Three-Dimensional Uracil Network with Sodium as a Linker

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Original languageEnglish
Pages (from-to)26342-26349
Number of pages8
JournalJOURNAL OF PHYSICAL CHEMISTRY C
Volume120
Issue number46
StatePublished - 24 Nov 2016
MoE publication typeA1 Journal article-refereed

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Abstract

Here we show that uracil and sodium form a three-dimensional metal-mediated nucleic acid network; it is grown in atomic/molecular layer-by-layer manner using the atomic/molecular layer deposition (ALD/MLD) thin-film technique. The long-range ordered Na-uracil crystalline structure is evidenced as sharp Bragg reflections. Based on density functional theory (DFT) calculations, a tetrameric-like crystal structure is proposed. Na-uracil thin films are fluorescent with a lifetime 3 orders of magnitude higher than commonly seen for nucleic acid molecules. Our method provides a new approach to designing 3D nucleic acid-metal nanostructures.

    Research areas

  • ATOMIC LAYER DEPOSITION, RAY CRYSTAL-STRUCTURE, GAS-PHASE, INFRARED-SPECTRA, AQUEOUS-SOLUTION, METAL-SURFACES, EXCITED-STATE, THIN-FILMS, RNA BASES, DNA

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