Sulfuration–desulfuration reaction sensing effect of intrinsic ZnO nanowires for high-performance H2S detection

This study presents a novel sulfuration–desulfuration sensing effect of an intrinsic (i.e., uncatalyzed) ZnO nanowire array for trace-level detection of H2S. The novel H2S sensing mechanism is clarified by specifically designed experiments, material characterization and theoretical analysis.

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A Floatable Piezo-Photocatalytic Platform Based on Semi-Embedded ZnO Nanowire Array for High-Performance Water Decontamination

Nano-Micro Letters ◽

10.1007/s40820-019-0241-9 ◽

2019 ◽

Vol 11 (1) ◽

Cited By ~ 23

Author(s):

Yaozhong Zhang ◽

Xiaolu Huang ◽

Junghoon Yeom

Keyword(s):

High Performance ◽

Nanowire Array ◽

Zno Nanowire ◽

Water Decontamination

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Electroluminescence from ZnO nanowires in n-ZnO film/ZnO nanowire array/p-GaN film heterojunction light-emitting diodes

Applied Physics Letters ◽

10.1063/1.2204655 ◽

2006 ◽

Vol 88 (20) ◽

pp. 202105 ◽

Cited By ~ 162

Author(s):

Min-Chang Jeong ◽

Byeong-Yun Oh ◽

Moon-Ho Ham ◽

Jae-Min Myoung

Keyword(s):

Light Emitting Diodes ◽

Nanowire Array ◽

Zno Nanowires ◽

Zno Nanowire ◽

Zno Film ◽

Light Emitting ◽

Gan Film

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Hydrothermal synthesis of Co–ZnO nanowire array and its application as piezo-driven self-powered humidity sensor with high sensitivity and repeatability

RSC Advances ◽

10.1039/c5ra14786g ◽

2015 ◽

Vol 5 (102) ◽

pp. 84343-84349 ◽

Cited By ~ 19

Author(s):

Weili Zang ◽

Pan Li ◽

Yongming Fu ◽

Lili Xing ◽

Xinyu Xue

Keyword(s):

Active Sites ◽

High Performance ◽

Humidity Sensor ◽

Coupling Effect ◽

Nanowire Array ◽

High Sensitivity ◽

Zno Nanowire ◽

Doped Zno ◽

Self Powered ◽

Co Doped

Self-powered humidity sensor with high sensitivity and repeatability has been fabricated from Co-doped ZnO NW arrays. Such a high performance can be attributed to the piezo-surface coupling effect and more active sites introduced by the Co dopants.

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Ultraviolet photodetection of flexible ZnO nanowire sheets in polydimethylsiloxane polymer

Beilstein Journal of Nanotechnology ◽

10.3762/bjnano.3.41 ◽

2012 ◽

Vol 3 ◽

pp. 353-359 ◽

Cited By ~ 11

Author(s):

Jinzhang Liu ◽

Nunzio Motta ◽

Soonil Lee

Keyword(s):

Decay Time ◽

High Performance ◽

Response Speed ◽

Zno Nanowires ◽

Oxygen Atmosphere ◽

Zno Nanowire ◽

Uv Photodetector ◽

Permeable Polymer ◽

Pdms Coating

ZnO nanowires are normally exposed to an oxygen atmosphere to achieve high performance in UV photodetection. In this work we present results on a UV photodetector fabricated using a flexible ZnO nanowire sheet embedded in polydimethylsiloxane (PDMS), a gas-permeable polymer, showing reproducible UV photoresponse and enhanced photoconduction. PDMS coating results in a reduced response speed compared to that of a ZnO nanowire film in air. The rising speed is slightly reduced, while the decay time is prolonged by about a factor of four. We conclude that oxygen molecules diffusing in PDMS are responsible for the UV photoresponse.

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ZnO nanowire array growth on precisely controlled patterns of inkjet-printed zinc acetate at low-temperatures

Nanoscale ◽

10.1039/c6nr02962k ◽

2016 ◽

Vol 8 (22) ◽

pp. 11760-11765 ◽

Cited By ~ 18

Author(s):

Constantinos P. Tsangarides ◽

Hanbin Ma ◽

Arokia Nathan

Keyword(s):

Low Temperatures ◽

Zinc Acetate ◽

Zinc Acetate Dihydrate ◽

Nanowire Array ◽

Zno Nanowires ◽

Zno Nanowire ◽

Acetate Dihydrate ◽

Mild Conditions ◽

Printed Patterns

ZnO nanowires have been fabricated under mild conditions on inkjet-printed patterns of zinc acetate dihydrate and studied systematically in this paper.

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Polar and Nonpolar ZnO Nanowire QWs Grown with PLD Using Nanowire Arrays with Tuning Density as Physical Templates

Materials Science Forum ◽

10.4028/www.scientific.net/msf.688.207 ◽

2011 ◽

Vol 688 ◽

pp. 207-212

Author(s):

Bing Qiang Cao ◽

Hao Ming Wei ◽

Xi Lun Hu ◽

Hai Bo Gong

Keyword(s):

Quantum Wells ◽

Nanowire Array ◽

Zno Nanowires ◽

Nanowire Arrays ◽

Wetting Layer ◽

Zno Nanowire ◽

Light Emitters ◽

Density Control ◽

Shadowing Effect ◽

P Type

The encountered difficulties that prevent ZnO nanowires from being used as light-emitters are p-type doping and quantum well (QW) integration. The growth of homogenous nanowire quantum wells is usually influenced by the shadowing effect associated with nanowire growth density. In this paper, based on the growth density control of nanowire array, a new two-step pulsed laser deposition (PLD) strategy was demonstrated to grow two kinds of ZnO nanowire QWs, e.g. radial nonpolar QW and axial polar QW. The growth-density control of ZnO nanowires was realised by introducing a wetting layer and adjusting the substrate-target distances. The structural and optical characterizations of these two kinds of nanowire QWs prove that the radial nanowire QWs are more homogenous than axial QWs, which also show better optical properties.

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Pocket MUSE: an affordable, versatile and high-performance fluorescence microscope using a smartphone

Communications Biology ◽

10.1038/s42003-021-01860-5 ◽

2021 ◽

Vol 4 (1) ◽

Author(s):

Yehe Liu ◽

Andrew M. Rollins ◽

Richard M. Levenson ◽

Farzad Fereidouni ◽

Michael W. Jenkins

Keyword(s):

High Performance ◽

Point Of Care ◽

Low Cost ◽

Consumer Electronics ◽

Practical Implementation ◽

The Novel ◽

Point Of Care Diagnostics ◽

Optical Module ◽

Optical Configuration ◽

User Friendly

AbstractSmartphone microscopes can be useful tools for a broad range of imaging applications. This manuscript demonstrates the first practical implementation of Microscopy with Ultraviolet Surface Excitation (MUSE) in a compact smartphone microscope called Pocket MUSE, resulting in a remarkably effective design. Fabricated with parts from consumer electronics that are readily available at low cost, the small optical module attaches directly over the rear lens in a smartphone. It enables high-quality multichannel fluorescence microscopy with submicron resolution over a 10× equivalent field of view. In addition to the novel optical configuration, Pocket MUSE is compatible with a series of simple, portable, and user-friendly sample preparation strategies that can be directly implemented for various microscopy applications for point-of-care diagnostics, at-home health monitoring, plant biology, STEM education, environmental studies, etc.

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