Enhancing Light Emission of ZnO Microwire-Based Diodes by Piezo-Phototronic Effect Yang, Qing ; Wang, Wenhui ; Xu, Sheng ; Wang, Zhong Lin Abstract Publication: Nano Letters Pub Date: September 2011 DOI: 10.1021/nl202619d Bibcode: 2011NanoL..11.4012Y