ZnO nanotube waveguide arrays on graphene films for local optical excitation on biological cells

Hyeonjun Baek, Hankyul Kwak, Minho S. Song, Go Eun Ha, Jongwoo Park, Youngbin Tchoe, Jerome K. Hyun, Hye Yoon Park, Eunji Cheong, Gyu Chul Yi

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We report on scalable and position-controlled optical nanoprobe arrays using ZnO nanotube waveguides on graphene films for use in local optical excitation. For the waveguide fabrication, position-controlled and well-ordered ZnO nanotube arrays were grown on chemical vapor deposited graphene films with a submicron patterned mask layer and Au prepared between the interspace of nanotubes. Mammalian cells were cultured on the nanotube waveguide arrays and were locally excited by light illuminated through the nanotubes. Fluorescence and optogenetic signals could be excited through the optical nanoprobes. This method offers the ability to investigate cellular behavior with a high spatial resolution that surpasses the current limitation.

Original languageEnglish
Article number046106
JournalAPL Materials
Volume5
Issue number4
DOIs
Publication statusPublished - 2017 Apr 1

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Graphite
Photoexcitation
Graphene
Nanotubes
Waveguides
Nanoprobes
Masks
Fluorescence
Vapors
Cells
Fabrication

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Engineering(all)

Cite this

Baek, H., Kwak, H., Song, M. S., Ha, G. E., Park, J., Tchoe, Y., ... Yi, G. C. (2017). ZnO nanotube waveguide arrays on graphene films for local optical excitation on biological cells. APL Materials, 5(4), [046106]. https://doi.org/10.1063/1.4981646
Baek, Hyeonjun ; Kwak, Hankyul ; Song, Minho S. ; Ha, Go Eun ; Park, Jongwoo ; Tchoe, Youngbin ; Hyun, Jerome K. ; Park, Hye Yoon ; Cheong, Eunji ; Yi, Gyu Chul. / ZnO nanotube waveguide arrays on graphene films for local optical excitation on biological cells. In: APL Materials. 2017 ; Vol. 5, No. 4.
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Baek, H, Kwak, H, Song, MS, Ha, GE, Park, J, Tchoe, Y, Hyun, JK, Park, HY, Cheong, E & Yi, GC 2017, 'ZnO nanotube waveguide arrays on graphene films for local optical excitation on biological cells', APL Materials, vol. 5, no. 4, 046106. https://doi.org/10.1063/1.4981646

ZnO nanotube waveguide arrays on graphene films for local optical excitation on biological cells. / Baek, Hyeonjun; Kwak, Hankyul; Song, Minho S.; Ha, Go Eun; Park, Jongwoo; Tchoe, Youngbin; Hyun, Jerome K.; Park, Hye Yoon; Cheong, Eunji; Yi, Gyu Chul.

In: APL Materials, Vol. 5, No. 4, 046106, 01.04.2017.

Research output: Contribution to journalArticle

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