Themed collection Nanoscale and Nanoscale Horizons: Nanodevices

35 items
Minireview

Flexible two-dimensional MXene-based antennas

This minireview summarizes the recent cutting-edge works of 2D MXene-based flexible antennas, discusses the existing bottlenecks, and provides some guidelines for the future development of this promising field.

Graphical abstract: Flexible two-dimensional MXene-based antennas
From the themed collection: Recent Review Articles
Review Article

Progress in the design of portable colorimetric chemical sensing devices

Developement of portable colorimetric devices for detection of heavy metals, anions, biomolecules, pesticides, drugs, and other substances is vital across clinical, environmental, and food safety domains.

Graphical abstract: Progress in the design of portable colorimetric chemical sensing devices
Review Article

Memristor-based neural networks: a bridge from device to artificial intelligence

This paper reviews the research progress in memristor-based neural networks and puts forward future development trends.

Graphical abstract: Memristor-based neural networks: a bridge from device to artificial intelligence
From the themed collection: Recent Review Articles
Review Article

In vivo applications of micro/nanorobots

This review discusses the current status of micro/nanorobotic applications by focusing on preclinical studies conducted with animal models.

Graphical abstract: In vivo applications of micro/nanorobots
From the themed collection: Micro- and nano-motors
Review Article

Mercury chalcogenide colloidal quantum dots for infrared photodetection: from synthesis to device applications

A comprehensive review on Hg chalcogenide colloidal quantum dot infrared photodetectors, with the essential progress of synthesis methods, property control, device engineering, focus plane array integration and innovative applications.

Graphical abstract: Mercury chalcogenide colloidal quantum dots for infrared photodetection: from synthesis to device applications
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Open Access Communication

Chronic full-band recordings with graphene microtransistors as neural interfaces for discrimination of brain states

Graphene-based transistors (gSGFETs) enabled stable full-band brain recordings for 5+ months, allowing precise brain state identification and prediction, which is critical both in brain science and neurology.

Graphical abstract: Chronic full-band recordings with graphene microtransistors as neural interfaces for discrimination of brain states
From the themed collection: Graphene and 2D Materials in Healthcare
Communication

Insights into synaptic functionality and resistive switching in lead iodide flexible memristor devices

Neuromorphic platforms are gaining popularity due to their superior efficiency, low power consumption, and adaptable parallel signal processing capabilities, overcoming the limitations of traditional von Neumann architecture.

Graphical abstract: Insights into synaptic functionality and resistive switching in lead iodide flexible memristor devices
From the themed collection: Memristors and Neuromorphic Systems
Open Access Communication

Electrochemical rewiring through quantum conductance effects in single metallic memristive nanowires

In this work, Milano et al. reported on quantum conductance effects in memristive nanowires, unveiling the origin of deviations of conductance levels from integer multiples of the conductance quantum and analyzing conductance fluctuations over time of memristive devices.

Graphical abstract: Electrochemical rewiring through quantum conductance effects in single metallic memristive nanowires
From the themed collection: Memristors and Neuromorphic Systems
Open Access Communication

Phenethylammonium bromide interlayer for high-performance red quantum-dot light emitting diodes

Phenethylammonium bromide as an interlayer showed great potential to reduce trap states, balance charge carrier injection, and thus maximize the electroluminescent efficiency of quantum-dot LED.

Graphical abstract: Phenethylammonium bromide interlayer for high-performance red quantum-dot light emitting diodes
Communication

Microelectromechanical system for in situ quantitative testing of tension–compression asymmetry in nanostructures

A novel on-chip microelectromechanical system (MEMS) is used for in situ quantitative testing of asymmetric mechanical properties of nanostructures, with potential applications in nanotechnology research.

Graphical abstract: Microelectromechanical system for in situ quantitative testing of tension–compression asymmetry in nanostructures
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Communication

Linear conductance update improvement of CMOS-compatible second-order memristors for fast and energy-efficient training of a neural network using a memristor crossbar array

The linear conductance update of a CMOS-compatible HfO2 memristor is improved by introducing a second-order memristor effect and connecting a voltage divider to the device, which makes the memristor crossbar array more energy- and time-efficient.

Graphical abstract: Linear conductance update improvement of CMOS-compatible second-order memristors for fast and energy-efficient training of a neural network using a memristor crossbar array
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Communication

Protein redox by a piezoelectric acousto-nanodevice

We present a novel acousto-nanodevice as redox agents triggered by ultrasound. With a piezoelectric nanoparticle with a half-gold surface, it induces protein oxidation via unidirectional electron transfer due to alternating electric polarization.

Graphical abstract: Protein redox by a piezoelectric acousto-nanodevice
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Communication

Two dimensional NbSe2/Nb2O5 metal–semiconductor heterostructure-based photoelectrochemical photodetector with fast response and high flexibility

Two dimensional (2D) metal–semiconductor heterostructures are promising for high-performance optoelectronic devices due to fast carrier separation and transportation.

