is an essential task to efficient detect owing to their toxicity and diffusion. In this work, we studied on the detection of trace amount of formaldehyde based on hollow Co3O4…

Chemical Physics · Physics 2024-02-13 Yang Cao , Jingyu Qian , Yong Yang , Yongguang Tu

We use infrared thermometry of carbon nanotube network (CNN) transistors and find the formation of distinct hot spots during operation. However, the average CNN temperature at breakdown is significantly lower than expected from the…

Mesoscale and Nanoscale Physics · Physics 2011-02-22 David Estrada , Eric Pop

A method of electronic conductivity measurement is presented. It combines two well known methods of electrochemistry: cyclic voltammetry and chronoamperometry. This DC technique uses the Hebb/Wagner approach to block ionic conduction when…

Systems and Control · Electrical Eng. & Systems 2024-10-01 Veyis Gunes , Jean-Yves Botquelen , Odile Bohnke

In this letter we perform an experimental study of ionic transport and current fluctuations inside individual Carbon Nanotubes (CNT). The conductance exhibits a power law behavior at low salinity, with an exponent close to 1/3 versus the…

Soft Condensed Matter · Physics 2016-04-20 E. Secchi , A. Nigues , L. Jubin , A. Siria , L. Bocquet

The energy absorption on nanometer scale is vital for many bio and chemical systems. We report here that a two times amplification in absorption efficiency can be achieved by water molecules confined in carbon nanotubes with small radius,…

Mesoscale and Nanoscale Physics · Physics 2022-07-19 Rong-Yao Yang , Wei-Zhou Jiang , Pei-Ying Huo , Qi-Lin Zhang

Carbon nanotubes are of central importance for applications in nano-electronics thanks to their exceptional transport properties. They can be used as sensors, for example in biological applications, provided that they are functionalized to…

Mesoscale and Nanoscale Physics · Physics 2020-04-14 Ghassen Jemaï , Jouda Khabthani , Guy Trambly de Laissardière , Didier Mayou

We present an atomistic self-consistent study of the electronic and transport properties of semiconducting carbon nanotube in contact with metal electrodes of different work functions, which shows simultaneous electron and hole doping…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Yongqiang Xue , Mark A. Ratner

Characterization of electronic properties of novel materials is of great importance for exploratory materials development and also for the discovery of new correlated phases. As several novel compounds are available in powder form only,…

Nanoporous carbon-based supercapacitors store electricity through adsorption of ions from the electrolyte at the surface of the electrodes. Room temperature ionic liquids, which show the largest ion concentrations among organic liquid…

As the dimensions of electronic devices approach those of molecules, the size, geometry and chemical composition of the contact electrodes play increasingly dominant roles in device functions. It is shown here that single-walled carbon…

Materials Science · Physics 2007-05-23 Pengfei Qi , Ali Javey , Marco Rolandi , Qian Wang , Erhan Yenilmez , Hongjie Dai

We use space-charge (SC) theory (also called the capillary pore model) to describe the ionic conductance, $G$, of charged carbon nanotubes (CNTs). Based on the reversible adsorption of hydroxyl ions to CNT pore walls, we use a Langmuir…

Chemical Physics · Physics 2019-12-24 P. M. Biesheuvel , M. Z. Bazant

We introduce a new image cytometer design for detection of very small particulate and demonstrate its capability in water analysis. The device is a compact microscope composed of off the shelf components, such as a light emitting diode…

Optics · Physics 2016-02-17 Juan Miguel Pérez , Marc Jofre , Pedro Martínez , Valerio Pruneri

In the last decades the exploitation of silver nanoparticles in novel antibacterial and detection devices have risen to prominence for their well-known specific interaction with bacteria. The vast majority of studies focus on the…

Single-chip CMOS-based biosensors that feature microcantilevers as transducer elements are presented. The cantilevers are functionalized for the capturing of specific analytes, e.g., proteins or DNA. The binding of the analyte changes the…

Hardware Architecture · Computer Science 2011-11-09 K. -U. Kirstein , Y. Li , M. Zimmermann , C. Vancura , T. Volden , W. H. Song , J. Lichtenberg , A. Hierlemannn

The depleted CMOS sensors are emerging as one of the main candidate technologies for future tracking detectors in high luminosity colliders. Its capability of integrating the sensing diode into the CMOS wafer hosting the front-end…

Instrumentation and Detectors · Physics 2019-10-17 Ricardo Marco Hernandez

Most carbon nanotube field-effect transistors (CNTFETs) directly attach metal source/drain contacts to an intrinsic nanotube channel. When the gate oxide thickness is reduced, such transistors display strong ambipolar conduction, even when…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Jing Guo , Ali Javey , Hongjie Dai , Supriyo Datta , Mark Lundstrom

This study presents a novel thermocouple instrument designed for precise temperature monitoring within biological tissues and cells, addressing a significant gap in biological research. Constructed on a Silicon-On-Insulator (SOI) substrate,…

Molecular devices, as future electronics, seek low-resistivity contacts for the energy saving. At the same time, the contacts should intensify desired properties of tailored electronic elements. In this work, we focus our attention on two…

Mesoscale and Nanoscale Physics · Physics 2015-06-02 Malgorzata Wierzbowska , Michal F. Rode , Mikolaj Sadek , Andrzej L. Sobolewski
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