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Development of an Amorphous Selenium-Based Photodetector Driven by a Diamond Cold Cathode
AbstractAmorphous-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.
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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
Masuzawa T, Saito I, Yamada T, Onishi M, Yamaguchi H, Suzuki Y, Oonuki K, Kato N, Ogawa S, Takakuwa Y, Koh ATT, Chua DHC, Mori Y, Shimosawa T, Okano K. Development of an Amorphous Selenium-Based Photodetector Driven by a Diamond Cold Cathode. Sensors. 2013; 13(10):13744-13778.Chicago/Turabian Style
Masuzawa, Tomoaki; Saito, Ichitaro; Yamada, Takatoshi; Onishi, Masanori; Yamaguchi, Hisato; Suzuki, Yu; Oonuki, Kousuke; Kato, Nanako; Ogawa, Shuichi; Takakuwa, Yuji; Koh, Angel T.T.; Chua, Daniel H.C.; Mori, Yusuke; Shimosawa, Tatsuo; Okano, Ken. 2013. "Development of an Amorphous Selenium-Based Photodetector Driven by a Diamond Cold Cathode." Sensors 13, no. 10: 13744-13778.
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