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Selected Publications

Chenhui Peng, Yubing Guo, Taras Turiv, Miao Jiang, Qi-Huo Wei, Oleg. D Lavrentovich, “Patterning of Lyotropic Chromonic Liquid Crystals by Photoalignment with Photonic Metamasks” Advanced Materials, (in Press) 2017

Matthew S. Lehnert, Andrew Bennett, Kristen E. Reiter, Patrick D. Gerard, Qi-Huo Wei, Miranda Byler, Huan Yan, Wah-Keat Lee “Mouthpart conduit sizes of fluid-feeding insects determine the ability to feed from pores” Proceedings of The Royal Society B 284, 20162026 (2017)

Yubing Guo, Miao Jiang, Chenhui Peng, Kai Sun, Oleg Yaroshchuk, Oleg D Lavrentovich, Qi-Huo Wei “Designs of Plasmonic Metamasks for Photopatterning Molecular Orientations in Liquid Crystals” Crystals 7, 8(2017)

Chenhui Peng, Taras Turiv, Yubing Guo, Qi-Huo Wei, Oleg. D Lavrentovich, “Command of active matter by topological defects and patterns” Science 354, 882-885(2016)

Chenhui Peng, Taras Turiv, Yubing Guo, Sergei V Shiyanovskii, Qi-Huo Wei, Oleg D Lavrentovich “Control of colloidal placement by modulated molecular orientation in nematic cells” Science Advances 2, e1600932(2016)           

Yubing Guo, Miao Jiang, Chenhui Peng, Kai Sun, Oleg Yaroshchuk, Oleg Lavrentovich, Qi-Huo Wei “High‐Resolution and High‐Throughput Plasmonic Photopatterning of Complex Molecular Orientations in Liquid Crystals” Advanced Materials 28, 2353–2358(2016)

Yubing Guo, S. Afghah, Jie Xiang, Oleg D Lavrentovich, Robin L. B. Selinger, Qi-Huo Wei, “Cholesteric liquid crystals in rectangular microchannels: skyrmions and stripes” Soft Matter 12, 6312-6320(2016)           

Ayan Chakrabarty, Feng Wang, Kai Sun, Qi-Huo Wei, “Effects of translation–rotation coupling on the displacement probability distribution functions of boomerang colloidal particles” Soft matter 12, 4318-4323(2016)

Chenhui Peng, Yubing Guo, Christopher Conklin, Jorge Viñals, Sergij V Shiyanovskii, Qi-Huo Wei, Oleg D Lavrentovich, “Liquid crystals with patterned molecular orientation as an electrolytic active medium” Physical Review E 92, 052502(2015)

Feng Wang, Qi-Huo Wei, Han Htoon, “Switchable and non-switchable zero backscattering of dielectric nano-resonators” Optical Materials Express 5, 668-675(2015)

Feng Wang, Qi-Huo Wei, Han Htoon, “Generation of steep phase anisotropy with zero-backscattering by arrays of coupled dielectric nano-resonators” Applied Physics Letters 105, 121112 (2014)

Ayan Chakrabarty, Andrew Konya, Feng Wang, Jonathan V. Selinger, Kai Sun, and Qi-Huo Wei, “Brownian Motion of Arbitrarily Shaped Particles in Two Dimensions”, Langmuir, 30, 13844–13853 (2014).

Fred Minkowski, Feng Wang, Ayan Chakrabarty, Qi-Huo Wei, “Resonant Cavity Modes of Circular Plasmonic Patch Nanoantennas”, Appl. Phys. Lett. 104, 021111 (2014).

Ayan Chakrabarty, Andrew Konya, Feng Wang, Jonathan V. Selinger, Kai Sun, Qi-Huo Wei, “Brownian Motion of Boomerang Colloidal Particles”, Phys. Rev. Lett. 111, 160603 (2013).

