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. 2018 Mar 23;8(4):188. doi: 10.3390/nano8040188

Figure 11.

Figure 11

(a) The dependence of the output performance of ZnO piezoelectric NG on the lattice strain induced by different halogen dopant. Reproduced with permission from [108]. American Chemical Society, 2015; (b) Output performance of ZnO NW film NG as a function of the doping concentration of Cl. Reproduced with permission from [114]. American Chemical Society, 2016; (c) Histogram of piezoelectric output voltages for undoped and Li-doped ZnO NW samples and the influence of surface functionalization. Reproduced with permission from [113]. The Royal Society of Chemistry, 2013.