Flexible AZO Thin Film Transistors Fabricated at Room Temperature DOI
Chao Wang,

Mingrui Jia,

Chao Li

et al.

2022 IEEE International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale (3M-NANO), Journal Year: 2023, Volume and Issue: unknown, P. 299 - 303

Published: July 31, 2023

Flexible thin film transistors (TFTs) were fabricated on polyimide (PI) substrate at room temperature (RT). The channel layer, which adopted aluminum doped zinc oxide (AZO) film, was deposited by the co-sputtering method with Al and ZnO as targets. During fabrication process, radio frequency (RF) magnetron sputtering power of target controlled to enhance electrical performance AZO-TFTs. When RF 15 W, device achieved optimal on-off current ratio $5.23 \times 10^{5}$.

Language: Английский

Advancements in wearable sensors for cardiovascular disease detection for health monitoring DOI
Bangul Khan, Zainab Riaz, Rafi u Shan Ahmad

et al.

Materials Science and Engineering R Reports, Journal Year: 2024, Volume and Issue: 159, P. 100804 - 100804

Published: May 21, 2024

Language: Английский

Citations

19

Review of recent advances and sensing mechanisms in solid-state organic thin-film transistor (OTFT) sensors DOI
Benjamin King, Benoît H. Lessard

Journal of Materials Chemistry C, Journal Year: 2024, Volume and Issue: 12(16), P. 5654 - 5683

Published: Jan. 1, 2024

Advances in processing of active layers organic thin-film transistor (OTFT)-based chemical and biological sensors have enabled significant developments their performance, achieving part-per-billion molar concentration limits detection.

Language: Английский

Citations

15

Wearable Aptasensors DOI
Navid Rabiee, Mohammad Rabiee

Analytical Chemistry, Journal Year: 2024, Volume and Issue: 96(49), P. 19160 - 19182

Published: Nov. 27, 2024

This Perspective explores the revolutionary advances in wearable aptasensor (WA) technology, which combines devices and aptamer-based detection systems for personalized, real-time health monitoring. The leverage specificity sensitivity of aptamers to target specific molecules, offering broad applications from continuous glucose tracking early diagnosis diseases. integration data analytics artificial intelligence (AI) allows risk prediction guides preventive measures. While challenges miniaturization, power efficiency, security persist, these hold significant potential democratize healthcare reshape patient-doctor interactions.

Language: Английский

Citations

7

Optimizing a-IGZO Source-Gated Transistor Current by Structure Alteration via TCAD Simulation and Experiment DOI
Pongsakorn Sihapitak, Juan Paolo Bermundo, Eva Bestelink

et al.

IEEE Transactions on Electron Devices, Journal Year: 2024, Volume and Issue: 71(4), P. 2431 - 2437

Published: Feb. 21, 2024

This study aims to increase the output current of amorphous indium–gallium–zinc oxide (a-IGZO) source-gated transistor (SGT) through technology computer-aided design (TCAD) simulation and experiment. As SGT proves be useful in various low-power applications wearable devices, low characteristics limit adaptability this structure. It is estimated that a higher level achievable by optimizing architecture while retaining fast saturation characteristics. The structure simulations have been performed with adjusted density-of-states (DoS) parameters from experiments; made TCAD more realistic can used predict results fabricated SGTs. show longer source–channel (SC) overlap thinner channel preferable; SC will result Mode II injection dominating over I injection. occurs at edge source contact near region, bulk farthest region channel. experiment shows exhibits characteristics—that linearly increasing gate voltage. From study. it could concluded $210~\mu \text{m}$ thickness 20 nm length notation="LaTeX">$5~\mu optimized provide high little temperature dependence. Further improvement achieved utilizing lower work function metal.

Language: Английский

Citations

5

Development of Screen-Printed Biodegradable Flexible Organic Electrochemical Transistors Enabled by Poly(3,4-ethylenedioxythiophene) Polystyrene Sulfonate and a Solid-State Chitosan Polymer Electrolyte DOI
Bo Sun, Sharifah Fatmadiana Wan Muhamad Hatta, Norhayati Soin

et al.

