Solution-processed non-polymeric organic photodiodes

Il Ku Kim; Paul Meredith; Paul L. Burn; Shih-Chun Lo; Ebinazar B. Namdas

doi:10.1117/12.2187583

31 August 2015 Solution-processed non-polymeric organic photodiodes

Il Ku Kim, Paul Meredith, Paul L. Burn, Shih-Chun Lo, Ebinazar B. Namdas

Proceedings Volume 9568, Organic Field-Effect Transistors XIV; and Organic Sensors and Bioelectronics VIII; 95681W (2015) https://doi.org/10.1117/12.2187583
Event: SPIE Organic Photonics + Electronics, 2015, San Diego, California, United States

Abstract

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.

Conference Presentation

Citation Download Citation

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 (31 August 2015); https://doi.org/10.1117/12.2187583

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