Fabrication of Silk Fibroin/Graphene Film with High Electrical Conductivity and Humidity Sensitivity
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Preparation of SF/Graphene Film
2.1.1. Preparation of the SF Solution
2.1.2. Preparation of the SF/Butanediol Solution
2.1.3. Preparation of Graphene/PVA(GrP) Suspension
2.1.4. Preparation of the SF/Graphene Film
2.3. Characterization of the SF/Graphene Film
2.3.1. Cross-sectional Morphology
2.3.2. XRD
2.3.3. ATR-FTIR
2.3.4. Dissolution Rate
2.3.5. The Effect of the Water Content of Films on Sheet Resistance
2.3.6. Mechanical Properties
2.3.7. Water Rate LED Lamp Bead Test and Flexible dDsplay
3. Results and Discussion
3.1. Effect of Different Ratios of PVA on Graphene/PVA Suspension
3.2. Cross-Sectional Morphology
3.3. XRD and ATR-FTIR
3.4. Dissolution Rate
3.5. Water Content and the Sheet Resistance
3.6. Mechanical Properties
3.7. Water Rate LED Lamp Bead Test and Flexible Display
4. Conclusions
Author Contributions
Acknowledgments
Conflicts of Interest
References
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Sample. | Stress [MPa] | Strain [%] | Modulus [Gpa] |
---|---|---|---|
SF | 55.1 ± 6.8 | 6.59 ± 1.55 | 1.8 ± 0.2 |
SF/BD | 33.4 ± 3.2 | 68.21 ± 22.76 | 0.6 ± 0.1 |
SF/GrP | 28.6 ± 2.4 | 1.11 ± 0.21 | 5.3 ± 0.7 |
SF/GrP/BD | 12.3 ± 1.7 | 11.41 ± 2.62 | 0.9 ± 0.1 |
SF/BD (wet) | 9.2 ± 1.9 | 182.37 ± 45.48 | 0.04 2± 0.009 |
SF/GrP/BD (wet) | 5.6 ± 0.7 | 155.88 ± 38.27 | 0.063 ± 0.017 |
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Zhang, H.; Zhao, J.; Xing, T.; Lu, S.; Chen, G. Fabrication of Silk Fibroin/Graphene Film with High Electrical Conductivity and Humidity Sensitivity. Polymers 2019, 11, 1774. https://doi.org/10.3390/polym11111774
Zhang H, Zhao J, Xing T, Lu S, Chen G. Fabrication of Silk Fibroin/Graphene Film with High Electrical Conductivity and Humidity Sensitivity. Polymers. 2019; 11(11):1774. https://doi.org/10.3390/polym11111774
Chicago/Turabian StyleZhang, Haoran, Juntao Zhao, Tieling Xing, Shenzhou Lu, and Guoqiang Chen. 2019. "Fabrication of Silk Fibroin/Graphene Film with High Electrical Conductivity and Humidity Sensitivity" Polymers 11, no. 11: 1774. https://doi.org/10.3390/polym11111774