Gigantic enhancement in response and reset time of ZnO UV nanosensor by utilizing Schottky contact and surface functionalization

Zhou, Jun; Gu, Yudong; Hu, Youfan; Mai, Wenjie; Yeh, Ping‐Hung; Bao, Gang; K. Sood, Ashok; L. Polla, Dennis; Lin Wang, Zhong

doi:10.1063/1.3133358

Public

Gigantic enhancement in response and reset time of ZnO UV nanosensor by utilizing Schottky contact and surface functionalization

Published in Applied Physics Letters • May 11, 2009

Authors:

Jun Zhou

Yudong Gu

Youfan Hu

Abstract

UV response of ZnO nanowire nanosensor has been studied under ambient condition. By utilizing Schottky contact instead of Ohmic contact in device fabrication, the UV sensitivity of the nanosensor has been improved by four orders of magnitude, and the reset time has been drastically reduced from appr...

Subject

Nanosensor

Ohmic contact

Reset (finance)

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