Characterization of flexible image sensor arrays with bulk heterojunction organic photodiodes

Tse Nga Ng; William S. Wong; Rene A. Lujan; Beverly Russo; Michael L. Chabinyc; Sanjiv Sambandan; Robert A Street

doi:10.1117/12.792266

25 August 2008 Characterization of flexible image sensor arrays with bulk heterojunction organic photodiodes

Tse Nga Ng, William S. Wong, Rene A. Lujan, Beverly Russo, Michael L. Chabinyc, Sanjiv Sambandan, Robert A Street

Proceedings Volume 7054, Organic Field-Effect Transistors VII and Organic Semiconductors in Sensors and Bioelectronics; 70541M (2008) https://doi.org/10.1117/12.792266
Event: Photonic Devices + Applications, 2008, San Diego, California, United States

Abstract

A prototype of mechanically flexible photosensor arrays using organic bulk heterojunction photodiodes has been developed on plastic substrates. The integration of a 4 μm thick sensor layer onto a flexible amorphous silicon thin-film transistor backplane gave an image sensor array with 35% external quantum efficiency and noise equivalent power of 30 pW/cm² at reverse bias voltage of -4 V. Sensor properties such as sensitivity and spatial resolution are determined and compared to those of amorphous silicon photodiodes.

Citation Download Citation

Tse Nga Ng, William S. Wong, Rene A. Lujan, Beverly Russo, Michael L. Chabinyc, Sanjiv Sambandan, and Robert A Street "Characterization of flexible image sensor arrays with bulk heterojunction organic photodiodes", Proc. SPIE 7054, Organic Field-Effect Transistors VII and Organic Semiconductors in Sensors and Bioelectronics, 70541M (25 August 2008); https://doi.org/10.1117/12.792266

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