Publications

53) S.R. Wilson-Whitford, J. Gao, J.F. Gilchrist, "Density Matching for Microencapsulation of Field Responsive Suspensions of Non-Brownian Microparticles", Journal of Physical Chemistry B, 2024. (Cover Article)

DOI: 10.1021/acs.jpcb.4c02288

52) A. Mashayekhi, C. Vazquez, H. Zhao, M. Gattrell, J.F. Gilchrist, J.M. Frostad, "Shear-triggered coalescence", Physical Review Fluids, 9 (2), 023602, 2024.

DOI: 10.1103/PhysRevFluids.9.023602

51) S.R. Wilson-Whitford, M.C. Roffin, J. Gao, T. Kaewpetch, J.F. Gilchrist, "Yield stress-enabled microencapsulation of field responsive microparticle suspensions", Soft Matter, 19 (47), 9139-9145, 2023. (Cover Article)

DOI: 10.1039/D3SM00642E

50) S.R. Wilson-Whitford, J. Gao, M.C. Roffin, W.E. Buckley, J.F. Gilchrist, "Microrollers flow uphill as granular media", Nature Communications, 14 (1), 5829, 2023.

DOI: 10.1038/s41467-023-41327-1 (more details here)

49) J.F. Gilchrist, S.R. Wilson-Whitford, "Granular origami", Matter, 6 (4), 1053-1055, 2023.

DOI: 10.1016/j.matt.2023.03.011

48) Jinghui Gao, Samuel R Wilson-Whitford, Sang Eon Han, Sang M Han, James F Gilchrist, "Dynamic Emissivity of Self-Assembled Magnetoresponsive Janus Particle Chain Suspensions", ACS Applied Optical Materials, 1 (1), 430-434, 2023 (Cover Article)

DOI: 10.1021/acsaom.2c00088

47) M.W. Issa, H. Yu, M.C. Roffin, S.V. Barancyk, R.M. Rock, J.F. Gilchrist, C.L. Wirth, "Three-Dimensional Sag Tracking in Falling Liquid Films", Langmuir, 38 (38), 11581-11589, 2022

DOI: 10.1021/acs.langmuir.2c01232

46) S. H. Hoenig, S. Modak, Z. Chen, M. Kaviany, J. F. Gilchrist, and R. W. Bonner, “Role of substrate thermal conductivity and vapor pressure in dropwise condensation”, Applied Thermal Engineering, 178, 115529, 2020.

DOI: 10.1016/j.applthermaleng.2020.115529

45) T. Kaewpetch and J. F. Gilchrist, “Chemical vs. mechanical microstructure evolution in drying colloid and polymer coatings”, Scientific Reports, 10 (1), 1-10, 2020.

DOI: 10.1038/s41598-020-66875-0

44) C. Shen, Z. Jiang, L. Li, J. F. Gilchrist, and H. D. Ou-Yang, “Frequency Response of Induced-Charge Electrophoretic Metallic Janus Particles”, Micromachines, 11 (3), 334, 2020.

DOI: 10.3390/mi11030334

43) K. Joshi and J. F. Gilchrist, “Effect of added surfactant on convective assembly of monosized microspheres”, Applied Physics Letters, 116 (8), 083702, 2020.

DOI: 10.1063/1.5139962

42) J. Song, M. Caggioni, T. M. Squires, J. F. Gilchrist, S. W. Prescott, P. T. Spicer, “Heterogeneity, suspension, and yielding in sparse microfibrous cellulose gels 2. Strain rate-dependent two-fluid behavior”, Rheologica Acta, 58, 5, 231-239, 2019. 

DOI: 10.1007/s00397-019-01141-3

41) J. Song, M. Caggioni, T. M. Squires, J. F. Gilchrist, S. W. Prescott, P. T. Spicer, “Heterogeneity, suspension, and yielding in sparse microfibrous cellulose gels 1. Bubble rheometer studies”, Rheologica Acta, 58, 5, 217-229, 2019. 

DOI: 10.1007/s00397-019-01140-4

40) K. M. Seven, J. M. Cogen, T. Pearson, J. R. Reffner, J. F. Gilchrist, “The effect of inorganic and organic nucleating agents on the electrical breakdown strength of polyethylene”, Journal of Applied Polymer Science, 135 (22), 46325, 2018. 

