26 August 2015 Enhanced brightness from all solution processable biopolymer LED
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Biopolymer light emitting diodes were fabricated by using all solution processable polymers incorporating biomaterials such as deoxyribonucleic acid lipid complex as an electron blocking layer. Light emission is from a blend of fluorene based copolymers. The devices with electron blocking layer exhibited higher brightness and luminous efficiency. The increased luminance of the multilayer polymer LED is attributed to the contribution from DNA:CTMA as electron blocking layer and PFN, a derivative of polyfluorene, as electron injection layer. Our results show four fold increase in luminance values when DNA is used as electron blocking layer.
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C. Pradeep, C. Pradeep, M. A. G. Namboothiry, M. A. G. Namboothiry, C. P. G. Vallabhan, C. P. G. Vallabhan, P. Radhakrishnan, P. Radhakrishnan, V. P. N. Nampoori, V. P. N. Nampoori, } "Enhanced brightness from all solution processable biopolymer LED", Proc. SPIE 9557, Nanobiosystems: Processing, Characterization, and Applications VIII, 95570O (26 August 2015); doi: 10.1117/12.2190836; https://doi.org/10.1117/12.2190836

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