Next Article in Journal
A Buoy for Continuous Monitoring of Suspended Sediment Dynamics
Previous Article in Journal
Sensing Lanthanide Metal Content in Biological Tissues with Magnetic Resonance Spectroscopy
Previous Article in Special Issue
Identification and Quantification of Explosives in Nanolitre Solution Volumes by Raman Spectroscopy in Suspended Core Optical Fibers
Sensors 2013, 13(10), 13744-13778; doi:10.3390/s131013744
Review

Development of an Amorphous Selenium-Based Photodetector Driven by a Diamond Cold Cathode

1
,
1
,
2
,
1
,
1
,
1
,
1
,
1
,
3
,
3
,
4
,
4
,
5
,
6
 and
1,*
Received: 19 August 2013 / Revised: 12 September 2013 / Accepted: 23 September 2013 / Published: 11 October 2013
(This article belongs to the Special Issue Photodetectors)

Abstract

Amorphous-selenium (a-Se) based photodetectors are promising candidates for imaging devices, due to their high spatial resolution and response speed, as well as extremely high sensitivity enhanced by an internal carrier multiplication. In addition, a-Se is reported to show sensitivity against wide variety of wavelengths, including visible, UV and X-ray, where a-Se based flat-panel X-ray detector was proposed. In order to develop an ultra high-sensitivity photodetector with a wide detectable wavelength range, a photodetector was fabricated using a-Se photoconductor and a nitrogen-doped diamond cold cathode. In the study, a prototype photodetector has been developed, and its response to visible and ultraviolet light are characterized.
Keywords: amorphous selenium; photodetector; carrier multiplication; diamond; cold cathode amorphous selenium; photodetector; carrier multiplication; diamond; cold cathode
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Share & Cite This Article

Further Mendeley | CiteULike
Export to BibTeX |
EndNote
MDPI and ACS Style

Masuzawa, T.; Saito, I.; Yamada, T.; Onishi, M.; Yamaguchi, H.; Suzuki, Y.; Oonuki, K.; Kato, N.; Ogawa, S.; Takakuwa, Y.; Koh, A.T.T.; Chua, D.H.C.; Mori, Y.; Shimosawa, T.; Okano, K. Development of an Amorphous Selenium-Based Photodetector Driven by a Diamond Cold Cathode. Sensors 2013, 13, 13744-13778.

View more citation formats

Related Articles

Article Metrics

For more information on the journal, click here

Comments

Cited By

[Return to top]
Sensors EISSN 1424-8220 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert