Hierarchical Materials Design by Pattern Transfer Printing of Self-Assembled Binary Nanocrystal Superlattices

Taejong Paik, Hongseok Yun, Blaise Fleury, Sung Hoon Hong, Pil Sung Jo, Yaoting Wu, Soong Ju Oh, Matteo Cargnello, Haoran Yang, Christopher B. Murray, Cherie R. Kagan

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

We demonstrate the fabrication of hierarchical materials by controlling the structure of highly ordered binary nanocrystal superlattices (BNSLs) on multiple length scales. Combinations of magnetic, plasmonic, semiconducting, and insulating colloidal nanocrystal (NC) building blocks are self-assembled into BNSL membranes via the liquid-interfacial assembly technique. Free-standing BNSL membranes are transferred onto topographically structured poly(dimethylsiloxane) molds via the Langmuir-Schaefer technique and then deposited in patterns onto substrates via transfer printing. BNSLs with different structural motifs are successfully patterned into various meso- and microstructures such as lines, circles, and even three-dimensional grids across large-area substrates. A combination of electron microscopy and grazing incidence small-angle X-ray scattering (GISAXS) measurements confirm the ordering of NC building blocks in meso- and micropatterned BNSLs. This technique demonstrates structural diversity in the design of hierarchical materials by assembling BNSLs from NC building blocks of different composition and size by patterning BNSLs into various size and shape superstructures of interest for a broad range of applications.

Original languageEnglish
Pages (from-to)1387-1394
Number of pages8
JournalNano Letters
Volume17
Issue number3
DOIs
Publication statusPublished - 2017 Mar 8

Fingerprint

Superlattices
printing
Nanocrystals
superlattices
Printing
nanocrystals
membranes
Membranes
Molds
Substrates
Polydimethylsiloxane
assembling
X ray scattering
grazing incidence
Electron microscopy
electron microscopy
assembly
incidence
grids
Fabrication

Keywords

  • binary superlattices
  • liquid interfacial assembly
  • nanocrystals
  • self-assembly
  • Transfer patterning

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

Paik, T., Yun, H., Fleury, B., Hong, S. H., Jo, P. S., Wu, Y., ... Kagan, C. R. (2017). Hierarchical Materials Design by Pattern Transfer Printing of Self-Assembled Binary Nanocrystal Superlattices. Nano Letters, 17(3), 1387-1394. https://doi.org/10.1021/acs.nanolett.6b04279

Hierarchical Materials Design by Pattern Transfer Printing of Self-Assembled Binary Nanocrystal Superlattices. / Paik, Taejong; Yun, Hongseok; Fleury, Blaise; Hong, Sung Hoon; Jo, Pil Sung; Wu, Yaoting; Oh, Soong Ju; Cargnello, Matteo; Yang, Haoran; Murray, Christopher B.; Kagan, Cherie R.

In: Nano Letters, Vol. 17, No. 3, 08.03.2017, p. 1387-1394.

Research output: Contribution to journalArticle

Paik, T, Yun, H, Fleury, B, Hong, SH, Jo, PS, Wu, Y, Oh, SJ, Cargnello, M, Yang, H, Murray, CB & Kagan, CR 2017, 'Hierarchical Materials Design by Pattern Transfer Printing of Self-Assembled Binary Nanocrystal Superlattices', Nano Letters, vol. 17, no. 3, pp. 1387-1394. https://doi.org/10.1021/acs.nanolett.6b04279
Paik, Taejong ; Yun, Hongseok ; Fleury, Blaise ; Hong, Sung Hoon ; Jo, Pil Sung ; Wu, Yaoting ; Oh, Soong Ju ; Cargnello, Matteo ; Yang, Haoran ; Murray, Christopher B. ; Kagan, Cherie R. / Hierarchical Materials Design by Pattern Transfer Printing of Self-Assembled Binary Nanocrystal Superlattices. In: Nano Letters. 2017 ; Vol. 17, No. 3. pp. 1387-1394.
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