Abstract

A highly UV-transparent metal microgrid was prepared and employed as the front electrode in a sandwich-structured ultraviolet (UV) photodetector using TiO2 thin film as the semiconductor layer. The photo-generated charger carriers travel a shorter distance before reaching the electrodes in comparison with a photodetector using large-spaced interdigitated metal electrodes (where distance between fingers is several to tens of micrometers) on the surface of the semiconductor film. This photodetector responds to UV light irradiation, and the photocurrent intensity increases linearly with the irradiation intensity below 0.2mW/cm2.

© 2009 Optical Society of America

Full Article  |  PDF Article
Related Articles
Schottky barrier characteristics and internal gain mechanism of TiO2 UV detectors

Haifeng Zhang, Min Zhang, Caihui Feng, Weiyou Chen, Caixia Liu, Jingran Zhou, and Shengping Ruan
Appl. Opt. 51(7) 894-897 (2012)

Ultraviolet photodetector with high internal gain enhanced by TiO2/SrTiO3 heterojunction

Min Zhang, Haifeng Zhang, Kaibo Lv, Weiyou Chen, Jingran Zhou, Liang Shen, and Shengping Ruan
Opt. Express 20(6) 5936-5941 (2012)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (5)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (1)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription