期刊
ACS APPLIED MATERIALS & INTERFACES
卷 8, 期 22, 页码 13678-13683出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b04041
关键词
ZnO nanowires; hydrothermal synthesis; piezoelectric effect; nanogenerators; energy harvesting
资金
- European Research Council [ERC-2014-STG-639526]
- EPSRC [EP/M010589/1, EP/H019324/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/H019324/1, 1352598, EP/M010589/1] Funding Source: researchfish
A flexible and robust piezoelectric nanogenerator (NG) based on a polymer-ceramic nanocomposite structure has been successfully fabricated via a cost-effective and scalable template assisted hydrothermal synthesis method. Vertically aligned arrays of dense and uniform zinc oxide (ZnO) nanowires (NWs) with high aspect ratio (diameter similar to 250 nm, length similar to 12 mu m) were grown within nanoporous polycarbonate (PC) templates. The energy conversion efficiency was found to be similar to 4.2%, which is comparable to previously reported values for ZnO NWs. The resulting NG is found to have excellent fatigue performance, being relatively immune to detrimental environmental factors and mechanical failure, as the constituent ZnO NWs remain embedded and protected inside the polymer matrix.
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