期刊
NANOSCALE
卷 10, 期 42, 页码 19781-19790出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8nr05957h
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资金
- National Key Research and Development Program of China [2016YFB0402702]
- National Natural Science Foundation of China [51605060]
- Fundamental Research Funds for the Central Universities [106112016CDJZR125504]
Triboelectric nanogenerators (TENGs) have been in spotlight for their excellent capability to drive miniature electronics. Herein, we report a sophisticated double-helix-structured triboelectric nanogenerator (DHS-TENG) enhanced with positive charge traps for self-powered temperature sensing and smart-home control system. The DHS-TENG increases the charge density on the contact surfaces by taking advantage of the ferroelectric characteristics of polyvinylidene fluoride (PVDF). In addition, the flexible double-helix-structure endows DHS-TENG with excellent elastic property as it has no external supporting materials. The reported DHS-TENG, with the dimensions of 3 cm x 3 cm x 5 cm and a light weight of 10 g, can deliver a peak output power of 9.03 mW under a loading resistance of 4 M Omega. It also delivers an enhanced output performance of 460 V, 140 mu A and 400 nC under a constant contact force of 40 N. Furthermore, the DHS-TENG is capable of powering 120 green LEDs and enabling a temperature sensor to work properly. In particular, the DHS-TENG demonstrates the capability of successful remote data transmission for application in smart-home control systems within 10 meters.
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