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Modeling Stretchable Electronics for Wearables

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Through a highly interesting and fruitful collaboration with the experimental group of Professor Zhenan Bao in Chemical Engineering and the experimental group of Professor Yi Cui in Material Science, as well as other collaborators within Stanford, a project on the creation of stretchable electronics for applications in the field of wearable devices, funded by Samsung, a number of interesting mechanical observations and findings were made. We looked at nanoconfinement effects in blend polymer systems, were able to understand the microstructural origin of resistance-strain hysteresis in carbon nanotube thin film conductors, modeled 3D conducting polymer foams, and helped develop stretchable transistors, circuits, and semiconductors.



Related References

Wu H-C, Nikzad S, Zhu C, Yan H, Li Y, Niu W, Matthews JR, Xu J, Matsuhisa N, Arunachala PK, Rastak R, Linder C, Zheng Y-Q, Toney MF, He M, Bao Z, (2022). “Highly stretchable polymer semiconductor thin films with multi-modal energy dissipation and high relative stretchability,” Nature Communications, 14, 8382 (2023)

Wang W, Wang S, Rastak R, Ochiai Y, Niu S, Jian Y, Arunachala PK, Zheng Y, Xu J, Matsuhisa N, Yan X, Kwon S-K, Miyakawa M, Zhang Z, Ning R, Foudeh A, Yun Y, Linder C, Tok J, Bao Z, (2021). “Strain-insensitive intrinsically stretchable transistors and circuits,” Nature Electronics, 4(2): 143-150.

Chen G, Rastak R, Wang Y, Yan H, Feig V, Liu Y, Jiang Y, Chen S, Lian F, Molina-Lopez F, Jin L, Cui K, Chung JW, Pop E, Linder C, Bao Z, (2019). “Strain- and strain-rate-invariant conductance in a stretchable and compressible 3D conducting polymer foam,” Matter, 1:205-218.

Jin L, Chortos A, Lian F, Pop E, Linder C, Bao Z, Cai W, (2018). “Microstructural origin of resistance-strain hysteresis in carbon nanotube thin film conductors,” Proceedings of the National Academy of Sciences, 115:1986-1991.

Yue W, Zhu C, Pfattner R, Yan H, Jin L, Chen S, Molina-Lopez F, Lissel F, Liu J, Rabiah N, Chen Z, Chung JW, Linder C, Toney M, Murmann B, Bao Z, (2017). “A highly stretchable, transparent and conductive polymer,” Science Advances, 3:e1602076.

Xu J, Wang S, Wang G-J, Zhu C, Luo S, Jin L, Gu X, Chen S, Feig VR, To J, Rondeau-Gagnè S, Park J, Schroeder B, Lu C, Oh J, Wang Y, Kim Y-H, Yan H, Sinclair R, Zhou D, Xue G, Murmann B, Linder C, Cai W, Tok J, Chung J, Bao Z, (2017). “Highly stretchable polymer semiconductor films through the nanoconfinement effect,” Science, 355:59-64.

Li C, Wang C, Keplinger C, Zuo J, Jin L, Sun Y, Zheng P, Cao Y, Lissel F, Linder C, You X, Bao Z, (2016). “A highly stretchable autonomous self-healing elastomer,” Nature Chemistry, 8:618-624.