OOIR: Observatory of International Research

Papers

(The H4-Index of Sensors and Actuators A-Physical is 43. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-11-01 to 2024-11-01.)

Article	Citations
Flexible temperature sensors: A review	184
Nanostructured metal oxide semiconductor-based gas sensors: A comprehensive review	160
Research progress of flexible capacitive pressure sensor for sensitivity enhancement approaches	148
The recent development of metal oxide heterostructures based gas sensor, their future opportunities and challenges: A review	133
Gas and humidity sensing with quartz crystal microbalance (QCM) coated with graphene-based materials – A mini review	113
A review on vibration-based piezoelectric energy harvesting from the aspect of compliant mechanisms	105
Research progress of flexible wearable pressure sensors	94
A review on fabrication, characterization and implementation of wearable strain sensors	93
A review on all-optical fiber-based VOC sensors: Heading towards the development of promising technology	83
Polypyrrole-based sensors for volatile organic compounds (VOCs) sensing and capturing: A comprehensive review	82
Sensing system of environmental perception technologies for driverless vehicle: A review of state of the art and challenges	80
Recent progress on fabrication of carbon nanotube-based flexible conductive networks for resistive-type strain sensors	77
Ultrafast response humidity sensors based on polyvinyl chloride/graphene oxide nanocomposites for intelligent food packaging	75
4D printing soft robots guided by machine learning and finite element models	74
Synthesis, electrical and photo-sensing characteristics of the Al/(PCBM/NiO: ZnO)/p-Si nanocomposite structures	73
A review of visible and near-infrared (Vis-NIR) spectroscopy application in plant stress detection	73
Different sensor based intelligent spraying systems in Agriculture	72
4D printing: Technological developments in robotics applications	72
Highly responsive and low-cost ultraviolet sensor based on ZnS/p-Si heterojunction grown by chemical bath deposition	65
A robust and self-powered tilt sensor based on annular liquid-solid interfacing triboelectric nanogenerator for ship attitude sensing	63
Resistive and capacitive strain sensors based on customized compliant electrode: Comparison and their wearable applications	60
Biogenic synthesis of silver nanoparticles using Trigonella foenum-graecum seed extract: Characterization, photocatalytic and antibacterial activities	60
Insight into metallic oxide semiconductor (SnO2, ZnO, CuO, α-Fe2O3, WO3)-carbon nitride (g-C3N4) heterojunction for gas sensing application	58
Recent progress on screen-printed flexible sensors for human health monitoring	55
Investigation of transient magnetoelectric response of magnetostrictive/piezoelectric composite applicable for lightning current sensing	55

Piezoresistive sensor fiber composites based on silicone elastomers for the monitoring of the position of a robot arm	54
A review of peristaltic micropumps	53
Colossal photosensitive boost in Schottky diode behaviour with Ce-V2O5 interfaced layer of MIS structure	53
Visual sensing technologies in robotic welding: Recent research developments and future interests	53
Bidirectional electrohydrodynamic pump with high symmetrical performance and its application to a tube actuator	52
Hydrophones, fundamental features, design considerations, and various structures: A review	50
Self-powered solar-blind ZnGa2O4 UV photodetector with ultra-fast response speed	50
Preparation of high-performance MXene/PVA-based flexible pressure sensors with adjustable sensitivity and sensing range	50
Advancements of uncooled infrared microbolometer materials: A review	49
Flexible and breathable strain sensor with high performance based on MXene/nylon fabric network	49
Recent design and development of piezoelectric-actuated compliant microgrippers: A review	49
SnO2/ZnO/p-Si and SnO2/TiO2/p-Si heterojunction UV photodiodes prepared using a hydrothermal method	47
Flexible piezoresistive three-dimensional force sensor based on interlocked structures	47
Soft robotic fabric gripper with gecko adhesion and variable stiffness	46
Highly sensitive and wearable bionic piezoelectric sensor for human respiratory monitoring	45
Shape memory alloy based 3D printed composite actuators with variable stiffness and large reversible deformation	44
The potential of acoustic wave devices for gas sensing applications	44
Polyaniline-coated cotton knitted fabric for body motion monitoring	44
Transient photodetection studies on 2D ZnO nanostructures prepared by simple organic-solvent assisted route	43
Die attachment, wire bonding, and encapsulation process in LED packaging: A review	43
Flexible capacitive pressure sensors using microdome like structured polydimethylsiloxane dielectric layers	43