Graphical abstract: Two dimensional NbSe2/Nb2O5 metal–semiconductor heterostructure-based photoelectrochemical photodetector with fast response and high flexibility
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Open Access Communication

A light-operated integrated DNA walker–origami system beyond bridge burning

Integrating rationally designed DNA molecular walkers and DNA origami platforms is a promising route towards advanced nano-robotics of diverse functions.

Graphical abstract: A light-operated integrated DNA walker–origami system beyond bridge burning
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Communication

Transverse magnetoconductance in two-terminal chiral spin-selective devices

In the transverse CISS measurement geometry, the magnetization is normal to the current. Transverse spin polarization has been found, even in the absence of electromagnetochiral effects. The CISS signal also satisfies Onsager's reciprocity.

Graphical abstract: Transverse magnetoconductance in two-terminal chiral spin-selective devices
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Communication

Microbatteries with twin-Swiss-rolls redefine performance limits in the sub-square millimeter range

Twin Swiss-roll microelectrodes are built up on a chip delivering a high energy density of 458 μW h cm−2, which redefines the performance limit in the sub-0.1 square millimeter range.

Graphical abstract: Microbatteries with twin-Swiss-rolls redefine performance limits in the sub-square millimeter range
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Paper

Effects of thermal annealing on analog resistive switching behavior in bilayer HfO2/ZnO synaptic devices: the role of ZnO grain boundaries

Schematic illustration of the transition mechanism during the conductive filamentary formation in bilayer HfO2/ZnO synaptic devices (a) without and (b) with thermal annealing.

Graphical abstract: Effects of thermal annealing on analog resistive switching behavior in bilayer HfO2/ZnO synaptic devices: the role of ZnO grain boundaries
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Open Access Paper

Direct observation of carbon slurry flow behavior and its effect on electrochemical performance in a microfluidic electrochemical flow capacitor

A transparent microfluidic electrochemical flow capacitor platform allows for probing the hydrodynamic effects on the electrochemical performance of flowable electrodes.

Graphical abstract: Direct observation of carbon slurry flow behavior and its effect on electrochemical performance in a microfluidic electrochemical flow capacitor
Paper

Magnetic-ferroelectric synergic control of multilevel conducting states in van der Waals multiferroic tunnel junctions towards in-memory computing

Multilevel nonvolatile storage and in-memory computing can be achieved simultaneously in one unit of the TiTe2/Mn2Se3/bilayer-In2S3/Mn2Se3/TiTe2 multiferroic tunnel junction.

Graphical abstract: Magnetic-ferroelectric synergic control of multilevel conducting states in van der Waals multiferroic tunnel junctions towards in-memory computing
From the themed collection: Nanoscale 2024 Emerging Investigators
Open Access Paper

Steerable acoustically powered starfish-inspired microrobot

We introduce a soft acousto-magnetic microrobot leveraging acoustic streaming for propulsion and mixing. The manipulation strategy exploits the distinct advantages of each applied field, precise magnetic orientation, and powerful acoustic propulsion.

Graphical abstract: Steerable acoustically powered starfish-inspired microrobot
From the themed collection: Micro- and nano-motors
Paper

A new triboelectric nanogenerator based on a multi-material stacking structure achieves efficient power conversion from discrete mechanical movement

A PFP-TENG based on a three-tribo-layer structure is proposed. It combines the advantages of elastic and inelastic triboelectric materials, which result in a high power density of 145.3 W m−3 and the ability to drive more than 1400 LEDs.

Graphical abstract: A new triboelectric nanogenerator based on a multi-material stacking structure achieves efficient power conversion from discrete mechanical movement
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Paper

TMDC ternary alloy–based triboelectric nanogenerators with giant photo-induced enhancement

The photosensitive triboelectric nanogenerator exhibits an outstanding photoresponsivity (45.5 V mW−1) and enhanced energy harvesting ability under visible light illumination, and this wearable TENG is promising for smart device technology.

Graphical abstract: TMDC ternary alloy–based triboelectric nanogenerators with giant photo-induced enhancement
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Paper

Moving dynamics of a nanorobot with three DNA legs on nanopore-based tracks

Powered by charge gradient along the nanopore distribution, the nanorobot with three DNA legs can autonomously walk on nanopore-based track.

Graphical abstract: Moving dynamics of a nanorobot with three DNA legs on nanopore-based tracks
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Paper

Nanopore actuation of a DNA-tracked nanovehicle

We theoretically designed a DNA-tracked nanovehicle and investigated its working and turning movements by controlling the nanopore charge density.

