Piezoelectric Nanogenerator Using p-Type ZnO Nanowire Arrays Lu, Ming-Pei ; Song, Jinhui ; Lu, Ming-Yen ; Chen, Min-Teng ; Gao, Yifan ; Chen, Lih-Juann ; Wang, Zhong Lin Abstract Publication: Nano Letters Pub Date: March 2009 DOI: 10.1021/nl900115y Bibcode: 2009NanoL...9.1223L