English
Related papers

Related papers: Highly Sensitive Gas Sensors Based on Silicene Nan…

200 papers

Nanomaterials are prone to influence by chemical adsorption because of their large surface to volume ratios. This enables sensitive detection of adsorbed chemical species which, in turn, can tune the property of the host material. Recent…

Materials Science · Physics 2015-06-18 Liangzhi Kou , Aijun Du , Changfeng Chen , Thomas Frauenheim

Gas monitoring systems based on side-polished optical fibers (SPFs) coated with functional nanomaterials are gaining growing attention for their diverse applications. The response of these sensors is commonly interpreted in terms of…

Sensing response of individual single-crystal titania nanowires configured as chemiresistors for detecting reducing (CO, H2) and oxidizing (O2) gases is shown to be sensitive to visible light illumination. It is assumed that doping of the…

Mesoscale and Nanoscale Physics · Physics 2015-01-09 Jie Zhang , Evgheni Strelcov , Andrei Kolmakov

Molecules dominate the cooling function of neutral metal-poor gas at high density. Observation of molecules at high redshift is thus an important tool toward understanding the physical conditions prevailing in collapsing gas. Up to now,…

Astrophysics · Physics 2007-05-23 Patrick Petitjean

This work focuses on the application related to the detection of low moisture and environmental pollutants. A novel gas sensor with inkjet printed Double Walled Carbon Nano Tubes (DWNTs) on a Love wave sensor platform was developed for…

Instrumentation and Detectors · Physics 2018-03-02 H. Hallil , Q. Zhang , E. Flahaut , J Lachaud , P. Coquet , C. Dejous , D. Rebière

Using periodic DFT, we examined the adsorption of NO2, NH3, and O3 on the h-BN side of a graphene/h-BN heterostructure designed as a model gas sensor material. The h-BN overlayer serves both as an active adsorption surface and as protection…

Materials Science · Physics 2026-03-17 Martin Siebel , Pavel Rubin , Raivo Jaaniso

We present a comprehensive first-principles investigation into the gas sensing capabilities of a novel two-dimensional Indium Oxide (In2O3) monolayer, using density functional theory (DFT) calculations. Targeting both resistive-type and…

Materials Science · Physics 2025-09-08 Afreen Anamul Haque , Suraj G. Dhongade , Aniket Singha

Magnetic properties of quasi one-dimensional vanadium-benzene nanowires (VBNW) are investigated theoretically with the absorption of gas molecules-NO and NO2. With the increase adsorption of NO on VBNW, the phase transition from half metal…

Materials Science · Physics 2017-07-25 Min Wang , Yan Zhou , Sui Kong Hark , Xi Zhu

In this study, we employ a computational chemistry-based modeling approach to investigate the adsorption mechanisms of CH$_4$ and CO$_2$ on monolayer GPNL, with a specific focus on their effects on optical adsorption and electrical…

Computational Physics · Physics 2025-02-19 A. Aligayev , F. J. Dominguez-Gutierrez , M. Chourashiya , S. Papanikolaou , Q. Huang

In order to study the novel gas detection or sensing applications of gallium nitride monolayer (GaN-ML), we mainly focused on the structural, energetic, electronic and magnetic properties of toxic gas molecules (CO, NO) adsorbed on…

Materials Science · Physics 2023-06-06 Han-Fei Li , Si-Qi Li , Guo-Xiang Chen

Through systematic experimental and theoretical studies of layer-thickness-dependent absorption in semiconducting MoSe$_2$ and WS$_2$ across the visible to near-infrared spectral range, we demonstrate a universal absorption behavior in…

Mesoscale and Nanoscale Physics · Physics 2025-10-27 Bhumika Chauhan , Nikhil Singh , Subhrajit Dalai , Abhisek Saidarsan , Sayantan Patra , Sourabh Jain , Aparna Deshpande , Ashish Arora

Silicon nanoribbons (SiNRs), characterized by a pentagonal structure composed of silicon atoms, host one-dimensional (1D) Dirac Fermions and serve as a minimalist atomic template for adsorbing various heteroatoms. Alkali-metal (AM) atoms,…

Mesoscale and Nanoscale Physics · Physics 2026-02-09 Tongtong Chen , Wenjia Zhang , Xiaobei Wan , Xiaohan Zhang , Yashi Yin , Jinghao Qin , Fengxian Ma , Juntao Song , Ying Liu , Wen-Xiao Wang

The adsorption of gas molecules (CO, NH$_3$, CO$_2$ ) on Polyaniline Emeraldine salt has been performed to study gas sensing. Density functional theory (DFT) and time dependent density functional theory (TD-DFT) calculations have been…

Chemical Physics · Physics 2021-05-24 N. Hadian Jazi , I. Abdolhosseini Sarsari , N. Zare Dehnavi

The atomically-precise controlled synthesis of graphene stripes embedded in hexagonal boron nitride opens up new possibilities for the construction of nanodevices with applications in sensing. Here, we explore properties related to…

Materials Science · Physics 2017-08-21 Fabio A. L. de Souza , Wanderla L. Scopel , Rodrigo G. Amorim , Ralph H. Scheicher

In this study, the effect of Sr- and Ni-doping on microstructural, morphological and sensing properties of ZnO nanorods has been investigated. Nanorods with different Sr and Ni loadings were prepared using a simple wet chemical method and…

Materials Science · Physics 2017-09-01 Parasharam M. Shirage , Amit Kumar Rana , Yogendra Kumar , Somaditya Sen , S. G. Leonardi , G. Neri

Niobium disulfide (NbS2), a two-dimensional transition metal dichalcogenide with semi metallic conductivity and high surface activity, offers promising properties for electronic and sensing applications. In this study, we report a…

Materials Science · Physics 2025-07-17 P K Shihabudeen , Alex Sam , Shih-Wen Chiu , Ta-Jen Yen , Kea-Tiong Tang

Gas sensors built using two-dimensional (2D) MoS2 have conventionally relied on a change in field-effect-transistor (FET) channel resistance or a change in Schottky contact/pn homojunction barrier. This report demonstrates, for the first…

Applied Physics · Physics 2020-09-25 Sushovan Dhara , Himani Jawa , Sayantan Ghosh , Abin Varghese , Saurabh Lodha

C$_3$N is a recently discovered 2D layered material structurally similar to graphene, which has demonstrated immense prospect for future nanoelectronics. In this work, we have designed and investigated the operation and performance of a…

Mesoscale and Nanoscale Physics · Physics 2019-07-09 S. Rani , S. J. Ray

Surface Acoustic Wave gas sensors have garnered increasing attention as highly sensitive, miniaturized, and wireless compatible platforms for molecular detection. Their unique ability to convert surface perturbations into measurable…

Photodetectors based on nano-structured superconducting thin films are currently some of the most sensitive quantum sensors and are key enabling technologies in such broad areas as quantum information, quantum computation and…