A green-absorbing dendrimer-based photodetector for image sensing applications

R. D. Jansen-van Vuuren; A. K. Pandey; S. Collins; P. L. Burn

doi:10.1117/12.867735

1 September 2010 A green-absorbing dendrimer-based photodetector for image sensing applications

R. D. Jansen-van Vuuren, A. K. Pandey, S. Collins, P. L. Burn

Proceedings Volume 7779, Organic Semiconductors in Sensors and Bioelectronics III; 77790Q (2010) https://doi.org/10.1117/12.867735
Event: SPIE Photonic Devices + Applications, 2010, San Diego, California, United States

Abstract

The synthesis and photosensing ability of a novel green-absorbing dendrimer are presented. The photoresponse of a photodiode comprising a bulk heterojunction blend of a first generation ketocyanine-cored dendrimer with carbazole dendrons and fluorenyl surface groups and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) shows good spectral selectivity for digital camera applications. The narrow absorbing photodiode achieved an external quantum efficiency of 2.9% at 515 nm and maintained a profile similar to the absorption of the unblended dendrimer.

Citation Download Citation

R. D. Jansen-van Vuuren, A. K. Pandey, S. Collins, and P. L. Burn "A green-absorbing dendrimer-based photodetector for image sensing applications", Proc. SPIE 7779, Organic Semiconductors in Sensors and Bioelectronics III, 77790Q (1 September 2010); https://doi.org/10.1117/12.867735

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