Arsenic Phosphorus Monolayer: A Promising Candidate for H<sub>2</sub>S Sensor and NO Degradation With High Sensitivity and Selectivity

Zhang, Yingying; Tan, Chunjian; Yang, Qun; Chen, Xianping

doi:10.1109/led.2017.2731367

Cited by 26 publications

(8 citation statements)

References 23 publications

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“…Except these 2D layered materials as reviewed above, there are also numerous suitable candidates for gas sensing application. For example, Al‐dopant and defective boron nitride sheet were shown to be promising for CO detection (Zhang et al, ), monolayer Cu 2 Si as a potential gas sensor for NO x and CO x ( x = 1, 2) (Zhu et al, ), arsenic phosphorus monolayer for H 2 S Sensor (Zhang et al, ), monolayer ZnS as a promising candidate for NH 3 Sensor (Xu et al, ), GaS, InN, and InSe monolayers for selective small gas detection (Liu et al, ; Ma, Ju, Tang, & Chen, ; Sun et al, ). Moreover, monolayer metal oxides are also gas sensing candidates.…”

Section: Two‐dimensional Layered Materials For Gas Sensingmentioning

confidence: 99%

Gas sensing and capturing based on two‐dimensional layered materials: Overview from theoretical perspective

Tang

Kou

2018

WIREs Comput Mol Sci

130

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Toxic gas detection and capture are two important topics, which are highly related with human health and environments. Recently, theoretical simulations based on first‐principles calculations have suggested two‐dimensional (2D) materials to be as ideal candidates for gas sensing and capturing due to the large surface–volume ratio and reactive surface. Starting from graphene, which was firstly proposed for 2D gas sensing, the family currently has been extended to transition metal dichalcogenides, phosphorene, silicene, germanene, MXene, and so on. In this review, we give a comprehensive overview of recent progress in computational investigations of 2D gas sensing/capture materials. We then offer perspectives on possible directions for further fundamental exploration of gas sensor and caption based on 2D materials, which are expected to offer tremendous new opportunities for future research and development. This article is categorized under: Structure and Mechanism > Computational Materials Science

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Section: Two‐dimensional Layered Materials For Gas Sensingmentioning

confidence: 99%

Gas sensing and capturing based on two‐dimensional layered materials: Overview from theoretical perspective

Tang

Kou

2018

WIREs Comput Mol Sci

130

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“…For the transport calculations, we employed the non-equilibrium Greens functions (NEGF) [13,14,15] formalism by utilizing non-orthogonal localized double−ζ basis sets, while core electrons were treated by norm-conserving pseudopotentials. In our NEGF-DFT calculations [16,17,18,19], the density mesh cutoff was set to 200 Ry and the k-point sampling grid was chosen as 1×1×400.…”

Section: Methodsmentioning

confidence: 99%

Charge transport behavior of 1D gold chiral nanojunctions

Roy

Sen

2018

Applied Surface Science

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Understanding the process of electron tunneling in chirality-induced singlemolecule junctions is imperative for the development of nanoscale switching and artificial nanomotors. Based on the combined non-equilibrium Greens functions formalism and the ground-state density functional theory, we present here the charge transport behavior of chiral gold (7,3) nanowires (NWs) in comparison with various other chiral and achiral 1D gold nanostructures as the principal leads to form stable single-molecule junctions. For σ-saturated alkane chains, we find that the contact potential barriers vary widely with the achiral leads but not with the chiral ones, although a close resemblance exists in the tunneling constants. Lower energy gaps for single-molecule junctions with Au(7,3)NWs ensure better electronic conductance even after allowing for the low thermal loss, due mainly to the close-packed arrangements of atoms with minimum wire tension. Our f irst − principles quantum transport analysis further suggests that chiral Au(7,3)NWs render higher electronic conductance than chiral gold (5,3) nanotubes (NTs), once bridged by either σ-saturated or π-conjugated molecular moieties. It, however, turns out that asymmetricity in the characteristics of channel formation at the lead-molecule contact remains often associated with chiral Au(7,3)NWs only.Recent years have seen a sizeable amount of study on one-dimensional (1D) nanostructures in the form of nanotubes (NTs) and nanowires (NWs), primarily because of their potential applications in nanodevice technology [1,2,3,4,5,6,7,8,9,10]. Among these, chiral nanostructures continue to garner interest due especially to their characteristic helicity that often displays the ability to control the physical properties in somewhat more flexible way. From conformational point of view, achiral nanostructures possess mirror planes while chiral nanostructures display no mirror symmetry but have glide planes. Magnetoelectronic properties are often found to be quite sensitive to chirality [1], apart from the band-related differences like band symmetry and band spacing between chiral and achiral carbon nanotubes (CNTs). Further, the impurity concentration and curvature effect turn out to be much stronger in chiral CNTs than in achiral ones[2].Although a major focus has remained for quite some time on developing CNT based field effect transistors (CNT-FETs) in a robust way, metallic nanotubes and nanowires have also received much attention [4,5,6,7,8,9] in the process.The underlying lattice for a gold nanotube is a 2D triangular network with one atom per unit cell, in contrast to a CNT that has a hexagonal framework.Another important difference is that gold nanotubes, unlike CNTs, always display metalicity due to its unique electronic nature. Using a tight-binding spiral model, Yevtushenko et al [9] have demonstrated that electronic transport may get affected considerably by the interplay between chirality and nonlinearity in a chiral CNT. However, the works by Manrique et al [10] reveal that like in...

