Exploring PEDOT:PSS interaction with hazardous gas molecules in microwave regime using organic microwave resonators

Article Nanoscience & Nanotechnology

High-Frequency TiO2 Nanotube-Adapted Microwave Coplanar Waveguide Resonator for High-Sensitivity Ultraviolet Detection

Benjamin D. Wiltshire et al.

Summary: This work presents a passive gold coplanar waveguide split ring resonator integrated with anodic self-organized TiO2 nanotube membranes, which enables real-time UV detection with high sensitivity and noise mitigation.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Chemistry, Multidisciplinary

Pursuing High-Performance Organic Field-Effect Transistors through Organic Salt Doping

Dingyi Lu et al.

Summary: A new doping system using an organic salt p-dopant is reported to significantly improve the device performance of organic field-effect transistors (OFETs). The optimized doping ratios increase the hole mobility and reduce the threshold voltage, while also reducing contact resistance and activation energy. The study also explores the impact of doping ratios on trap density.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Applied

Flexible, robust, and high-performance gas sensors based on lignocellulosic nanofibrils

Nicolas R. Tanguy et al.

Summary: This study develops a composite sensing material based on lignocellulosic cellulose nanofibrils (LCNF) for manufacturing flexible and highly sensitive gas sensors. The nanopaper substrate has high mechanical strength and water-resistance, limiting the response to humidity. The proposed structure shows a 10-fold improvement in sensitivity to volatile amines while maintaining acceptable selectivity.

CARBOHYDRATE POLYMERS (2022)

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Article Engineering, Electrical & Electronic

Magnetically coupled planar microwave resonators for real-time saltwater ice detection

Katherine Luckasavitch et al.

Summary: This study compares electrically and magnetically coupled planar microwave resonators for saltwater ice detection applications, finding that the magnetically coupled sensor is sensitive to both RO ice and saltwater ice, while the electrically coupled sensor can only detect the presence of RO ice.

SENSORS AND ACTUATORS A-PHYSICAL (2022)

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Article Chemistry, Analytical

Microwave gas sensor for detection of ammonia at room-temperature

Ningyi Wang et al.

Summary: The innovative application of microwave transduction technology in gas sensors has led to the development of wireless passive room-temperature gas sensors integrated on wearable devices. The research utilized ultranarrowband microwave filter as a microwave transducer device and deposited SnO2/bionic porous carbon composites on the coupled line spacing blank surface. The results showed excellent NH3 sensing behavior at room temperature, including wide concentration range, fast response and recovery rate, selectivity, reversibility, and stability.

SENSORS AND ACTUATORS B-CHEMICAL (2022)

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Article Chemistry, Analytical

General analysis method for the signal enhancement of microwave gas sensor though variation of energy loss

Nan Zhang et al.

Summary: In this study, a novel analysis method based on variation of energy loss was proposed for the first time, and a microwave gas sensor for NH3 detection was successfully developed. The sensor showed a low detection limit, excellent selectivity, humidity-resistance, and good linearity for NH3 concentration.

SENSORS AND ACTUATORS B-CHEMICAL (2022)

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Article Materials Science, Multidisciplinary

Recent advancements over a decade for organic light-emitting diodes: from structural diversity, role of layers, colour emission, material classification, performance improvement, fabrication to applications

Sugandha Yadav et al.

Summary: This review paper summarizes the recent advancements in OLED technology over the past decade, focusing on improvements in multilayer structures and key materials, as well as showcasing various performance enhancement techniques and important applications. Challenges and reliability issues are also discussed, with a scope for future research directions.

BULLETIN OF MATERIALS SCIENCE (2022)

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Article Materials Science, Multidisciplinary

Fabrication of solution-processable OFET memory using a nano-floating gate based on a phthalocyanine-cored star-shaped polymer

Junko Aimi et al.

Summary: In this study, solution-processed organic field-effect transistor (OFET) memory devices were fabricated using a special blend film preparation method. The resulting devices showed good charge carrier mobility and on/off current ratio, as well as substantial reversible threshold shift and long charge retention ability.

