Nanofabrication of Sensitive Materials and Research on Flexible Devices

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanoelectronics, Nanosensors and Devices".

Deadline for manuscript submissions: closed (30 September 2023) | Viewed by 2337

Special Issue Editors

State Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong University, Xi'an, China
Interests: micro/nanomanufacturing techniques; flexible electronics and systems; biomimetic and soft robotics; nanosensors and devices
Special Issues, Collections and Topics in MDPI journals
State Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong University, Xi’an, China
Interests: micro/nanomanufacturing techniques; flexible electronics and systems; tactile sensors; self-healing electronics; soft robotics
Special Issues, Collections and Topics in MDPI journals
School of Mechanical Engineering, Xi’an Jiaotong University, No. 28 Xianning West Road, Xi'an 710054, China
Interests: energy storage materials and devices; flexible electronics and systems; micro/nano manufacturing technologies
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Flexible electronics have attracted great interest in academia and industries due to their potential applications in an enormous number of fields, such as artificial skins, humanoid robots, intelligent equipment, and other areas. They possess the advantages of good flexibility, thinness, and light weight, which enable flexible devices to maintain functionality when deformed, rolled, or even stretched, making the next generation of electronic devices wearable, smart, and multifunctional. It is crucial to modify the morphology, size, composition, and interfaces of sensitive materials using nanofabrication technology to control their properties and allow their applications in various fields such as tactile sensing, energy harvesting and storage, and optoelectronics. Therefore, flexible, high-resolution, and large-area fabrication technology must be developed for the fabrication of multi-functional structures, and the performance of the constructed flexible systems must be studied in terms of mechanics, electricity, photology, or thermology.

In this Special Issue, we would like to highlight the latest advancements in the development of the nanofabrication of sensitive materials and the optimization of their properties for use in flexible devices. This Special Issue focuses on nanofabrication technology and flexible device applications encompassing manufacturing methods, sensitive materials synthesis, structural design strategies, sensing mechanisms, and system development. The topics of interest include (but are not limited to) flexible sensors, soft actuators and robots, energy harvesting and storage, optoelectronics and displays, human–machine interaction, etc. We invite original research papers, short communications, and review research articles covering the progress in the field of nanofabrication techniques for improvement of the performance of functional materials and flexible devices, aiming to provide new insights for future applications and new technologies.

Prof. Dr. Jinyou Shao
Dr. Xiaoliang Chen
Prof. Dr. Xiangming Li
Guest Editors

Manuscript Submission Information

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Keywords

  • nanofabrication
  • sensitive materials
  • flexible electronics
  • flexible sensors
  • soft robotics
  • wearable devices
  • nanoimprinting
  • printing technology

Published Papers (1 paper)

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Research

14 pages, 5858 KiB  
Article
Piezo-Resistive Flexible Pressure Sensor by Blade-Coating Graphene–Silver Nanosheet–Polymer Nanocomposite
by Zheng Kang, Xiangmeng Li, Xiaodong Zhao, Xiaoqiang Wang, Jian Shen, Huifen Wei and Xijing Zhu
Nanomaterials 2023, 13(1), 4; https://doi.org/10.3390/nano13010004 - 20 Dec 2022
Cited by 3 | Viewed by 1939
Abstract
The demand for flexible pressure sensors in wearable devices is dramatically increasing. However, challenges still exist in making flexible pressure sensors, including complex or costly fabrication processes and difficulty in mass production. In this paper, a new method is proposed for preparing the [...] Read more.
The demand for flexible pressure sensors in wearable devices is dramatically increasing. However, challenges still exist in making flexible pressure sensors, including complex or costly fabrication processes and difficulty in mass production. In this paper, a new method is proposed for preparing the flexible pressure sensors that combines an imprinting technique with blade-coating of a graphene–silver nanosheet–polymer nanocomposite. The piezo-resistive type flexible pressure sensor consists of interdigital electrodes and nanocomposite as a sensing layer, as well as a micropillar array structure. The morphology of the sensitive layer of the sensor is characterized by scanning electron microscopy (SEM). The response performance, sensitivity, and stability of the sensor are investigated. The test results show that the initial resistance of the pressure sensor is only 1.6 Ω, the sensitivity is 0.04 kPa−1, and the response time is about 286 ms. In addition, a highly hydrophobic wetting property can be observed on the functional structure surface of the sensor. The contact angle is 137.2 degrees, revealing the self-cleaning property of the sensor. Finally, the prepared sensor is demonstrated as a wearable device, indicating promising potential in practical applications. Full article
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