CNN-Optimized Electrospun TPE/PVDF Nanofiber Membranes for Enhanced Temperature and Pressure Sensing
Abstract
:1. Introduction
2. Experimental Section
2.1. Materials and Reagents
2.2. Fabrication of PVDF Electrospinning Solutions and TPE-Doped PVDF Electrospinning Solutions
2.3. Fabrication of PVDF and TPE-Doped PVDF Nanofiber Membranes
2.4. Characterization
2.5. Training of Neural Network for Fiber Diameter Prediction
2.6. Gray Value Method for Thermal Sensitivity Measurement
3. Results and Discussion
3.1. Comparison of Different Neural Network Prediction Results
3.2. Interactions among Electrospinning Process Parameters
3.3. Effect of PVDF Concentration on Viscosity, Surface Tension, and Conductivity of Spinning Solutions
3.4. Surface and Stability Properties of Nanofiber Membranes
3.5. Morphological Analysis of Fluorescent Nanofiber Membranes
3.6. Thermal Sensitivity Analysis of Fluorescent Nanofiber Membranes
3.7. Pressure Sensitivity Analysis of Fluorescent Nanofiber Membranes
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Component Materials | Structure | Average Particle Size | Temperature Measurement Method | Temperature Range | Sensitivity |
---|---|---|---|---|---|
SiO2 | Arrays | 220 µm | Ratio of FL | 100–800 °C | 0.15 nm/°C [50] |
Er3+-Silica | Core–shell | 4 µm | Emission intensity | 4–204 °C | −0.53/K [51] |
Y2O3@Er3+/Yb3+-Silica | Core–shell | 800 µm | Current ratio | −10–60 °C | 1.3%/°C [52] |
ZnO-Silica | Shell–core | 100 µm | Peak position | 100–300 °C | 0.019 nm/°C [53] |
Er3--Yb3+@ Tellurite glass | Hollow | 50 µm | Ratio of FL Intensity | 30–110 °C | 1.11 × 10−2/K [54] |
PS | Solid | 91.7 µm | WGM Wavelength shift | 20–70 °C | 0.61796 nm/°C [55] |
PDMS | Solid | 85 µm | Laser wavelength | 25–50 °C | 0.47 nm/°C [56] |
E-skin | Solid | 3 µm | Resistive | 0–40 °C | 0.0127 °C−1 [55] |
AIE-PPC | Solid | 576 nm | Laser wavelength | −40–140 | 0.01 mm/°C [56] |
This work | Solid | 680 nm | Gray value | 20–100 °C | −0.632 gray value/°C |
This work | Solid | 680 nm | FL emission value | 20–100 °C | −7.3 a.u./°C |
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Ma, M.; Jin, C.; Yao, S.; Li, N.; Zhou, H.; Dai, Z. CNN-Optimized Electrospun TPE/PVDF Nanofiber Membranes for Enhanced Temperature and Pressure Sensing. Polymers 2024, 16, 2423. https://doi.org/10.3390/polym16172423
Ma M, Jin C, Yao S, Li N, Zhou H, Dai Z. CNN-Optimized Electrospun TPE/PVDF Nanofiber Membranes for Enhanced Temperature and Pressure Sensing. Polymers. 2024; 16(17):2423. https://doi.org/10.3390/polym16172423
Chicago/Turabian StyleMa, Ming, Ce Jin, Shufang Yao, Nan Li, Huchen Zhou, and Zhao Dai. 2024. "CNN-Optimized Electrospun TPE/PVDF Nanofiber Membranes for Enhanced Temperature and Pressure Sensing" Polymers 16, no. 17: 2423. https://doi.org/10.3390/polym16172423