Printable and Rewritable Full Block Copolymer Structural Color

Han Sol Kang, Jinseong Lee, Suk Man Cho, Tae Hyun Park, Min Ju Kim, Chanho Park, Seung Won Lee, Kang Lib Kim, Du Yeol Ryu, June Huh, Edwin L. Thomas, Cheolmin Park

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Structural colors (SCs) of photonic crystals (PCs) arise from selective constructive interference of incident light. Here, an ink-jet printable and rewritable block copolymer (BCP) SC display is demonstrated, which can be quickly written and erased over 50 times with resolution nearly equivalent to that obtained with a commercial office ink-jet printer. Moreover, the writing process employs an easily modified printer for position- and concentration-controlled deposition of a single, colorless, water-based ink containing a reversible crosslinking agent, ammonium persulfate. Deposition of the ink onto a self-assembled BCP PC film comprising a 1D stack of alternating layers enables differential swelling of the written BCP film and produces a full-colored SC display of characters and images. Furthermore, the information can be readily erased and the system can be reset by application of hydrogen bromide. Subsequently, new information can be rewritten, resulting in a chemically rewritable BCP SC display.

Original languageEnglish
Article number1700084
JournalAdvanced Materials
Volume29
Issue number29
DOIs
Publication statusPublished - 2017 Aug 4

Fingerprint

Block copolymers
Ink
Color
Display devices
Photonic crystals
Hydrobromic Acid
Ink jet printers
Ammonium persulfate
Crosslinking
Swelling
Hydrogen
Water

Keywords

  • ammonium persulfate
  • block copolymers
  • full-colored photonic crystals
  • ink-jet printing
  • printable structural color
  • reversible crosslinking
  • rewritable structural color

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Kang, H. S., Lee, J., Cho, S. M., Park, T. H., Kim, M. J., Park, C., ... Park, C. (2017). Printable and Rewritable Full Block Copolymer Structural Color. Advanced Materials, 29(29), [1700084]. https://doi.org/10.1002/adma.201700084

Printable and Rewritable Full Block Copolymer Structural Color. / Kang, Han Sol; Lee, Jinseong; Cho, Suk Man; Park, Tae Hyun; Kim, Min Ju; Park, Chanho; Lee, Seung Won; Kim, Kang Lib; Ryu, Du Yeol; Huh, June; Thomas, Edwin L.; Park, Cheolmin.

In: Advanced Materials, Vol. 29, No. 29, 1700084, 04.08.2017.

Research output: Contribution to journalArticle

Kang, HS, Lee, J, Cho, SM, Park, TH, Kim, MJ, Park, C, Lee, SW, Kim, KL, Ryu, DY, Huh, J, Thomas, EL & Park, C 2017, 'Printable and Rewritable Full Block Copolymer Structural Color', Advanced Materials, vol. 29, no. 29, 1700084. https://doi.org/10.1002/adma.201700084
Kang HS, Lee J, Cho SM, Park TH, Kim MJ, Park C et al. Printable and Rewritable Full Block Copolymer Structural Color. Advanced Materials. 2017 Aug 4;29(29). 1700084. https://doi.org/10.1002/adma.201700084
Kang, Han Sol ; Lee, Jinseong ; Cho, Suk Man ; Park, Tae Hyun ; Kim, Min Ju ; Park, Chanho ; Lee, Seung Won ; Kim, Kang Lib ; Ryu, Du Yeol ; Huh, June ; Thomas, Edwin L. ; Park, Cheolmin. / Printable and Rewritable Full Block Copolymer Structural Color. In: Advanced Materials. 2017 ; Vol. 29, No. 29.
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