Wafer-scale colloidal lithography based on self-assembly of polystyrene nanospheres and atomic layer deposition

Jeong Rok Oh, Jung Ho Moon, Hoo Keun Park, Jae Hyoung Park, Haegeun Chung, Jinhoo Jeong, Woong Kim, Young Rag Do

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

This paper reports a facile and robust wafer-scale colloidal lithography using polystyrene nanospheres. This technique is based on a combination of two simple and scalable processes: the self-assembly of polystyrene nanospheres by spin coating and the atomic layer deposition. Patterns, such as two dimensional hole-arrays, can be routinely fabricated over 4 inch diameter wafers owing to high reproducibility of this novel method. The hole size and pitch can be controlled by heat treatment and the use of polystyrene nanospheres with different diameters, respectively. We demonstrate five- to ten-fold enhancement in the photoluminescence of phosphor films by constructing two dimensional SiNx photonic crystals on the films using this technique. It is expected that atomic layer deposition assisted polystyrene colloidal lithography would be incorporated easily in the mass fabrication of optoelectronic devices, such as light emitting diodes.

Original languageEnglish
Pages (from-to)5025-5029
Number of pages5
JournalJournal of Materials Chemistry
Volume20
Issue number24
DOIs
Publication statusPublished - 2010 Jun 21

Fingerprint

Atomic layer deposition
Nanospheres
Polystyrenes
Self assembly
Lithography
Spin coating
Photonic crystals
Optoelectronic devices
Phosphors
Light emitting diodes
Photoluminescence
Heat treatment
Fabrication

ASJC Scopus subject areas

  • Materials Chemistry
  • Chemistry(all)

Cite this

Oh, J. R., Moon, J. H., Park, H. K., Park, J. H., Chung, H., Jeong, J., ... Do, Y. R. (2010). Wafer-scale colloidal lithography based on self-assembly of polystyrene nanospheres and atomic layer deposition. Journal of Materials Chemistry, 20(24), 5025-5029. https://doi.org/10.1039/b927532k

Wafer-scale colloidal lithography based on self-assembly of polystyrene nanospheres and atomic layer deposition. / Oh, Jeong Rok; Moon, Jung Ho; Park, Hoo Keun; Park, Jae Hyoung; Chung, Haegeun; Jeong, Jinhoo; Kim, Woong; Do, Young Rag.

In: Journal of Materials Chemistry, Vol. 20, No. 24, 21.06.2010, p. 5025-5029.

Research output: Contribution to journalArticle

Oh, Jeong Rok ; Moon, Jung Ho ; Park, Hoo Keun ; Park, Jae Hyoung ; Chung, Haegeun ; Jeong, Jinhoo ; Kim, Woong ; Do, Young Rag. / Wafer-scale colloidal lithography based on self-assembly of polystyrene nanospheres and atomic layer deposition. In: Journal of Materials Chemistry. 2010 ; Vol. 20, No. 24. pp. 5025-5029.
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