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Synthesis of ultra-thin tellurium nanoflakes on textiles for high-performance flexible and wearable nanogenerators
- Synthesis of ultra-thin tellurium nanoflakes on textiles for high-performance flexible and wearable nanogenerators
- He, Wen; Huynh Van Ngoc; Qian, Yong Teng; Hwang, Jae Seok; Yan, Ya Ping; Choi, Hongsoo; Kang, Dae Joon
- DGIST Authors
- Choi, Hongsoo
- Issue Date
- Applied Surface Science, 392, 1055-1061
- Article Type
- Bending; Bending (Forming); Compressing; Compression Testing; Compressive Forces; Driving Frequencies; Electrical Energy; Electronic Equipment Testing; Gold Coatings; Green Light Emitting Diodes; High-Power Generation; Light-Emitting Diodes; Mechanical Energies; Nanogenerators; Nanotechnology; Open Circuit Voltage; Tellurium; Tellurium Compounds; Tellurium Nanoflake; Textile; Textiles; Wearable Technology
- We report that ultra-thin tellurium (Te) nanoflakes were successfully grown on a sample of a gold-coated textile, which then was used as an active piezoelectric material. An output voltage of 4 V and a current of 300 nA were obtained from the bending test under a driving frequency of 10 Hz. To test the practical applications, Te nanoflake nanogenerator (TFNG) device was attached to the subject's arm, and mechanical energy was converted to electrical energy by means of periodic arm-bending motions. The optimized open-circuit voltage and short-circuit current density of approximately 125 V and 17 μA/cm2, respectively, were observed when a TFNG device underwent a compression test with a compressive force of 8 N and driving frequency of 10 Hz. This high-power generation enabled the instantaneous powering of 10 green light-emitting diodes that shone without any assistance from an external power source. © 2016 Elsevier B.V.
- Elsevier B.V.
- Related Researcher
Choi, Hong Soo
Bio-Micro Robotics Lab
Micro/Nano robot; Neural prostheses; MEMS; BMI; MEMS/NEMS; BioMEMS; MEMS 초음파 트랜스듀스; 인공와우
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- Department of Robotics EngineeringBio-Micro Robotics Lab1. Journal Articles
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