Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 30, Issue 12, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201910162
Keywords
capacitors; metal-organic frameworks; triboelectric nanogenerators; zeolitic imidazole frameworks
Categories
Funding
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Korean government (MSIT) [2018R1A4A1025998, 2019R1A2C3009747]
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Zeolitic imidazole framework (ZIF), a subfamily of metal-organic framework (MOF), offers excellent chemical and thermal stability in addition to other MOF advantages. The triboelectric series predominantly consist of few metals and mainly polymers that are not suitable for the development of sensors with high selectivity and specificity. The development of multifunctional, tunable materials is of utmost importance for extending the applications of a triboelectric nanogenerator (TENG). The TENG based on the ZIF subfamily materials (ZIF-7, ZIF-9, ZIF-11, and ZIF-12) is reported here. The surface roughness, structural, morphological, and surface potential analysis reveals the detailed characteristics of the ZIF family members. The ZIFs and Kapton are used as triboelectric layers for the ZIF-TENG fabrication. The device is analyzed in detail for its electrical performance (voltage, current, charge, stability, load matching analysis, and capacitor charging). The ZIF-7 TENG generates the highest output of 60 V and 1.1 mu A in vertical contact-separation mode. Finally, various low-power electronics are successfully driven with the capacitor charged by the output of the ZIF-7 TENG.
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