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Chen, Chih Ping [Verfasser:in]; Lu, Jong-Hong [Verfasser:in]; Jiang, Bing-Huang [Verfasser:in]; Hsiao, Fu-Chun [Verfasser:in]; Peng, Yan-Cheng [Verfasser:in]; Su, Yu-Wei [Verfasser:in]; Lin, Yan-Ru [Verfasser:in]; Tsai, Tsung-Han [Verfasser:in]; Shiu, Ming-Neng [Verfasser:in]; Lin, Chwen-Yih [Verfasser:in]; Fang, Yu-Ting [Verfasser:in]

High-Performance Organic Photodiodes for Blue-Light Hazard Detection

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  • Medientyp: E-Book
  • Titel: High-Performance Organic Photodiodes for Blue-Light Hazard Detection
  • Beteiligte: Chen, Chih Ping [Verfasser:in]; Lu, Jong-Hong [Verfasser:in]; Jiang, Bing-Huang [Verfasser:in]; Hsiao, Fu-Chun [Verfasser:in]; Peng, Yan-Cheng [Verfasser:in]; Su, Yu-Wei [Verfasser:in]; Lin, Yan-Ru [Verfasser:in]; Tsai, Tsung-Han [Verfasser:in]; Shiu, Ming-Neng [Verfasser:in]; Lin, Chwen-Yih [Verfasser:in]; Fang, Yu-Ting [Verfasser:in]
  • Erschienen: [S.l.]: SSRN, [2022]
  • Umfang: 1 Online-Ressource (29 p)
  • Sprache: Englisch
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: In this study we incorporated a PffBT4T-2OD:PC 71 BM bulk-heterojunction (BHJ) active layer in the layer structure ITO/ZnO/BHJ/MoO 3 /Ag to demonstrate high-performance organic photodiodes (OPDs) and their application in blue-light hazard (BLH) detection. The high crystallinity of PffBT4T-2OD resulted in the OPD displaying high performance, even when the thickness was as high as 850 nm. The efficient OPD suppressed charge injection (from the metal contacts), thereby providing state-of-the-art performance: external quantum efficiencies of greater than 70% (380–710 nm), a value of J d of 1.18 × 10 –9 A cm –2 (–2 V), and high detectivity (2.9 × 10 13 Jones, –2 V (710nm)). The observed ultra-high cut-off frequency [>800 kHz (at 530 nm), with rise/fall times of less than 350 ns at reverse biases of less than –3 V] exceeded that of a silicon photodiode and made the system suitable for use in image photosensors and medical monitoring. The wide linear dynamic range (LDR, 530 nm) of the OPD of 139 dB (at –1 V, from 2.2 × 10 –4 to 2.5 × 10 –11 A cm –2 ) encompassed the mesopic and scotopic vision regimes. Combined with the design of a BLH filter, we calculated the environmental BLH weighted irradiation power density [WD BLH = C B × J SC (current density of diode)] to evaluate the BLH effect for various light sources and commercially available lenses; C B (12.69, reported herein) is a corrective constant for BLH photodetectors. Finally, our design allows the ratio of blue-violet and blue-green light to be determined readily
  • Zugangsstatus: Freier Zugang