ACS Applied Electronic Materials, Journal Year: 2024, Volume and Issue: 6(4), P. 2336 - 2348

Published: March 27, 2024

Organic electrochemical transistors (OECTs) are gaining interest for applications in neuromorphic devices and biosensors. Traditional OECTs use aqueous or ionic gel electrolytes, but these materials often limit performance wider application due to their fluid nature poor biocompatibility. This study introduces a biodegradable, flexible solid-state OECT using chitosan biopolymer electrolyte. The electrolyte consists of chitosan, dextran, lithium perchlorate (LiClO4)-based salt. chitosan-based feature an organic poly(3,4-ethylenedioxythiophene) polystyrene sulfonate semiconductor channel fabricated screen printing. They demonstrate impressive performance, including on-state current 0.19 ± 0.03 mA at low 0.6 V bias voltage, high on/off ratio 0.3 × 103, large transconductance 0.416 0.05 mS. Additionally, show remarkable endurance mechanical robustness, maintaining stability after 300 bending cycles, long-term bending, under temperatures ranging from 30 75 °C. Significantly, the breaking down without toxic byproducts reducing environmental impact. makes them promising option future bioelectronics wearable technology that leverage natural biomaterials.

Language: Английский

Citations

5

Dependence of Positive Bias Stress Instability on Threshold Voltage and Its Origin in Solution-Processed Aluminum-Doped Indium Oxide Thin-Film Transistors DOI Creative Commons

Jeong‐Hyeon Na,

Junhyeong Park, Won Ho Park

et al.

Nanomaterials, Journal Year: 2024, Volume and Issue: 14(5), P. 466 - 466

Published: March 4, 2024

The initial electrical characteristics and bias stabilities of thin-film transistors (TFTs) are vital factors regarding the practical use electronic devices. In this study, dependence positive stress (PBS) instability on an threshold voltage (VTH) its origin were analyzed by understanding roles slow fast traps in solution-processed oxide TFTs. To control VTH TFTs, indium (InOx) semiconductor was doped with aluminum (Al), which functioned as a carrier suppressor. concentration oxygen vacancies decreased Al doping increased, causing shift InOx (∆VTH) caused PBS increased exponentially when distinct tendency observed gate due to high vertical electric field dielectric. addition, recovery behavior reveal influence ∆VTH PBS. Results revealed that effect trap moved direction; occured because main electron location away from interface Fermi level approached conduction band minimum. Understanding correlation between can contribute optimizing fabrication TFT-based circuits for applications.

Language: Английский

Citations

4

Organic–Inorganic Hybrid Dielectric Layers for Low-Temperature Thin-Film Transistors Applications: Recent Developments and Perspectives DOI Creative Commons
J. Meza-Arroyo, R. Ramı́rez-Bon

Technologies, Journal Year: 2025, Volume and Issue: 13(1), P. 20 - 20

Published: Jan. 2, 2025

This paper reviews the recent development of organic–inorganic hybrid dielectric materials for application as gate dielectrics in thin-film transistors (TFTs). These consist blending high-k inorganic with polymers, and their resulting properties depend on amount type interactions between organic phases. The amorphous networks, characterized by crosslinked phases, can be tailored specific applications, including TFTs. As materials, they offer a synergistic combination high constants, low leakage currents, mechanical flexibility, crucial next-generation flexible electronics. Furthermore, are easily processed solution, allowing low-temperature deposition compatible substrates. Various configurations these dielectrics, such bilayer structures polymer nanocomposites, discussed, an emphasis potential to enhance device performance. Despite significant advancements, challenges remain optimizing performance stability materials. review summarizes progress highlights advantages emerging applications low-temperature, solution-processed focus integration into flexible, stretchable, wearable electronic devices.

Language: Английский

Citations

0

High-Performance Solution-Processed Transparent Cd-Doped p-Type NiOx Thin-Film Transistor DOI

Kiana Khodakarami,

Arash Fereydoni,

Ali Mosahebfard

et al.

Journal of Electronic Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 2, 2025

Language: Английский

Citations

0

Combining the nonperovskite CsPbI3 with graphene layer for high-speed flexible polymer nanocomposite resistive memory application DOI
Awais Khalid, Pervaiz Ahmad

Materials Today Chemistry, Journal Year: 2025, Volume and Issue: 44, P. 102585 - 102585

Published: Feb. 12, 2025

Language: Английский

Citations

0

Self-adhesive Crystal-enhanced multilayer nanofilm piezoelectric sensor for motion monitoring DOI
KeWei Song, Ze Zhang,

Kayo Hirose

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 161150 - 161150

Published: March 1, 2025

Language: Английский

Citations

0