MATERIALS ADVANCES (2022)

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Review Chemistry, Physical

Review on the electromagnetic interference shielding properties of carbon based materials and their novel composites: Recent progress, challenges and prospects

Nannan Wu et al.

Summary: The rapid development of electronic devices has raised concerns about electromagnetic radiation issues, and the most effective way to address electromagnetic pollution is to fabricate electromagnetic interference shielding materials and microwave absorption materials with lightweight and strong attenuation abilities. Carbon nanocomposites have attracted attention in the field of electromagnetic interference shielding due to their low density, natural abundance, easy preparation, excellent conductivity, and flexibility. Recent advancements in carbon materials as ESMs/MAMs have shown that 3D carbon materials and novel composites have the potential to enhance electromagnetic interference shielding efficiency.

CARBON (2021)

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Article Chemistry, Analytical

Microfluidic on-chip microwave sensing of the self-assembly state of tubulin

Ondrej Krivosudsky et al.

Summary: A novel method for monitoring tubulin self-assembly states using microwave lab-on-a-chip technology was proposed and validated experimentally, demonstrating the effectiveness of this approach in detecting the assembly of tubulin proteins into microtubules.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Multidisciplinary Sciences

Microwave resonator array with liquid metal selection for narrow band material sensing

Benjamin D. Wiltshire et al.

Summary: The integration of a microwave resonator array with liquid metal allows for individual resonator response selection, facilitating simple and accurate dielectric sensing. The liquid metal acts as a multiplexer, tuning the resonant frequencies of specific resonators for isolated analysis. This design enables robust and precise material detection using planar microwave resonators, offering flexibility in controlling system parameters for individual needs.

SCIENTIFIC REPORTS (2021)

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Review Chemistry, Physical

Recent progress of organic photovoltaics for indoor energy harvesting

Lin Xie et al.

Summary: The recent progress of indoor organic photovoltaics shows high power conversion efficiency and suitability for indoor energy harvesting. Due to the drawbacks of outdoor solar cells, indoor organic photovoltaic technology emerges as a reliable option for wireless power supply.

NANO ENERGY (2021)

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Review Chemistry, Analytical

Application of PEDOT:PSS and Its Composites in Electrochemical and Electronic Chemosensors

Nan Gao et al.

Summary: PEDOT:PSS is a highly important conducting polymer in organic electronics, with applications in electrochemical and electronic sensors. Research focuses on optimizing the structure of PEDOT:PSS and its composites, as well as developing sensor systems to detect various analytes.

CHEMOSENSORS (2021)

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Article Nanoscience & Nanotechnology

Smart Superhydrophobic Textiles Utilizing a Long-Range Antenna Sensor for Hazardous Aqueous Droplet Detection plus Prevention

Kasra Khorsand Kazemi et al.

Summary: This paper demonstrates the feasibility of embedding a long-range antenna sensor under a liquid repellent fabric for wearable use in personal protective fabrics, to detect and monitor hazardous aqueous liquids. The modified patch antenna successfully detected liquids on both treated and untreated fabrics, showing sensitivity to different types of fabric treatments. The results suggest that the antenna sensor is a promising candidate for detecting hazardous aqueous droplets on fabrics.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Engineering, Electrical & Electronic

Noninvasive Glucose Sensing in Aqueous Solutions Using an Active Split-Ring Resonator

Mohammad Abdolrazzaghi et al.

Summary: The study demonstrates the use of microwave sensors for monitoring glucose concentration in serum with high sensitivity and resolution, capable of detecting lower concentrations of glucose. This technique could be valuable for developing noninvasive glucose sensors for real-time monitoring in biomedical applications.

IEEE SENSORS JOURNAL (2021)

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Article Engineering, Environmental

Graphene oxide/polyaniline-based microwave split-ring resonator: A versatile platform towards ammonia sensing

Aida Javadian-Saraf et al.