Ayan Chakrabarty, Feng Wang, Chun-Zhen Fan, Kai Sun, and Qi-Huo Wei, “High-Precision Tracking of Brownian Boomerang Colloidal Particles Confined in Quasi Two Dimensions”, Langmuir 29, 14396–14402 (2013).

Feng Wang, Ayan Chakrabarty, Fred Minkowski, Kai Sun, Qi-Huo Wei, “Polarization conversion with elliptical patch nanoantennas”, Appl. Phys. Lett. 101, 023101 (2012).

Ayan Chakrabarty, Feng Wang, Fred Minkowski, Kai Sun, Qi-Huo Wei  “Cavity modes and their excitations in elliptical plasmonic patch nanoantennas” Opt. Express 20, 11615-11624 (2012)

Bhuwan Joshi, Ayan Chakrabarty, Qi-Huo Wei, “Numerical Studies of Metal–Dielectric–Metal Nanoantennas”, IEEE Trans. in Nanotechnology 9, 701-707 (2010).

Bhuwan Joshi, Ayan Chakrabarty, Christopher Bruot, Hannah Ainsworth, Gail Fraizer, and Qi-Huo Wei, “DNA-WT1 Protein Interaction Studied by Surface Enhanced Raman Spectroscopy”, Anal. Bioanal. Chem. 396, 1415-1421 (2010).

Feng Wang, Min Xiao, Kai Sun, Qi-Huo Wei, “Generation of Radially and Azimuthally Polarized Light through Concentric Circular Nanoslits in Ag Films” Opt. Express 18, 63-71 (2010).

B. P. Joshi, Q. H. Wei, “Cavity Resonances of Metal-Dielectric-Metal Nanoantennas”, Opt. Express 16, 10315(2008).
 
F. S. Zhou, and Q. H. Wei, “Scaling Laws for NanoFET Sensors”, Nanotechnology 19, 015504 (2008)

J. Gu, R. Gupta, C. -F. Chou, Q. -H. Wei and Frederic Zenhausern,  “A simple Polysilsesquioxane Sealing of Nanofluidic Channels below 10 nm at Room Temperature”, Lab-on-a Chip 7, 1198 (2007).

K.-H. Su, Q. -H. Wei, X. Zhang, “Tunable and Augmented Plasmon Resonances of Au/SiO2 Nanodisks”, Appl. Phys. Lett. 88, 063118 (2006).

Z. W. Liu, Q. -H. Wei, X. Zhang, “Surface Plasmon Interference Nanolithography (SPIN)”, NanoLett., 5, 957-961 (2005).

Q.-H. Wei, K.-H. Su, S. Durant, X. Zhang, “Plasmon Resonance of Finite One-dimensional Nano Au Particle Chains”, NanoLett. 4, 1067 (2004).

Q.-H. Wei and X. L. Wu, “Grain Boundary Dynamics under Mechanical Annealing in Two-dimensional Colloids”, Phys. Rev. E 70: 020401 (2004).

K.-H. Su, Q.-H. Wei, X. Zhang, J. Mock, D. R. Smith, and S. Schultz, “Interparticle Coupling Effects on Plasmon Resonances of Nano Metallic Particles”, NanoLett.  3, 1087 (2003).

Q. H. Wei, C. Demid, X. L. Wu, “Controlled assembly of 2D colloidal crystals with mechanic annealing”, Appl. Phys. Lett. 77, 1641 (2000).

C. Bechinger, Q. H. Wei, P. Leiderer, “Reentrant melting of two-dimensional colloidal systems”, J. Phys.: Condens. Matter 12, A425 (2000).

Q. H. Wei, C. Bechinger, P. Leiderer, “Single-file diffusion of colloids in one-dimensional channels”, Science 287, 625(2000).

Q. H. Wei, C. Bechinger, D. Rudhardt, P. Leiderer, “Experimental study of laser induced melting in two-dimensional colloids”,  Phys. Rev. Lett.  81, 2606 (1998).