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Related papers: Sensing food quality by silicene nanosheets : a De…

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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

The effects of temperature and humidity on the estimation of air pollution by benzene by using the piezoelectric crystal gas sensor were studied. Polyvinylchloride films were used as substrate for the immobilization of…

Chemical Physics · Physics 2016-11-21 Chan-Hyon Han , Yong-A Choe , Jong-Ho Yun , Kye-Ryong Sin

Inspired by the dendritic integration and spiking operation of a biological neuron, flexible oxide-based neuron transistors gated by solid-state electrolyte films are fabricated on flexible plastic substrates for biochemical sensing…

Materials Science · Physics 2015-05-20 Ning Liu , Li Qiang Zhu , Ping Feng , Chang Jin Wan , Yang Hui Liu , Yi Shi , Qing Wan

Understanding the movement of charge within organic semiconducting films is crucial for applications in photo-voltaics and flexible electronics. We study the sensitivity of the electrical conductance of a silicon nanowire to changes of…

Mesoscale and Nanoscale Physics · Physics 2019-05-20 M. V. Klymenko , J. A. Vaitkus , J. H. Cole

In this paper, we propose to study the influence of moisture on passive radiofrequency (RF) sensors associated with poly (3,4-ethylenedioxythiophene) polystyrene sulfonate - multi walled carbon nanotubes (PEDOT:PSS-MWCNT) as a sensitive…

Instrumentation and Detectors · Physics 2025-12-02 Julien George , Hamida Hallil , Corinne Dejous , Eric Cloutet , Aurélien Perigaud , Stéphane Bila , Dominique Baillargeat

The ability to detect and discriminate DNA bases by reading it directly using simple and cost-effective methods is an important problem whose solution can produce significant value for areas such as cancer and human genetic disorders.…

Mesoscale and Nanoscale Physics · Physics 2021-12-02 Mukesh Tumbapo , Matthew B. Henry , Sanjiv K. Jha , Benjamin O. Tayo

Sensitive biomarker detection in physiological fluids is often limited by Debye screening, which suppresses electrostatic signals at sensor surfaces. Here we report a sensing approach based on flexoelectric resonance in silicon nanowire…

Materials Science · Physics 2026-05-01 Ang Liu , Jingsong Shang , Jiangang J. Du , Shyamsunder Erramilli , Pritiraj Mohanty

Dynamic models of occupancy patterns have shown to be effective in optimizing building-systems operations. Previous research has relied on CO$_2$ sensors and vision-based techniques to determine occupancy patterns. Vision-based techniques…

Machine Learning · Computer Science 2022-03-10 Mahsa Pahlavikhah Varnosfaderani , Arsalan Heydarian , Farrokh Jazizadeh

We have demonstrated selective gas sensing with molybdenum disulfide (MoS2) thin films transistors capped with a thin layer of hexagonal boron nitride (h-BN). The resistance change was used as a sensing parameter to detect chemical vapors…

Mesoscale and Nanoscale Physics · Physics 2023-07-19 G. Liu , S. L. Rumyantsev , C. Jiang , M. S. Shur , A. A. Balandin

This review provides a critical overview of current developments on nanoelectronic biochemical sensors based on graphene. Composed of a single layer of conjugated carbon atoms, graphene has outstanding high carrier mobility and low…

Materials Science · Physics 2020-12-14 Xiaoyan Zhang , Qiushi Jing , Shen Ao , Grégory F. Schneider , Dmitry Kireev , Zhengjun Zhang , Wangyang Fu

The electronic structure, specific heat, and thermal conductivity of silicon embedded in a monolayer graphene nanosheet are studied using Density Functional Theory. Two different shapes of the substitutional Si doping in the graphene are…

Mesoscale and Nanoscale Physics · Physics 2019-10-29 Hunar Omar Rashid , Nzar Rauf Abdullah , Vidar Gudmundsson

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

Volatile methyl siloxanes (VMSs), widely present in consumer and industrial products, have attracted increasing concerns due to their persistence, bioaccumulation behavior, and adverse health effects. Beyond their environmental…

Chemical Physics · Physics 2026-04-23 Heng Liu , Bingxin Yang , Yiming Lu , Yuan Wang , Xue Jia , Long Luo , Hao Li

The photoacoustic method with piezoelectric detection for the simultaneous evaluation of the thermophysical properties is proposed. The approach is based on the settling of an additional heat sink for redistribution of heat fluxes deposited…

Mesoscale and Nanoscale Physics · Physics 2020-12-03 K. Dubyk , T. Nychyporuk , V. Lysenko , K. Termentzidis , G. Castanet , F. Lemoine , D. Lacroix , Mykola Isaiev

Silicon-based two-dimensional (2D) materials, including well-known silicene, have garnered considerable attention due to their potential in advanced electronic and optoelectronic applications. Here, we introduce a novel 2D silicon variant,…

Materials Science · Physics 2023-11-02 K. A. L. Lima , L. A. Ribeiro

Kapton HN films, adopted worldwide due to their superior thermal durability (up to 400 {\deg}C), allow the high temperature sintering of nanoparticle based metal inks. By carefully selecting inks and Kapton substrates, outstanding thermal…

We have investigated the impact of toxic N2O gas upon structural and electronic properties of 2D MoSe2 monolayer using DFT approach. In this work, as a result of N2O gas absorption, charge transfer, band gap and density of states (DOS) are…

Materials Science · Physics 2020-08-18 N. Mishra , Bramha P. Pandey

Graphene is a purely two-dimensional material that has extremely favorable chemical sensor properties. It is known, however, that conventional nanolithographic processing typically leaves a resist residue on the graphene surface, whose…

Materials Science · Physics 2009-04-08 Yaping Dan , Ye Lu , Nicholas J. Kybert , A. T. Charlie Johnson

A method to engineer the refractive indices of functional materials (TiO2, ZnO, SnO2, SiO2), by nanostructuring in the deep sub-wavelength regime (<20nm), is presented. Block-copolymer templating combined with a wet processing route is used…

Mesoscale and Nanoscale Physics · Physics 2015-05-01 Zsolt Poole , Aidong Yan , Paul Ohodnicki , Kevin Chen

This study presents Shear Horizontal Surface Acoustic Wave (SH-SAW) sensor based on ink-jet printed poly (3,4-ethylenedioxythiophene) polystyrene sulfonate -- multi wall carbon nanotubes (PEDOT:PSS-MWCNTs) and MWNTs-based inks as sensitive…

Instrumentation and Detectors · Physics 2018-03-02 H. Hallil , Q. Zhang , E. Flahaut , K Pieper , L Olçomendy , P Coquet , C Dejous , D Rebière