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

doi:10.1039/c8na00306h

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

Rutgers University

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

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 language	English
Pages (from-to)	1045-1054
Number of pages	10
Journal	Nanoscale Advances
Volume	1
Issue number	3
DOIs	https://doi.org/10.1039/c8na00306h
Publication status	Published - 2019

ASJC Scopus subject areas

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

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Wang, X., Jian, J., Diaz-Amaya, S., Kumah, C. E., Lu, P., Huang, J., Lim, D. G., Pol, V. G., Youngblood, J. P., Boltasseva, A., Stanciu, L. A., O'Carroll, D. M., Zhang, X., & 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, 2019, p. 1045-1054.

Research output: Contribution to journal › Article › peer-review

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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