Synthesis of Ga-Doped ZnO Nanorods Using an Aqueous Solution Method for a Piezoelectric Nanogenerator
Authors: Lee, Ju-Hyuck; Lee, Keun Young; Kumar, Brijesh; Kim, Sang-Woo
Source: Journal of Nanoscience and Nanotechnology, Volume 12, Number 4, April 2012 , pp. 3430-3433(4)
Publisher: American Scientific Publishers
Abstract:Mechanical energy is a potential energy source for self-powered electronic devices. Due to their unique semiconducting and piezoelectric properties, wurtzite-structured nanomaterials have been considered as potential candidates for piezoelectric nanogenerators that convert mechanical energy into electricity. In the present work, we report on the growth of Ga-doped ZnO (GZO) nanorods and investigate the performance of nanogenerators fabricated from undoped ZnO (UZO) nanorods, low Ga-doped ZnO (LGZO) nanorods, and high Ga-doped ZnO (HGZO) nanorods. A nanogenerator integrated with LGZO nanorods exhibited a current density of 1.2 μA/cm2, an enhancement over the 0.4 μA/cm2 and 0.7 μA/cm2 current densities of nanogenerators integrated with UZO and HGZO nanorods, respectively.
Document Type: Research Article
Publication date: April 2012
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