DOI: 10.1002/app.46325

39) K. Joshi and J. F. Gilchrist, “Estimation of drying length during particle assembly by convective deposition”, Journal of Colloid and Interface Science, 496, 222-227, 2017. 

DOI: j.jcis.2017.01.083

38) A. Weldon, A. Routh, and J. F. Gilchrist, “Uniformly spaced nanoscale cracks in nanoparticle films deposited by convective assembly”, Journal of Colloid and Interface Science, 487, 80-87, 2017.

DOI: 10.1016/j.jcis.2016.09.078

37) K. Seven and J. F. Gilchrist, “Nucleating agents for high density polyethylene - A review”, Polymer Engineering & Science, 56 (5), 541-554, 2016.

DOI: 10.1002/pen.24278

36) X. Li and J. F. Gilchrist, “Large-area Nanoparticle Films by Continuous Automated Langmuir-Blodgett Assembly and Deposition”, Langmuir, 32 (5), 1220-1226, 2016.

DOI: 10.1021/acs.langmuir.5b03760

35) K. Joshi, T. Muangnapoh, M. D. Stever, and J. F. Gilchrist, "Effect of ionic strength and surface charge on convective deposition", Langmuir, 31 (45), 12348-12353, 2015.

DOI: 10.1021/acs.langmuir.5b03109

34) J. Boettcher, M. Joy, T. Muangnapoh, and J. F. Gilchrist, “Characteristic streak spacing during convective deposition” Langmuir, 31 (40), 10935-10938, 2015.

DOI: 10.1021/acs.langmuir.5b02007

33) M. Joy, T. Muangnapoh, M. A. Snyder, and J. F. Gilchrist, “Non-templated flow aligned thin film colloidal crystals”, Soft Matter, 11, 7092, 2015. (Cover article)

DOI: 10.1039/c5sm01076d

32) B. Xu and J. F. Gilchrist, "Microstructure of sheared monosized colloidal suspensions resulting from hydrodynamic and electrostatic interactions", Journal of Chemical Physics, 140, 204903, 2014.

DOI: 10.1063/1.4875589

31) T. Muangnapoh, A. L. Weldon, and J. F. Gilchrist, "Enhanced monolayer deposition via vibration-assisted convective deposition", Applied Physics Letters, 103, 181603, 2013.

DOI: 10.1063/1.4825351

30) X. H. Li, P. Zhu, G. Liu, J. Zhang, R. Song, Y. K. Ee, P. Kumnorkaew, J. F. Gilchrist, and N. Tansu, “Light Extraction Efficiency Enhancement of III-Nitride Light-Emitting Diodes by using 2-D Close-Packed TiO2 Microsphere Arrays”, Journal of Display Technology, 9, 5, 324-332, 2013.

DOI: 10.1109/JDT.2013.2246541

29) P. F. Zhu, P. O. Weigel, G. Y. Liu, J. Zhang, A. L. Weldon, T. Muangnapoh, J. F. Gilchrist, and N. Tansu, “Optimization of Deposition Conditions for Silica / Polystyrene Microlens and Nanolens Arrays for Light Extraction  Enhancement in GaN Light-Emitting Diodes,” Proc. of the SPIE Photonics West 2013, San Francisco, CA, January  2013.

28) Z. Song, E. S. Daniels, E. D. Sudol, M. S. El-Aasser, J. F. Gilchrist, and A. Klein, “Tracking the Fate of Seed Particles in Dispersion Polymerization: Preparation and Application of Fluorescent Polymer Particles”, Journal of Applied Polymer Science, 127, 4, 2635-2640, 2013.

DOI: 10.1002/app.37522

27) A. L. Weldon, P. Kumnorkaew, B. Wang, X. Cheng, and J. F. Gilchrist, “Fabrication of Macroporous Polymeric Membranes through Binary Convective Deposition”, ACS Applied Materials and Interfaces, 4532-4540, 2012. 

DOI: 10.1021/am300785y

26) B. Wang, P. Kumnorkaew, M. Wolfe, A. L. Weldon, J. F. Gilchrist, X. Cheng, “Study of surface nanotopography on immunoaffinity cell capture in microfluidic devices,” Langmuir, 27 (17), 11229-11237, 2011.

