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In this work we combine a Fin Field Effect Transistor (Fin-FET) characterised by a high height to width aspect ratio with high-k dielectric materials to study the optimized design for chemical-FETs to provide higher transconductance (and…

Applied Physics · Physics 2019-07-26 Serena Rollo , Dipti Rani , Wouter Olthuis , César Pascual García

Organic light-emitting transistors (OLETs) are multifunctional optoelectronic devices that combine in a single structure the advantages of organic light emitting diodes (OLEDs) and organic field-effect transistors (OFETs). However, low…

Real-time object localization on edge devices is fundamental for numerous applications, ranging from surveillance to industrial automation. Traditional frameworks, such as object detection, segmentation, and keypoint detection, struggle in…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Chen Xin , Thomas Motz , Andreas Hartel , Enkelejda Kasneci

Contact resistances often contribute significantly to the overall device resistance in organic field-effect transistors (OFETs). Understanding charge injection at the metal-organic interface is critical to optimizing OFET device…

Materials Science · Physics 2009-11-11 D. Natelson , B. H. Hamadani , J. W. Ciszek , D. A. Corley , J. M. Tour

The use of hydrogen as a clean and renewable alternative to fossil fuels requires a suite of flammability mitigating technologies, particularly robust sensors for hydrogen leak detection and concentration monitoring. To this end, we have…

Water is a life-giving source, fundamental to human existence, yet, over a billion people lack access to clean drinking water. Present techniques for water treatment such as piped, treated water rely on time and resource intensive…

Chemical Physics · Physics 2016-07-26 Venkatasubramanian Viswanathan , Heine A. Hansen , Jens K. Nørskov

We have used an electro-optic technique to measure the position-dependent infrared absorption of holes injected into a thin crystal of the organic semiconductor, 6,13-bis(triisopropylsilylethynyl)-pentacene incorporated in a field-effect…

Materials Science · Physics 2015-05-18 E. G. Bittle , J. W. Brill , J. E. Anthony

A novel approach for electrochemical tuning of alcohol oxidase (AOx) and alcohol dehydrogenase (ADH) biocatalysis towards butanol-1 oxidation by incorporating enzymes in various designs of amperometric biosensors is presented. The…

Chemical Physics · Physics 2021-02-01 Daria Semenova , Tiago Pinto , Marcus Koch , Krist V. Gernaey , Helena Junicke

We developed a highly hydrogen-sensitive thermal desorption spectroscopy (HHS-TDS) system to detect and quantitatively analyze low hydrogen concentrations in thin films. The system was connected to an in situ sample-transfer chamber system,…

Materials Science · Physics 2017-05-08 Taku Hanna , Hidenori Hiramatsu , Isao Sakaguchi , Hideo Hosono

Cadmium zinc telluride (CdZnTe, CZT) radiation detectors are suitable for a variety of applications, due to their high spatial resolution and spectroscopic energy performance at room temperature. However, state-of-the-art detector systems…

Instrumentation and Detectors · Physics 2016-10-13 P. Födisch , M. Berthel , B. Lange , T. Kirschke , W. Enghardt , P. Kaever

Optimizing the performance of organic solar cells (OSCs) hinges on a comprehensive understanding of their nanostructures, yet traditional characterization methods often fall short, delivering incomplete structural snapshots. We introduce…

Organic thin film materials with molecular ordering are gaining attention as they exhibit semiconductor characteristics. When using them for electronics, the thermal management becomes important, where heat dissipation is directional owning…

Instrumentation and Detectors · Physics 2021-03-31 Shingi Yamaguchi , Takuma Shiga , Shun Ishioka , Tsuguyuki Saito , Takashi Kodama , Junichiro Shiomi

Selectivity and sensitivity are important figures of merit in the design and optimization of electrochemical biosensors. The efficiency of the fabricated immunosensing surface can easily be influenced by several factors, such as detection…

We present a unique experimental design that enables the measurement of photoelectron circular dichroism (PECD) from chiral molecules in aqueous solution. The effect is revealed from the intensity difference of photoelectron emission into a…

A fundamental issue in biomedical and environmental sciences is the development of sensitive and robust sensors able to probe the analyte of interest, under physiological and pathological conditions or in environmental samples, and with…

Materials Science · Physics 2015-11-10 Loretta L. del Mercato , Maria Moffa , Rosaria Rinaldi , Dario Pisignano

Despite the great promise of carbon nanotube field effect transistors (CNT FETs) for applications in chemical and biochemical detection, a quantitative understanding of sensor responses is lacking. To explore the role of electrostatics in…

Optical Coherence Tomography (OCT) has become an indispensable tool for investigating mesoscopic features in soft matter and fluid mechanics. Its ability to provide high-resolution, non-invasive measurements in both spatial and temporal…

Monatomic and molecular hydrogen and also oxygen, as well as water molecules and OH that are exposed to atomic copper in intimate contact have been studied theoretically using computational methods. The authors optimized moderately large…

Chemical Physics · Physics 2019-01-10 Firuz Demir , Kevin Dean

The purpose of this project is to investigate the use of charge couple devices (CCDs) to detect electrons directly. This can be done in transmission electron microscopy (TEM) for electrons over 100 KeV, but for space plasma instruments,…

Instrumentation and Detectors · Physics 2015-10-28 S. R. Mirfayzi

Room temperature superconductivity remains elusive, and hydrogen-base compounds despite remarkable transition temperatures(Tc) typically require extreme pressures that hinder application. To accelerate discovery under moderate pressures, an…

Superconductivity · Physics 2025-11-17 Jiawei Chen , Junhao Peng , Yanwei Liang , Renhai Wang , Huafeng Dong , Wei Zhang