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“…The real‐time detection of carbonous (CO [ 856 ] and CO 2 [ 857 ] ), sulfurous (H 2 S [ 858 ] and SO x [ 859 ] ), and nitrogenous (NH 3 , [ 138,859 ] NO 2 , [ 46 ] NO, [ 47 ] N 2 O, [ 860 ] etc.) gases are important for human health monitoring.…”

Section: D Materials‐based Wearable Sensors For Human Health Applicationsmentioning

confidence: 99%

Scalably Nanomanufactured Atomically Thin Materials‐Based Wearable Health Sensors

Zhang

Jiang

2021

Small Structures

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Wearable multimodal sensors could enable the continuous, non‐invasive, precise monitoring of vital human signals critical for remote health monitoring and telemedicine. Atomically thin materials with intriguing physical characteristics, rich chemistry, and extreme sensitivity to external stimuli are attractive for implementing high‐performance wearable sensors. Despite the increased interest and efforts in 2D materials‐based wearable sensors, reducing the manufacturing and integration costs while improving the product performance remains challenging. Previous review articles provided good coverage discussing the material and device aspects of 2D materials‐based wearable devices. However, few reviews discussed the status quo, prospects, and opportunities for the scalable nanomanufacturing of 2D materials wearable sensors for health monitoring. To fill this gap, the recent advances in 2D materials‐based wearable health sensors are reviewed. The structure design, fabrication processing, the mechanisms of 2D materials‐based wearable health sensors, and their applications for human health monitoring are discussed. More significantly, a systematic discussion of the state‐of‐the‐art and technological gaps for enabling future design and nanomanufacturing of 2D materials wearable health sensors are provided. Finally, the challenges and opportunities associated with the scalable nanomanufacturing of 2D wearable health sensors are discussed.

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Arsenic Phosphorus Monolayer: A Promising Candidate for H₂S Sensor and NO Degradation With High Sensitivity and Selectivity

Cited by 26 publications

References 23 publications

Gas sensing and capturing based on two‐dimensional layered materials: Overview from theoretical perspective

Gas sensing and capturing based on two‐dimensional layered materials: Overview from theoretical perspective

Charge transport behavior of 1D gold chiral nanojunctions

Scalably Nanomanufactured Atomically Thin Materials‐Based Wearable Health Sensors

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Arsenic Phosphorus Monolayer: A Promising Candidate for H2S Sensor and NO Degradation With High Sensitivity and Selectivity

Cited by 26 publications

References 23 publications

Gas sensing and capturing based on two‐dimensional layered materials: Overview from theoretical perspective

Gas sensing and capturing based on two‐dimensional layered materials: Overview from theoretical perspective

Charge transport behavior of 1D gold chiral nanojunctions

Scalably Nanomanufactured Atomically Thin Materials‐Based Wearable Health Sensors

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Product

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Arsenic Phosphorus Monolayer: A Promising Candidate for H₂S Sensor and NO Degradation With High Sensitivity and Selectivity