Oxide Materials and Devices
Westlake University , No. 18 Shilongshan Street, Hangzhou
Bowen Zhu received his BS degree in chemistry from Jilin University (China) in 2010. He obtained his PhD degree in materials science in 2016 from Nanyang Technological University, Singapore, under the supervision of Professor Xiaodong Chen. After his postdoctoral fellow training at Professor Yang Yang's group, UCLA, he joined Professor Wenlong Cheng's group at Monash University in 2017, Australia, as a Discovery Early Career Researcher Award (DECRA) fellow funded by Australian Research Council. He joined the School of Engineering, Westlake University, China, as an independent Principal Investigator (PI) in August 2019 and lead the Westlake Flexible Electronics Lab. His research is focused on developing large-area active-matrix sensing arrays by integrating thin-film transistors (TFTs) with physical sensors (force, pressure, strain, etc), and skin-inspired neuromorphic sensory devices.
Abstract for Presentation
Solution-Processed Metal Oxide Semiconductors for Flexible Dynamic Sensor Arrays
Metal oxide semiconductors (MOSs) based thin-film transistors (TFTs) hold great promises for emerging applications in active-matrix flexible sensor arrays by virtue of their high optical transparency, large-area uniformity, sound electrical performance, and capability of being fabricated via low-temperature solution-based processes. However, current flexible sensor arrays based on solution-processed MOS TFTs often exhibited inferior device performance, severe mechanical mismatch with soft, dynamic biointerfaces, and low spatial-resolution in signals mapping. To address these challenges, we developed low-cost, solution-processed metal oxide semiconductors based TFTs to serve as the driving back-panel for dynamic sensor arrays, where each sensor pixel is monolithically integrated with one or more TFT devices via source/drain electrodes. In this way, each sensor can be arbitrarily accessed and controlled by TFTs, providing fast-switching speed and high density. Furthermore, the TFTs based dynamic sensor arrays could be readily integrated with printed circuit board (PCB) and signal processers, providing real-time, user-readable signal mappings of force and/or pressure distributions.
 D. Li, J. Du, Y. Tang, K. Liang, Y. Wang, H. Ren, R. Wang, L. Meng*, B. Zhu*, Y. Li, Adv. Funct. Mater., 31 (2021) 2105887.
 F. Li, R. Wang, C. Song, M. Zhao, H. Ren, S. Wang, K. Liang, D. Li, X. Ma, B. Zhu*, H. Wang*, Y. Hao, ACS Nano, 15 (2021), 16422.
 K. Liang, D. Li, H. Ren, M. Zhao, H. Wang, M. Ding, G. Xu, X. Zhao, S. Long, S. Zhu, P. Sheng, W. Li, X. Lin, B. Zhu*, Nano-Micro Letters, 13 (2021), 164.
 K. Liang, H. Ren, Y. Wang, D. Li, Y. Tang, C. Song, Y. Chen, F. Li, H. Wang, B. Zhu*, IEEE Electron. Device Lett., 43 (2022) DOI: 10.1109/LED.2022.3166507.
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23-26 August, Nanjing, China
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