Insights into the crystal packing interactions of a 960-nm-emissive DNA-stabilized silver nanocluster

Giacomo Romolini; Hiroki Kanazawa; Simon Wentzel Lind; Cecilia Cerretani; Christian Brinch Mollerup; Letizia Liccardo; Zhiyu Huang; Leila Lo Leggio; Vanessa Rück; Jiro Kondo; Tom Vosch

doi:10.1039/D5CC06634D

Insights into the crystal packing interactions of a 960-nm-emissive DNA-stabilized silver nanocluster

Giacomo Romolini,

†^a Hiroki Kanazawa,

†^b Simon Wentzel Lind,

^a Cecilia Cerretani,

^a Christian Brinch Mollerup,

^c Letizia Liccardo,

^a Zhiyu Huang,

^a Leila Lo Leggio,

^a Vanessa Rück,

^a Jiro Kondo

*^b and Tom Vosch

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, University of Copenhagen, Universitetsparken 5, Copenhagen, Denmark
E-mail: tom@chem.ku.dk

^b Department of Materials and Life Sciences, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, Japan
E-mail: j.kondo@sophia.ac.jp

^c Department of Forensic Medicine, University of Copenhagen, Frederik V's Vej 11, Copenhagen, Denmark

Abstract

DNA-stabilized silver nanoclusters (DNA-AgNCs) can be finely tuned through DNA sequence design. Here, we present mutations in a DNA strand that stabilize an [Ag₂₈Cl₂]¹⁴⁺ cluster, which remains largely unaltered, as confirmed by spectroscopy and mass spectrometry. The crystal structure of one mutant further reveals previously unseen packing interactions among DNA-AgNCs.

Chemical Communications

Insights into the crystal packing interactions of a 960-nm-emissive DNA-stabilized silver nanocluster

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Insights into the crystal packing interactions of a 960-nm-emissive DNA-stabilized silver nanocluster

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