DOI: 10.1021/la2015868

25) X. H. Li, R. Song, Y. K. Ee, P. Kumnorkaew, J. F. Gilchrist, and N. Tansu, "Light Extraction Efficiency and Radiation Patterns of III-Nitride Light-Emitting Diodes With Colloidal Microlens Arrays With Various Aspect Ratios", IEEE Photonics Journal, vol. 3 (3), pp. 489-499, June 2011.

DOI: 10.1109/JPHOT.2011.2150745

24) B. Xu and J. F. Gilchrist, “Shear migration and chaotic mixing of particle suspensions in a time-periodic lid-driven cavity”, Physics of Fluids, 22, 053301, 2010.

DOI: 10.1063/1.3394981

23) C. Gao, S. D. Kulkarni, J. F. Morris, and J. F. Gilchrist, “Direct investigation of anisotropic suspension structure in pressure-driven flow”, Physical Review E, 81, 041403, 2010.

DOI: 10.1103/PhysRevE.81.041403

22) P. Kumnorkaew, A. L. Weldon, and J. F. Gilchrist, “Matching constituent fluxes for convective deposition of binary suspensions”, Langmuir, 26 (4), 2401-2405, 2010.

DOI: 10.1021/la902856x

21) R. P. Slopek and J. F. Gilchrist, “Self-assembly of wires in acrylate monomer via nanoparticle dielectrophoresis”, Journal of Physics D- Applied Physics, 43, 045402, 2010.

DOI: 10.1088/0022-3727/43/4/045402

20) Y. K. Ee, P. Kumnorkaew, R. A. Arif, H. Tong, H. Zhao, J. F. Gilchrist, and N. Tansu, “Optimization of light extraction efficiency of III-nitride light emitting diodes with self assembled colloidal-based microlenses”, IEEE Journal Selected Topics in Quantum Electronics, 15 (4), 1218-1225, 2009. 

DOI: 10.1364/OE.17.013747

19) Y. K. Ee, P. Kumnorkaew, R. A. Arif, H. Tong, J. F. Gilchrist, and N. Tansu, "Light extraction efficiency enhancement of InGaN quantum wells light-emitting diodes with polydimethylsiloxane concave microstructures", Optics Express, 17, 16, 13747-13757, 2009. 

DOI: 10.1109/JSTQE.2009.2015580

18) P. Kumnorkaew and J. F. Gilchrist, “Effect of nanoparticle concentration on the convective deposition of binary suspensions”, Langmuir, 25 (11), 6070-6075, 2009.  DOI: 10.1021/la804209m

17) C. Gao, B. Xu, and J. F. Gilchrist, “Mixing and segregation of microspheres in microchannel flows of mono- and bi-dispersed suspensions”, Physical Review E, 79, 036311, 2009.  

DOI: 10.1103/PhysRevE.79.036311

16) Y. K. Ee, P. Kumnorkaew, R. A. Arif, H. Tong, J. F. Gilchrist, and N. Tansu, "The Use of Polydimethylsiloxane Concave Microstructures Arrays to Enhance Light Extraction Efficiency of InGaN Quantum Wells Light-Emitting Diodes", in Proc. of the IEEE/OSA Conference on Lasers and Electro-Optics (CLEO) 2009, Baltimore, MD, May 2009. 

DOI: 10.1364/CLEO.2009.CMOO6

15) Y. K. Ee, P. Kumnorkaew, R. A. Arif, H. Tong, J. F. Gilchrist, and N. Tansu, "Enhancement of Light Extraction Efficiency of InGaN Quantum Wells Light-Emitting Diodes with Polydimethylsiloxane Concave Microstructures", in Proc. of the SPIE Photonics West 2009, LEDs: Materials, Devices, and Applications for Solid State Lighting XIII, San Jose, CA, Jan 2009. 

DOI: 10.1117/12.808600

14) K. J. Ford, J. F. Gilchrist, H. S. Caram, "Transitions to vibro-fluidization in a deep granular bed", Powder Technology, 192, 33, 2009. 

DOI: 10.1016/j.powtec.2008.11.017

13) P. Kumnorkaew, Y. Ee, N. Tansu, and J. F. Gilchrist, "Investigation of the deposition of microsphere monolayers for fabrication of microlens arrays", Langmuir, 24 (21), 12150-12157, 2008. (Cover Article).  

