Quick, controlled synthesis of ultrathin Bi 2Se 3 nanodiscs and nanosheets

Yuho Min, Geon Dae Moon, Bong Soo Kim, Byungkwon Lim, Jin Sang Kim, Chong Yun Kang, Unyong Jeong

Research output: Contribution to journalArticlepeer-review

140 Citations (Scopus)


Ultrathin (4-6 nm) single-crystal Bi 2Se 3 nanodiscs and nanosheets were synthesized through a simple and quick solution process. The growth mechanism was investigated in detail. Crystal seeds grew via 2D self-attachment of small nanoparticles followed by epitaxial recrystallization into single crystals. The lateral dimension of the nanodiscs increased and their shape changed from circles to hexagons as the reaction temperature increased. Positively charged polymer surfactants greatly enlarged the lateral dimension to produce nanosheets with uniform thickness.

Original languageEnglish
Pages (from-to)2872-2875
Number of pages4
JournalJournal of the American Chemical Society
Issue number6
Publication statusPublished - 2012 Feb 15

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry


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