Solution synthesis of large-scale, high-sensitivity ZnO/Si hierarchical nanoheterostructure photodetectors

Ke Sun; Yi Jing; Namseok Park; Chun Li; Yoshio Bando; Deli Wang

doi:10.1021/ja1038424

Solution synthesis of large-scale, high-sensitivity ZnO/Si hierarchical nanoheterostructure photodetectors

J Am Chem Soc. 2010 Nov 10;132(44):15465-7. doi: 10.1021/ja1038424.

Authors

Ke Sun¹, Yi Jing, Namseok Park, Chun Li, Yoshio Bando, Deli Wang

Affiliation

¹ Department of Electrical and Computer Engineering, University of California-San Diego, La Jolla, California 92093, United States.

PMID: 20949970
DOI: 10.1021/ja1038424

Abstract

This Communication reports a low-cost solution fabrication of wafer-scale ZnO/Si branched nanowire heterostructures and their high photodetection sensitivity, with an ON/OFF ratio larger than 250 and a peak photoresponsivity of 12.8 mA/W at 900 nm. This reported unique 3D branched nanowire structure offers a generic approach for the integration of new functional materials for photodetection and photovoltaic applications.