DOI: 10.1021/la801100g

12) Y. K. Ee, R. A. Arif, P. Kumnorkaew, J. F. Gilchrist, and N. Tansu, "Optimization and Fabrication of III-Nitride Light-Emitting Diodes with Self-Assembled Colloidal-Based Convex Microlens Arrays", in Proc. of the IEEE Photonics Global 2008, Nanophotonics Symposium, Singapore, Republic of Singapore, December 2008. 

DOI: 10.1109/IPGC.2008.4781319

11) Y. K. Ee, P. Kumnorkaew, R. A. Arif, J. F. Gilchrist, and N. Tansu, "Size Effect of SiO2 / Polystrene Microspheres in the Enhancement of Light Extraction Efficiency of InGaN Quantum Wells LEDs", in Proc. of the IEEE/OSA Conference on Lasers and Electro-Optics (CLEO) 2008, San Jose, CA, May 2008.

DOI: 10.1109/CLEO.2008.4551237

10) C. Gao and J. F. Gilchrist, “Shear-induced particle migration in one-, two-, and three-dimensional flows”, Physical Review E, 77, 025301, 2008.

DOI: 10.1103/PhysRevE.77.025301

9) Y. K. Ee, P. Kumnorkaew, R. A. Arif, H. Tong, J. F. Gilchrist, and N. Tansu, "Comparison of Numerical Modeling and Experiments of InGaN Quantum Wells Light Emitting Diodes with SiO2 / Polystyrene Microlens Arrays", in Proc. of the SPIE Photonics West 2007, Light-Emitting Diodes: Research, Manufacturing, and Applications XII, San Jose, CA, Jan 2008.

DOI: 10.1117/12.763973

8) Y. K. Ee, P. Kumnorkaew, R. A. Aref, J. F. Gilchrist, and N. Tansu, “Enhancement of Light Extraction Efficiency of InGaN Quantum Wells LEDs Using SiO2 Microspheres” Proc. Of the IEEE/OSA Conference on Lasers and Electro-Optics (CLEO) 2007, Baltimore MD, May 2007.

DOI: 10.1109/CLEO.2007.4453005

7) J. F. Gilchrist and C. Gao, “Suspension Mixing and Segregation in 1D, 2D, and 3D Microchannel Flows”, Proc. of ASME ICNMM2007 5th International Conference on Nanochannels, Microchannels, and Minichannels, June 2007.

DOI: 10.1115/ICNMM2007-30160

6) Y. K. Ee, R. A. Arif, N. Tansu, P. Kumnorkaew, and J. F. Gilchrist, "Enhancement of light extraction efficiency of InGaN quantum wells light emitting diodes using SiO2 microspheres", Applied Physics Letters, 91, 221107, 2007.

DOI: 10.1063/1.2816891

5) J. F. Gilchrist, A. T. Chan, E. R. Weeks, J. A. Lewis, “Phase behavior and 3D structure of strongly attractive microsphere-nanoparticle mixtures”, Langmuir, 21, 11040-11047, 2005. 

DOI: 10.1021/la051998k

4) J. F. Gilchrist and J. M. Ottino, “Competition between chaos and order: mixing and segregation in a spherical tumbler”, Physical Review E, 68, 061303, 2003.

DOI: 10.1103/PhysRevE.68.061303

3) K. M. Hill, D. V. Khakhar, J. F. Gilchrist, J. J. McCarthy, and J. M. Ottino, "Segregation-driven organization in chaotic granular flows", Proceedings of the National Academy of Sciences, 96(21), pp. 11701-11706, 1999. (Cover Article)

 DOI: 10.1073/pnas.96.21.11701

2) K. M. Hill, J. F. Gilchrist, D. V. Khakhar, J. J. McCarthy, and J. M. Ottino, "Mixing of granular materials: a test-Bed dynamical system for pattern formation", International Journal of Bifurcation and Chaos, 9, pp. 1467-1484, 1999. (Cover Article)

DOI: 10.1142/S0218127499001036

1) D. V. Khakhar, J. J. McCarthy, J. F. Gilchrist, and J. M. Ottino, "Chaotic mixing of granular materials in two-dimensional tumbling mixers", Chaos, 9(1), pp. 195-205, 1999. 

DOI: 10.1063/1.166390