Summary: This study developed a microwave-based SRR sensor for detecting ammonia gas with enhanced sensitivity by combining GO with PANI. The sensor demonstrates high sensitivity, selectivity, and repeatability, making it suitable for monitoring the concentration of ammonia gas in various applications.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Multidisciplinary Sciences

Rapid and real-time monitoring of bacterial growth against antibiotics in solid growth medium using a contactless planar microwave resonator sensor

Mandeep Chhajer Jain et al.

Summary: This research proposes a novel method that combines microwave resonators with disk diffusion AST for rapid, contactless, and non-invasive antibiotic susceptibility testing. By monitoring the effect of antibiotics on E. coli, the sensor provides decisive results of antibiotic susceptibility in under 6 hours.

SCIENTIFIC REPORTS (2021)

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Article Multidisciplinary Sciences

Biological autoluminescence for assessing oxidative processes in yeast cell cultures

Petra Vahalova et al.

Summary: Modern medicine is seeking new, more gentle, and efficient diagnostic methods, with studies finding a connection between reactive oxygen species and pathological states in organisms. The phenomenon of biological autoluminescence may serve as a non-invasive tool for monitoring oxidative stress during diseases. Analysis of yeast helped establish the relationship between reactive oxygen species and autoluminescence intensity, contributing to real-time monitoring of oxidative processes in biomedicine and biotechnology.

SCIENTIFIC REPORTS (2021)

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Article Multidisciplinary Sciences

Patch antenna sensor for wireless ice and frost detection

Ryan Kozak et al.

Summary: A patch antenna sensor with T-shaped slots operating at 2.378 GHz was developed for wireless ice and frost detection applications. The sensor can distinguish between frost, ice, and water, and is sensitive to both ice thickness and the surface area covered in ice, with the freezing rate also extractable from the data.

SCIENTIFIC REPORTS (2021)

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Article Materials Science, Multidisciplinary

Patterned PEDOT:PSS-enabled organic planar microwave resonator sensors

Maryam Moradpour et al.

Summary: In this study, an all-organic and environmentally friendly microwave split-ring resonator (SRR) was developed using the conducting polymer PEDOT:PSS, with optimized performance in solid and gas sensing applications. The fabricated organic microwave resonators (OMRs) showed scalability and sensitivity, and could potentially replace traditional metal-based resonators in various scenarios.

APPLIED MATERIALS TODAY (2021)

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Article Engineering, Electrical & Electronic

Single-Frequency Amplitude-Modulation Sensor for Dielectric Characterization of Solids and Microfluidics

Paris Velez et al.

Summary: A microfluidic sensor based on a composite resonator combining SIR and CSRR is reported, achieving high sensitivity by designing closely spaced pole and transmission zeros. The sensor is able to resolve volume fractions as small as 5% for isopropanol solutions, with a maximum measured sensitivity of 4 mV/%.

IEEE SENSORS JOURNAL (2021)

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Article Engineering, Electrical & Electronic

Real-time and hazard-free water quality monitoring based on microwave planar resonator sensor

Sevda Mohammadi et al.

SENSORS AND ACTUATORS A-PHYSICAL (2020)

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Article Engineering, Electrical & Electronic

Passive Split Ring Resonator Tag Configuration for RFID-Based Wireless Permittivity Sensing

Benjamin Daniel Wiltshire et al.

IEEE SENSORS JOURNAL (2020)

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Article Engineering, Biomedical

A Label-Free, Non-Intrusive, and Rapid Monitoring of Bacterial Growth on Solid Medium Using Microwave Biosensor

Sevda Mohammadi et al.

IEEE TRANSACTIONS ON BIOMEDICAL CIRCUITS AND SYSTEMS (2020)

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Article Chemistry, Analytical

Design and analysis of ultrafast and high-sensitivity microwave transduction humidity sensor based on belt-shaped MoO3 nanomaterial

He Yu et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

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Article Nanoscience & Nanotechnology

Organic Photovoltaic Cells for Indoor Applications: Opportunities and Challenges

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ACS APPLIED MATERIALS & INTERFACES (2020)

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Kirigami-Enabled Microwave Resonator Arrays for Wireless, Flexible, Passive Strain Sensing

Zahra Azimi Dijvejin et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Plexcitonic nose based on an organic semiconductor

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APPLIED PHYSICS LETTERS (2020)

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Differential microwave sensor for characterization of glycerol-water solutions

Amir Ebrahimi et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

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Article Nanoscience & Nanotechnology

Modified Microwave Sensor with a Patterned Ground Heater for Detection and Prevention of Ice Accumulation

Ryan Kozak et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Review Chemistry, Multidisciplinary

Recent progress on PEDOT:PSS based polymer blends and composites for flexible electronics and thermoelectric devices

Yan Yang et al.

