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  • Title: New Horizons for Perovskite Solar Cells Employing DNA-CTMA as the Hole-Transporting Material.
    Author: Yusoff AR, Kim J, Jang J, Nazeeruddin MK.
    Journal: ChemSusChem; 2016 Jul 07; 9(13):1736-42. PubMed ID: 27167727.
    Abstract:
    We investigate solution-processed low-temperature lead-halide perovskite solar cells employing deoxyribose nucleic acid (DNA)-hexadecyl trimethyl ammonium chloride (CTMA) as the hole-transport layer and (6,6)-phenyl C61 -butyric acid methyl ester (PCBM) as electron-acceptor layer in an inverted p-i-n device configuration. The perovskite solar cells utilizing a bio-based charge-transport layer demonstrate power conversion efficiency values of 15.86 %, with short-circuit current density of 20.85 mA cm(-2) , open circuit voltage of 1.04 V, and fill factor of 73.15 %, and improved lifetime. DNA-based devices maintained above 85 % of the initial efficiency after 50 days in air.
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