Graphical abstract: Nanopore actuation of a DNA-tracked nanovehicle
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Paper

Highly stretchable hydroxyapatite bionanocomposite for high-performance triboelectric nanogenerators

Here, we present a highly stretchable hydroxyapatite bionanocomposite for use in triboelectric nanogenerators with excellent performance output.

Graphical abstract: Highly stretchable hydroxyapatite bionanocomposite for high-performance triboelectric nanogenerators
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Paper

Experimental observation of the role of countercations in modulating the electrical conductance of Preyssler-type polyoxometalate nanodevices

We highlight the key role of counterions in modulating the conductance of the molecular junctions of polyoxometalate monolayers self-assembled on flat gold electrodes, connected by the tip of a conductive atomic force microscope.

Graphical abstract: Experimental observation of the role of countercations in modulating the electrical conductance of Preyssler-type polyoxometalate nanodevices
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Open Access Paper

Exploring the intra-4f and the bright white light upconversion emissions of Gd2O3:Yb3+,Er3+-based materials for thermometry

Upconversion broadband white light emission driven by low-power near-infrared lasers has been reported for many materials, but the mechanisms and effects related to this phenomenon remain unclear.

Graphical abstract: Exploring the intra-4f and the bright white light upconversion emissions of Gd2O3:Yb3+,Er3+-based materials for thermometry
Open Access Paper

Nanoscale temperature sensing of electronic devices with calibrated scanning thermal microscopy

Nanoscale thermal sensing of devices with calibrated scanning thermal microscopy. The calibration allows converting the electrical response of thermo-resistive probes into temperature and considers variable probe-sample thermal exchange processes.

Graphical abstract: Nanoscale temperature sensing of electronic devices with calibrated scanning thermal microscopy
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Paper

A curtain purification system based on a rabbit fur-based rotating triboelectric nanogenerator for efficient photocatalytic degradation of volatile organic compounds

Efficient removal of air pollution caused by volatile organic compounds (VOCs) and particulate matter (PM) through distributed energy collected from the environment is an effective strategy to achieve both energy conservation and better air quality.

Graphical abstract: A curtain purification system based on a rabbit fur-based rotating triboelectric nanogenerator for efficient photocatalytic degradation of volatile organic compounds
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Paper

A flexible and stretchable triboelectric nanogenerator based on a medical conductive hydrogel for biomechanical energy harvesting and electronic switches

A flexible and stretchable single-electrode triboelectric nanogenerator based on a medical conductive hydrogel has been fabricated for biomechanical energy harvesting and electronic switches.

Graphical abstract: A flexible and stretchable triboelectric nanogenerator based on a medical conductive hydrogel for biomechanical energy harvesting and electronic switches
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Open Access Paper

On the switching mechanism and optimisation of ion irradiation enabled 2D MoS2 memristors

Kinetic Monte Carlo simulations reveals non-filamentary switching in 2D planar memristors, and provides optimization strategies for variability, resistance ratio, and scalability.

Graphical abstract: On the switching mechanism and optimisation of ion irradiation enabled 2D MoS2 memristors
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Paper

Point-of-care (POC) SARS-CoV-2 antigen detection using functionalized aerosol jet-printed organic electrochemical transistors (OECTs)

The continuous spread of coronavirus disease 2019 (COVID-19) has highlighted the need for simple and reliable diagnostic technologies for point-of-care (POC) virus detection applications.

Graphical abstract: Point-of-care (POC) SARS-CoV-2 antigen detection using functionalized aerosol jet-printed organic electrochemical transistors (OECTs)
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Paper

Room-temperature spin-valve devices based on Fe3GaTe2/MoS2/Fe3GaTe2 2D van der Waals heterojunctions

A room-temperature spin-valve effect was observed in Fe3GaTe2/MoS2/Fe3GaTe2 2D van der Waals (vdW) heterojunction devices.

Graphical abstract: Room-temperature spin-valve devices based on Fe3GaTe2/MoS2/Fe3GaTe2 2D van der Waals heterojunctions
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Paper

Combining negative photoconductivity and resistive switching towards in-memory logic operations

We demonstrate that a material exhibiting a negative photoconductivity and resistive switching can manifest in-memory OR logic gate operations. We have considered devices based on silver-bismuth-iodide rudorffites for this function.

Graphical abstract: Combining negative photoconductivity and resistive switching towards in-memory logic operations
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
Paper

Fractal structured charge-excitation triboelectric nanogenerators for powering portable electronic devices

A fractal switched-capacitor-converter combined with a TENG can greatly improve the output charge/current without reverse starting. The TENG can be integrated with a yoga mat for harvesting human-body motion energy to power portable electronics.

Graphical abstract: Fractal structured charge-excitation triboelectric nanogenerators for powering portable electronic devices
From the themed collection: Nanoscale and Nanoscale Horizons: Nanodevices
35 items

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This online collection from Nanoscale and Nanoscale Horizons showcases some of the recent nanodevice papers published in the journals.

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