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21 October 2015 Fabrication and characterization of an inkjet-printed DNA biopolymer-based UV photodetector
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An ultraviolet (UV) photodetector utilizing an inkjet printable , UV photoconducting biopolymer was fabricated and the performance of the photodetector was characterized for varying thickness layers of the biopolymer. The biopolymer was formed of deoxyribonucleic acid (DNA), the Clevios P formulation of poly(3,4-ethylenedioxythiophene)- poly(styrenesulfonate) (PEDOT:PSS), and hexadecyltrimethyl-ammonium chloride (CTMA); this was then combined with phenyl-C61-butyric acid methyl (PCBM) to form the printable, UV photoconducting biopolymer. Using a 260-nm source, the highest measured responsivity of the photodetectors is 1.2 mA/W at 20 V bias.
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J. P. Lombardi III, Roberto S. Aga Jr., Emily M. Heckman, and Carrie M. Bartsch "Fabrication and characterization of an inkjet-printed DNA biopolymer-based UV photodetector", Proc. SPIE 9652, Optics and Photonics for Counterterrorism, Crime Fighting, and Defence XI; and Optical Materials and Biomaterials in Security and Defence Systems Technology XII, 96520X (21 October 2015);

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