S-Space College of Engineering/Engineering Practice School (공과대학/대학원) Program in Bioengineering (협동과정-바이오엔지니어링전공) Theses (Master's Degree_협동과정-바이오엔지니어링전공)
Multifunctional electronic skin using site-specifically designed silicon nanoribbon devices
위치 특이적으로 고안된 실리콘 나노리본 기반의 장치를 이용한 다기능성 전자 피부
- 공과대학 협동과정 바이오엔지니어링전공
- Issue Date
- 서울대학교 대학원
- Stretchable electronics; flexible electronics; electronic skin; physiological signal monitoring
- 학위논문 (석사)-- 서울대학교 대학원 : 협동과정 바이오엔지니어링전공, 2015. 8. 김대형.
- Advances in prosthetic technology facilitate amputees restoring movements to the missing body parts. An accurate restoring motor function of missing parts requires feedback of sensory signals from the prosthesis as actual human skin. However, despite the advances, providing sensory function to prosthesis and connecting the sensory function to the nerve system are still challenging. To provide prosthesis with sensing abilities, researches on electronic skin with various sensors and materials were conducted. But with limited performances such as stretchability, detection range, and spatio-temporal resolution, it was difficult to mimic actual human skin. Here, a stretchable, electronic skin with various sensing capabilities: strain, pressure, and humidity is demonstrated. Using site-specifically designed monocrystalline silicon nanoribbon, high sensitivity and enhanced range of sensing ability under the skin deformation are achieved. For connecting the signals from electronic skin to the nervous system, transmission of sensed signals to the nervous system is performed, from the peripheral nerve to the brain, using stretchable multi-electrode arrays decorated with neuro-protective nanoparticles. Combined with sensory and actuating functions, this system provides an effective solution for emerging classes of prostheses.