MATERIALS CHEMISTRY FRONTIERS (2020)

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Rising advancements in the application of PEDOT:PSS as a prosperous transparent and flexible electrode material for solution-processed organic electronics

Gunel Huseynova et al.

JOURNAL OF INFORMATION DISPLAY (2020)

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Review Chemistry, Multidisciplinary

PEDOT:PSS for Flexible and Stretchable Electronics: Modifications, Strategies, and Applications

Xi Fan et al.

ADVANCED SCIENCE (2019)

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Recent Advances in OLED Optical Design

Amin Salehi et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

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Achieving Over 15% Efficiency in Organic Photovoltaic Cells via Copolymer Design

Yong Cui et al.

ADVANCED MATERIALS (2019)

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A Dual-Mode Split-Ring Resonator to Eliminate Relative Humidity Impact

Mohammad Abdolrazzaghi et al.

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS (2018)

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Polymer Nanocomposites for Electromagnetic Interference Shielding: A Review

Sayan Ganguly et al.

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY (2018)

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Achieving humidity-insensitive ammonia sensor based on Poly(3,4-ethylene dioxythiophene): Poly(styrenesulfonate)

Siying Li et al.

ORGANIC ELECTRONICS (2018)

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Improved Methanol Detection Using Carbon Nanotube-Coated Carbon Fibers Integrated with a Split-Ring Resonator-Based Microwave Sensor

Sandeep Kumar Singh et al.

ACS APPLIED NANO MATERIALS (2018)

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Determination of piroxicam and nimesulide using an electrochemical sensor based on reduced graphene oxide and PEDOT:PSS

Ademar Wong et al.

JOURNAL OF ELECTROANALYTICAL CHEMISTRY (2017)

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Review Chemistry, Multidisciplinary

Toward Environmentally Robust Organic Electronics: Approaches and Applications

Eun Kwang Lee et al.

ADVANCED MATERIALS (2017)

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Pursuing prosthetic electronic skin

Alex Chortos et al.

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Microwave gas sensing with a microstrip interDigital capacitor: Detection of NH3 with TiO2 nanoparticles

Guillaume Bailly et al.

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Microwave Gas Sensing with Hematite: Shape Effect on Ammonia Detection Using Pseudocubic, Rhombohedral, and Spindlelike Particles

Guillaume Bailly et al.

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Low-cost and flexible printed graphene-PEDOT:PSS gas sensor for ammonia detection

Yotsarayuth Seekaew et al.

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Multiple approaches for enhancing all-organic electronics photoluminescent sensors: Simultaneous oxygen and pH monitoring

Rui Liu et al.

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The Role of Hole Transport in Hybrid Inorganic/Organic Silicon/Poly(3,4-ethylenedioxy-thiophene):Poly(styrenesulfonate) Heterojunction Solar Cells

Matthias Pietsch et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2013)

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Enhancement of the thermoelectric properties of PEDOT:PSS thin films by post-treatment

Jinji Luo et al.

JOURNAL OF MATERIALS CHEMISTRY A (2013)

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Evolution of nanomorphology and anisotropic conductivity in solvent-modified PEDOT:PSS films for polymeric anodes of polymer solar cells

Seok-In Na et al.

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Article Polymer Science

Poly(3,4-ethylenedioxythiophene) γ-Fe2O3 polymer composite-super paramagnetic behavior and variable range hopping 1D conduction mechanism-synthesis and characterization

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Ammonia sensors and their applications - a review

B Timmer et al.

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Exploring PEDOT:PSS interaction with hazardous gas molecules in microwave regime using organic microwave resonators

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