Title :
Piezopotential tuned single ZnO micro-/nanowire photodetector
Author :
Yang, Qing ; Guo, Xin ; Wang, Wenhui ; Zhang, Yan ; Xu, Sheng ; Lien, Der Hsien ; Wang, Zhong Lin
Author_Institution :
Sch. of Mater. Sci. & Eng., Georgia Inst. of Technol., Atlanta, GA, USA
Abstract :
We demonstrate the piezoelectric effect on the responsivity of a metal-semiconductor-metal ZnO micro-/nanowire photodetector. Piezo-phototronic effect can enhance the detection sensitivity more than fivefold for pW levels light detection.
Keywords :
II-VI semiconductors; nanowires; photodetectors; piezoelectricity; semiconductor quantum wires; zinc compounds; ZnO; detection sensitivity; light detection; metal-semiconductor-metal photodetector; piezo-phototronic effect; piezoelectric effect; piezopotential tuned photodetector; Optical sensors; Photoconductivity; Photodetectors; Piezoelectric devices; Strain; Wires; Zinc oxide;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
