Design and synthesis of air-stable p-channel-conjugated polymers for high signal-to-drift nitrogen dioxide and ammonia sensing

T Mukhopadhyaya, JS Wagner, H Fan… - ACS applied materials …, 2020 - ACS Publications
The development of high-performance-conjugated polymer-based gas sensors involves
detailed structural tailoring such that high sensitivities are achieved without compromising …

Trap-dominated nitrogen dioxide and ammonia responses of air-stable p-channel conjugated polymers from detailed bias stress analysis

T Mukhopadhyaya, HE Katz - Journal of Materials Chemistry C, 2021 - pubs.rsc.org
The improvement of conjugated polymer-based gas sensors involves fine tuning the
backbone electronic structure and solid-state microstructure to combine high stability and …

High‐Performance, Flexible NO2 Chemiresistors Achieved by Design of Imine‐Incorporated n‐Type Conjugated Polymers

H Park, DH Kim, BS Ma, E Shin, Y Kim… - Advanced …, 2022 - Wiley Online Library
Flexible and mechanically robust gas sensors are the key technologies for wearable and
implantable electronics. Herein, the authors demonstrate the high‐performance, flexible …

Polymer-Based Thermally Stable Chemiresistive Sensor for Real-Time Monitoring of NO2 Gas Emission

GG Yang, DH Kim, S Samal, J Choi, H Roh… - ACS …, 2023 - ACS Publications
We present a thermally stable, mechanically compliant, and sensitive polymer-based NO2
gas sensor design. Interconnected nanoscale morphology driven from spinodal …

Improved NO2 gas sensing performance of nanoporous conjugated polymer (CP) thin films by incorporating preformed CP nanowires

G Jeong, HJ Cheon, SY Shin, E Wi, P Kyokunzire… - Dyes and …, 2023 - Elsevier
Conjugated polymer (CP)-based organic field-effect transistor (OFET) gas sensors can
detect gas molecules at room temperature with high sensitivity and selectivity. However …

NO2-Affinitive Conjugated Polymer for Selective Sub-Parts-Per-Billion NO2 Detection in a Field-Effect Transistor Sensor

Y Kang, DH Kwak, JE Kwon, BG Kim… - ACS Applied Materials & …, 2021 - ACS Publications
Conjugated polymers (CPs) have provided versatile semiconducting implements for the
development of soft electronic devices. When three CPs with the same conjugated …

Enhanced and unconventional responses in chemiresistive sensing devices for nitrogen dioxide and ammonia from carboxylated alkylthiophene polymers

J Wagner, HJ Jang, J Han, HE Katz - Materials Horizons, 2020 - pubs.rsc.org
A carboxylated thiophene polymer-based chemiresistive device in a field-effect transistor
(FET) configuration with unusual and enhanced responses to the widespread pollutants …

Surface functionalization of ion-in-conjugation polymer sensors for humidity-independent gas detection at room temperature

Z Chen, C Yu, W Bai, W Ye, J Wang, J Wei… - Sensors and Actuators B …, 2022 - Elsevier
Organic semiconductors rising as promising chemiresistive materials due to their high
sensitivity and high selectivity towards target gas molecules. However, severe interference …

Oxygen-bearing functionalities enhancing NO 2, NH 3, and acetone electronic response and response variation by polythiophenes in organic field-effect transistor …

J Wagner, Y Song, J Shapiro, HE Katz - Journal of Materials Chemistry …, 2022 - pubs.rsc.org
We investigated the enhanced vapor responses and altered response ratios of a series of
thiophene (co) polymers with oxygenated side chains (CH2OH, linear polyethylene glycol …

Improved Room Temperature NO2 Sensing Performance of Organic Field-Effect Transistor by Directly Blending a Hole-Transporting/Electron-Blocking Polymer into …

S Han, Z Yang, Z Li, X Zhuang… - ACS applied materials …, 2018 - ACS Publications
Over the past decades, organic field-effect transistor (OFET) gas sensors have maintained a
rapid development. However, the majority of OFET gas sensors show insufficient detection …