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Title: Development of an amorphous selenium-based photodetector driven by a diamond cold cathode
Authors: 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.
Keywords: Amorphous selenium
Carrier multiplication
Cold cathode
Issue Date: 11-Oct-2013
Citation: 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. (2013-10-11). Development of an amorphous selenium-based photodetector driven by a diamond cold cathode. Sensors (Switzerland) 13 (10) : 13744-13778. ScholarBank@NUS Repository.
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. © 2013 by the authors; licensee MDPI, Basel, Switzerland.
Source Title: Sensors (Switzerland)
ISSN: 14248220
DOI: 10.3390/s131013744
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