Prof. Gang Logan Liu Profile

Prof. Gang Logan Liu

Assistant Research Professor at Univ of Illinois

SPIE Involvement:

Author

Publications (21)

Proceedings Article | 5 September 2019 Presentation + Paper

Nanostructures for enhancing the SERS signal of a graphene monolayer in water and visible light absorption in a graphene monolayer

G. Veronis, A. Mahigir, T.-W. Chang, A. Behnam, G. Liu, M. Gartia

Proceedings Volume 11081, 110810V (2019) https://doi.org/10.1117/12.2529621

KEYWORDS: Graphene, Absorption, Nanostructures, Dielectrics, Visible radiation, Surface enhanced Raman spectroscopy, Plasmonics, Reflectors, Raman spectroscopy, Mirrors

Read Abstract +

Proceedings Article | 21 February 2017 Paper

Enhancing resolution and contrast in second-harmonic generation microscopy using an advanced maximum likelihood estimation restoration method

Mayandi Sivaguru, Mohammad Kabir, Manas Ranjan Gartia, David S. Biggs, Barghav Sivaguru, Vignesh Sivaguru, Zachary Berent, Amy Wagoner Johnson, Glenn Fried, Gang Logan Liu, Sakthivel Sadayappan, Kimani Toussaint

Proceedings Volume 10069, 1006908 (2017) https://doi.org/10.1117/12.2256534

KEYWORDS: Second-harmonic generation, Microscopy, Spatial resolution, Image resolution, Image restoration, Image processing, Point spread functions, Gold, Nanoparticles, Signal processing

Read Abstract +

Proceedings Article | 17 February 2017 Presentation + Paper

Intensified surface enhanced Raman signal of a graphene monolayer on a plasmonic substrate through the use of fluidic dielectrics

A. Mahigir, M. R. Gartia, T.-W. Chang, G. L. Liu, G. Veronis

Proceedings Volume 10080, 1008005 (2017) https://doi.org/10.1117/12.2252614

KEYWORDS: Graphene, Surface enhanced Raman spectroscopy, Raman spectroscopy, Plasmonics, Signal detection, Dielectrics, Light-matter interactions, Raman scattering, Active plasmonics, Electromagnetic simulation, Nanostructures, Water, Silver, Nanoparticles

Read Abstract +

Proceedings Article | 22 April 2016 Paper

Nanoparticle-nanocup hybrid array structure with a tunable sensitivity for colorimetric biosensing

Sujin Seo, Gang Liu

Proceedings Volume 9725, 97250D (2016) https://doi.org/10.1117/12.2211205

KEYWORDS: Plasmonics, Refractive index, Molecular self-assembly, Biosensing, Gold, Nanolithography, Colorimetry, Plasmons, Spectroscopes, Proteins, Nanoparticles, Neptunium, Nanostructures, Target detection, Sensors, Molecules

Read Abstract +

Proceedings Article | 7 March 2014 Paper

One step lithography-less silicon nanomanufacturing for low cost high-efficiency solar cell production

Yi Chen, Logan Liu

Proceedings Volume 8974, 89740U (2014) https://doi.org/10.1117/12.2041158

KEYWORDS: Silicon, Solar cells, Absorption, Semiconducting wafers, Amorphous silicon, Antireflective coatings, Ions, Nanostructures, Oxides, Silicon films

Read Abstract +

Proceedings Article | 3 March 2014 Paper

Low-cost, high-sensitivity SERS nano-bio-chip for kinase profiling, drug monitoring and environmental detection: a translational platform technology

Yi Chen, Logan Liu

Proceedings Volume 8957, 895702 (2014) https://doi.org/10.1117/12.2041115

KEYWORDS: Surface enhanced Raman spectroscopy, Molecules, Raman spectroscopy, Profiling, Silver, Gold, Molecular spectroscopy, Luminescence, Sensors, Proteins

Read Abstract +

Proceedings Article | 10 October 2012 Paper

Light trapping and enhancing gold nanoparticle array substrates made by thermal dewetting technique

T. Chang, H. Jin, G. Liu

Proceedings Volume 8460, 84600N (2012) https://doi.org/10.1117/12.930035

KEYWORDS: Surface enhanced Raman spectroscopy, Gold, Nanostructuring, Particles, Silver, Dewetting, Silicon, Metals, Nanolithography, Etching

