In situ capping for size control of monochalcogenide (ZnS, CdS and SnS) nanocrystals produced by anaerobic metal-reducing bacteria

Gyoung Gug Jang, Christopher B. Jacobs, Ilia N. Ivanov, Pooran C. Joshi, Harry M. Meyer, Michelle Kidder, Beth L. Armstrong, Panos G. Datskos, David E. Graham, Ji Won Moon

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Metal monochalcogenide quantum dot nanocrystals of ZnS, CdS and SnS were prepared by anaerobic, metal-reducing bacteria using in situ capping by oleic acid or oleylamine. The capping agent preferentially adsorbs on the surface of the nanocrystal, suppressing the growth process in the early stages, thus leading to production of nanocrystals with a diameter of less than 5 nm.

Original languageEnglish
Article number325602
JournalNanotechnology
Volume26
Issue number32
DOIs
StatePublished - Aug 14 2015

Keywords

  • biosynthesis
  • monochalcogenide
  • nanocrystal
  • quantum dot

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