Hybrid plasmonic Au-TiN vertically aligned nanocomposites

A nanoscale platform towards tunable optical sensing

Xuejing Wang, Jie Jian, Susana Diaz-Amaya, Cindy E. Kumah, Ping Lu, Jijie Huang, Daw Gen Lim, Vilas G. Pol, Jeffrey P. Youngblood, Alexandra Boltasseva, Lia A. Stanciu, Deirdre M O'Carroll, Xinghang Zhang, Haiyan Wang

Research output: Contribution to journalArticle

Abstract

Tunable plasmonic structure at the nanometer scale presents enormous opportunities for various photonic devices. In this work, we present a hybrid plasmonic thin film platform: i.e., a vertically aligned Au nanopillar array grown inside a TiN matrix with controllable Au pillar density. Compared to single phase plasmonic materials, the presented tunable hybrid nanostructures attain optical flexibility including gradual tuning and anisotropic behavior of the complex dielectric function, resonant peak shifting and change of surface plasmon resonances (SPRs) in the UV-visible range, all confirmed by numerical simulations. The tailorable hybrid platform also demonstrates enhanced surface plasmon Raman response for Fourier-transform infrared spectroscopy (FTIR) and photoluminescence (PL) measurements, and presents great potentials as designable hybrid platforms for tunable optical-based chemical sensing applications.

Original languageEnglish
Pages (from-to)1045-1054
Number of pages10
JournalNanoscale Advances
Volume1
Issue number3
DOIs
Publication statusPublished - Jan 1 2019

Fingerprint

Photonic devices
Surface plasmon resonance
Fourier transform infrared spectroscopy
Nanostructures
Nanocomposites
Photoluminescence
nanocomposites
platforms
Tuning
Thin films
Computer simulation
surface plasmon resonance
flexibility
infrared spectroscopy
tuning
photonics
photoluminescence
matrices
thin films
simulation

ASJC Scopus subject areas

  • Engineering(all)
  • Bioengineering
  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Chemistry(all)

Cite this

Wang, X., Jian, J., Diaz-Amaya, S., Kumah, C. E., Lu, P., Huang, J., ... Wang, H. (2019). Hybrid plasmonic Au-TiN vertically aligned nanocomposites: A nanoscale platform towards tunable optical sensing. Nanoscale Advances, 1(3), 1045-1054. https://doi.org/10.1039/c8na00306h

Hybrid plasmonic Au-TiN vertically aligned nanocomposites : A nanoscale platform towards tunable optical sensing. / Wang, Xuejing; Jian, Jie; Diaz-Amaya, Susana; Kumah, Cindy E.; Lu, Ping; Huang, Jijie; Lim, Daw Gen; Pol, Vilas G.; Youngblood, Jeffrey P.; Boltasseva, Alexandra; Stanciu, Lia A.; O'Carroll, Deirdre M; Zhang, Xinghang; Wang, Haiyan.

In: Nanoscale Advances, Vol. 1, No. 3, 01.01.2019, p. 1045-1054.

Research output: Contribution to journalArticle

Wang, X, Jian, J, Diaz-Amaya, S, Kumah, CE, Lu, P, Huang, J, Lim, DG, Pol, VG, Youngblood, JP, Boltasseva, A, Stanciu, LA, O'Carroll, DM, Zhang, X & Wang, H 2019, 'Hybrid plasmonic Au-TiN vertically aligned nanocomposites: A nanoscale platform towards tunable optical sensing', Nanoscale Advances, vol. 1, no. 3, pp. 1045-1054. https://doi.org/10.1039/c8na00306h
Wang, Xuejing ; Jian, Jie ; Diaz-Amaya, Susana ; Kumah, Cindy E. ; Lu, Ping ; Huang, Jijie ; Lim, Daw Gen ; Pol, Vilas G. ; Youngblood, Jeffrey P. ; Boltasseva, Alexandra ; Stanciu, Lia A. ; O'Carroll, Deirdre M ; Zhang, Xinghang ; Wang, Haiyan. / Hybrid plasmonic Au-TiN vertically aligned nanocomposites : A nanoscale platform towards tunable optical sensing. In: Nanoscale Advances. 2019 ; Vol. 1, No. 3. pp. 1045-1054.
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