From Event: SPIE Organic Photonics + Electronics, 2015
In this research, we studied solution-processed non-polymeric organic photodiodes by using the strategy of thick bulk heterojunction (BHJ) and inserting a hole blocking layer to reduce the dark current density. In this system, a high external quantum efficiency (over 70% at -0.5 V), extremely low dark current (0.11 nA/cm2 at -0.5 V), and high responsivity (0.4 A/W), detectivity (9.2 x 1012 Jones), linear dynamic range (140 dB) and frequency response (4.0 MHz) were achieved. This study represents a significant step forward to get a low-cost and high-performance OPDs in a very simple process step.
Il Ku Kim, Paul Meredith, Paul L. Burn, Shih-Chun Lo, and Ebinazar B. Namdas, "Solution-processed non-polymeric organic photodiodes," Proc. SPIE 9568, Organic Field-Effect Transistors XIV; and Organic Sensors and Bioelectronics VIII, 95681W (Presented at SPIE Organic Photonics + Electronics: August 10, 2015; Published: 31 August 2015); https://doi.org/10.1117/12.2187583.
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