Read Abstract +

Proceedings Article | 23 September 2011 Paper

Fabrication and optical characterization of nanopore Si

Hyunjong Jin, Logan Gang Liu

Proceedings Volume 8102, 810211 (2011) https://doi.org/10.1117/12.893663

KEYWORDS: Etching, Silicon, Nanolithography, Nanostructures, Reflection, Aluminum, Photomasks, Deep reactive ion etching, Reactive ion etching, Scanning electron microscopy

Read Abstract +

Proceedings Article | 21 September 2011 Paper

Device properties of nanopore PN junction Si for photovoltaic application

Hyunjong Jin, Te Wei Chang, Logan Gang Liu

Proceedings Volume 8111, 811118 (2011) https://doi.org/10.1117/12.893647

KEYWORDS: Silicon, Photovoltaics, Etching, Nanostructures, Solar cells, Metals, Nanolithography, Absorption, Reflection, Deep reactive ion etching

Read Abstract +

Proceedings Article | 21 September 2011 Paper

Optical characterization of nanopillar black silicon for plasmonic and Solar cell application

M. Gartia, Y. Chen, Z. Xu, Y. Bordain, J. Eichorst, J. Mabon, J. A. N. de Soares, R. Clegg, G. Liu

Proceedings Volume 8096, 80962B (2011) https://doi.org/10.1117/12.892851

KEYWORDS: Silicon, Plasmonics, Reflectivity, Luminescence, Raman spectroscopy, Etching, Silver, Glasses, Surface enhanced Raman spectroscopy, Oxides

Read Abstract +

Proceedings Article | 21 September 2011 Paper

Optical properties of metal coated nanoscrew Si

Hyunjong Jin, Logan Gang Liu

Proceedings Volume 8096, 809630 (2011) https://doi.org/10.1117/12.893657

KEYWORDS: Silicon, Nanostructures, Metals, Raman scattering, Photovoltaics, Plasmonics, Nanoparticles, Optical properties, Nanolithography, Reflection

Read Abstract +

Proceedings Article | 13 September 2011 Paper

Nanoplasmon coupled intracellular optical resonance excitation for ultrasensitive 3D fluorescence cell imaging

Manas Ranjan Gartia, Austin Hsiao, Mayandi Sivaguru, Yi Chen, G. Logan Liu

Proceedings Volume 8099, 80990T (2011) https://doi.org/10.1117/12.893128

KEYWORDS: Luminescence, Nanoplasmonics, Silver, Confocal microscopy, Metals, Resonance enhancement, 3D image processing, Near field optics, 3D image enhancement, Surface plasmons

Read Abstract +

Proceedings Article | 13 September 2011 Paper

Surface enhanced Raman spectroscopy and fluorescence based on black silver

Zhida Xu, Jing Jiang, Yi Chen, Manas Gartia, Gang Logan Liu

Proceedings Volume 8099, 80990W (2011) https://doi.org/10.1117/12.892296

KEYWORDS: Silver, Silicon, Luminescence, Surface enhanced Raman spectroscopy, Reflectivity, Photons, Semiconducting wafers, Plasmons, Raman scattering, Near infrared

Read Abstract +

Proceedings Article | 1 March 2011 Paper

Investigation of the nonlinear optical response from arrays of Au bowtie nanoantennas

Kaspar Ko, Anil Kumar, Kin Hung Fung, Raghu Ambekar, Gang Logan Liu, Nicholas Fang, Kimani Toussaint

Proceedings Volume 7946, 794626 (2011) https://doi.org/10.1117/12.875309

KEYWORDS: Polarization, Second-harmonic generation, Gold, Near field optics, Resonance enhancement, Near field, Antennas, Particles, Nonlinear optics, Nanoantennas

Read Abstract +

SPIE Journal Paper | 1 January 2011

Nanoreplicated positive and inverted submicrometer polymer pyramid array for surface-enhanced Raman spectroscopy

Zhida Xu, Hsin-Yu Wu, Syed Usman Ali, Jing Jiang, Brian Cunningham, Logan Liu

JNP, Vol. 5, Issue 01, 053526, (January 2011) https://doi.org/10.1117/12.10.1117/1.3663259

KEYWORDS: Surface enhanced Raman spectroscopy, Polymers, Silicon, Reflection, Raman spectroscopy, Gold, Metals, Finite-difference time-domain method, Plasmons, Raman scattering

Read Abstract +