Influence of Printed Encapsulation Layer on the Mechanical Reliability and Performance of V₂O₅ Nanowires-Based Flexible Temperature Sensors

Neto, João; Dahiya, Abhishek Singh; Dahiya, Ravinder

doi:10.1109/jflex.2023.3247985

Cited by 4 publications

(2 citation statements)

References 36 publications

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“…Using this vanadium oxide for application with regard to flexible sensors is challenging due to its fabrication temperature, i.e., 500 °C, which is unsustainable for conventional flexible substrates owing to their thermal budget. Furthermore, vanadium oxide nanowire (NW)-based sensors show relatively high sensitivity (∼1%/°C) when formed at low temperatures on a flexible film; meanwhile, their long-term stability is not studied . A detailed comparison of the performances to other materials is described in Table S1.…”

Section: Introductionmentioning

confidence: 99%

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Solution-Processed Flexible Temperature Sensor Array for Highly Resolved Spatial Temperature and Tactile Mapping Using ESN-Based Data Interpolation

Nakamura,

Ezaki,

Matsumura

et al. 2024

ACS Appl. Mater. Interfaces

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High-performance flexible temperature sensors are crucial in various technological applications, such as monitoring environmental conditions and human healthcare. The ideal characteristics of these sensors for stable temperature monitoring include scalability, mechanical flexibility, and high sensitivity. Moreover, simplicity and low power consumption will be essential for temperature sensor arrays in future integrated systems. This study introduces a solution-based approach for creating a V 2 O 5 nanowire network temperature sensor on a flexible film. Through optimization of the fabrication conditions, the sensor exhibits remarkable performance, sustaining long-term stability (>110 h) with minimal hysteresis and excellent sensitivity (∼−1.5%/ °C). In addition, this study employs machine learning techniques for data interpolation among sensors, thereby enhancing the spatial resolution of temperature measurements and adding tactile mapping without increasing the sensor count. Introducing this methodology results in an improved understanding of temperature variations, advancing the capabilities of flexible-sensor arrays for various applications.

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Section: Introductionmentioning

confidence: 99%

“…Furthermore, vanadium oxide nanowire (NW)-based sensors show relatively high sensitivity (∼1%/°C) when formed at low temperatures on a flexible film; meanwhile, their long-term stability is not studied. 16 in Table S1. Other reliable and practical temperature sensors are based on Si-based pn diodes.…”

Section: ■ Introductionmentioning

confidence: 99%

Solution-Processed Flexible Temperature Sensor Array for Highly Resolved Spatial Temperature and Tactile Mapping Using ESN-Based Data Interpolation

Nakamura,

Ezaki,

Matsumura

et al. 2024

ACS Appl. Mater. Interfaces

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Stochastic Nature of Large‐Scale Contact Printed ZnO Nanowires Based Transistors

Liu,

Christou,

Chirila

et al. 2024

Adv Funct Materials

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Printing technology holds great potential for resource‐efficient development of electronic devices and circuits. However, even after decades of research, achieving uniformly responding nanowires (NWs) based printed devices is still a challenge. To date, there is no design rule that clearly guides the fabrication of NW ensemble‐based field‐effect transistors (FETs) and the variables that influence device‐level uniformity remain unclear. The lack of fundamental understanding severely limits the large‐scale and very large‐scale integration (LSI and VLSI). Herein this longstanding issue is addressed with a holistic approach that starts with optimization of the synthesis of ZnO NWs, their printing, and further processing to fabricate transistors with uniform responses (e.g., on‐state current, threshold voltage). Monte Carlo simulation based on statistical analysis of printed ZnO NWs is carried out to develop a probabilistic framework that can predict the large‐scale performance of FETs. As a proof of concept, inverter circuits have been developed using printed ZnO NWs based FETs. This work provides a valuable toolkit to handle the stochastic nature of FETs based on printed ZnO NW ensemble, which can be used for neuromorphic integrated circuit in the future.

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Modular Platform for Automated Characterisation of Printed Structures, Devices and Circuits

Koker,

Reichert,

Gengenbach

et al. 2024

2024 Symposium on Design, Test, Integration and Packaging of MEMS/MOEMS (DTIP)

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Influence of Printed Encapsulation Layer on the Mechanical Reliability and Performance of V₂O₅ Nanowires-Based Flexible Temperature Sensors

Cited by 4 publications

References 36 publications

Solution-Processed Flexible Temperature Sensor Array for Highly Resolved Spatial Temperature and Tactile Mapping Using ESN-Based Data Interpolation

Solution-Processed Flexible Temperature Sensor Array for Highly Resolved Spatial Temperature and Tactile Mapping Using ESN-Based Data Interpolation

Stochastic Nature of Large‐Scale Contact Printed ZnO Nanowires Based Transistors

Modular Platform for Automated Characterisation of Printed Structures, Devices and Circuits

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