“Apparatus and Method for Selective Oxidation at Low Temperature using Remote Plasma Source”, United State Patent, 10,714,333, 07/14/2020

"Dry Powder based Electrode Additive Manufacturing," United States Patent 10,547,044, 01/28/2020

"Substrate Support Ring for More Uniform Layer Thickness," United States Patent 10,211,046, 02/19/2019

"Apparatus and Method to Measure Temperature of 3D Semiconductor Structures via Laser Diffraction," United States Patent 9,909,925, 03/06/2018

"Minimal Contact Edge Ring for Rapid Thermal Processing," United States Patent 9,768,052, 9/19/2017

"Methods for Conformal Treatment of Dielectric Films with Low Thermal Budget," United States Patent 9,728,401, 08/08/2017

"Minimal Contact Edge Ring for Rapid Thermal Processing," United States Patent 9,558,982, 1/31/2017

"Method for Conformal Treatment of Dielectric Films using Inductively Coupled Plasma," United States Patent 9,012,336, 4/21/2015

"Maskless Nanofabrication of Electronic Components," United States Patent 7,682,970, 3/23/2010

Journal Publications


43. L. Wang, M. Eliceiri, Y. Deng, Y. Rho, W. Shou, H. Pan, J. Yao, C. Grigoropoulos, “Fast Reversible Phase Change Silicon for Visible Active Photonics”, Advanced Functional Materials, (2020).


42. X. Yu, Y. Liu, H. Pham, S. Sarkar, B.J. Ludwig, I. Chen, W. Everhart, J. Park, Y. Wang, H. Pan, “Customizable Nonplanar Printing of Lithium-Ion Batteries”, Advanced Materials Technologies, (2019).

41. W. Shou, B.J. Ludwig, L. Wang, X. Gong, X. Yu, C.P. Grigoropoulos, H. Pan, “Feasibility Study of Single-Crystal Si Island Manufacturing by Microscale Printing of Nanoparticles and Laser Crystallization”, ACS Appl. Mater. Interfaces, (2019).

40. J. Liu, B.J. Ludwig, Y. Liu, H. Pan, Y. Wang, “Strengthening the Electrodes for Li-ion Batteries with a Porous Adhesive Interlayer through Dry Spraying Manufacturing”, ACS Appl. Mater. Interfaces, (2019).


39. Y. Li, K.R. Scheel, R.G. Clevenger, W. Shou, H. Pan, K. Kilway, Z. Peng, “Highly Efficient and Stable Perovskite Solar Cells Using a Dopant-Free Inexpensive Small Molecule as the Hole-Transporting Material”, Advanced Energy Materials, (2018).

38. L. Wang, Y. Rho, W. Shou, S. Hong, K. Kato, M. Eliceiri, M. Shi, C. P. Grigoropoulos, H. Pan, C. Carraro, and D. Qi, “Programming Nanoparticles in Multiscale: Optically Modulated Assembly and Phase Switching of Silicon Nanoparticle Array”, ACS Nano, (2018).

37. X. Yu, W. Shou, B. K. Mahajan, X. Huang*, and H. Pan*, “Materials, Processes and Facile Manufacturing for Bioresorbable Electronics: A Review”, Advanced Materials, (2018).

36. B. Mahajan, B. Ludwig, W. Shou, X. Yu, E. Fregene, H. Xu, H. Pan*, and X. Huang*, “Aerosol Printing and Photonic Sintering of Bioresorbable Zinc Nanoparticle Ink for Transient Electronics Manufacturing”, Science China, (2018).


35. B. Ludwig, J. Liu, Y. Liu, Z. Zheng, Y. Wang, and H. Pan*, “Simulation of Micro/Nano-powder Mixing Characteristics for Dry Spray Additive Manufacturing of Li-ion Battery Electrodes”, ASME Journal of Micro- and Nano-Manufacturing, (2017).

34. B. Ludwig, J. Liu, I. Chen, Y. Liu, W. Shou, Y. Wang*, and H. Pan*, “Understanding Interfacial-energy-driven Dry Powder Mixing for Solvent-Free Additive Manufacturing of Li-ion Battery Electrodes”, Advanced Materials Interfaces, (2017).

33. J. Liu, B. Ludwig, Y. Liu, Z. Zheng, F. Wang, M. Tang, J. Wang, J. Wang, H. Pan*, Y. Wang*, “Scalable Dry Printing Manufacturing to Enable Long Life and High Energy Lithium-Ion Batteries”, Advanced Materials Technologies, (2017).

32. W. Shou, B. Mahajan, B. Ludwig, X. Yu, J. Staggs, X. Huang*, H. Pan*, “Low-Cost Manufacturing of Bioresorbable Conductors by Evaporation-Condensation-Mediated Laser Printing and Sintering of Zn Nanoparticles”, Advanced Materials, (2017)

31. B. Mahajan, X. Yu, W. Shou, H. Pan*, X. Huang*, “Mechanically Milled Irregular Zinc Nanoparticles for Printable Bioresorbable Electronics”, Small, (2017)


30. X. Yu, B. Mahajan, W. Shou, H. Pan*, “Materials, Mechanics, and Patterning Techniques for Elastomer-Based Stretchable Conductors”, Micromachines, invited article in the special issue on flexible and stretchable electronics, (2016)

29. W. Shou, H. Pan*, “Silicon-wall Interfacial Free Energies via Thermodynamics Integration”, Journal of Chemical Physics, 145, 184702, (2016)

28. W. Shou, H. Pan*, “Direct Printing of Microstructures by Femtosecond Laser Excitaton of Nanocrystals in Solution”, Appled Physics Letters, 108, 214101, (2016)

27. B. Ludwig, Z. Zheng, W. Shou, Y. Wang*, H. Pan*, “Solvent-Free Manufacturing of Electrodes for Lithium-ion Batteries”, Nature Publication Group – Scientific Reports, (2016)

26. S. Tsai, Y. Liu, H. Pan, C. Liu, M. Lee, “The Coupled Photothermal Reaction and Transport in a Laser Additive Metal Nanolayer Simultaneous Synthesis and Patterning for Flexible Electronics”, Nanomaterials, 6 (12), (2016).


25. H. Pan*, and S. Wan, "Single Crystal Formation in Micro/nano-confined Domains by Melt-mediated Crystallization without Seeds," Journal of Physics D: Applied Physics 48 225302, 2015.


24. J. Luo, H. Pan and E. Kinzel, "Additive Manufacturing of Glass," Journal of Manufacturing Science and Engineering, 2014.

23. H. Pan*, and C.P. Grigoropoulos*, "Crystallization in Nano-confinement Seeded by a Nanocrystal - a Molecular Dynamics Study," Journal of Applied Physics, 2014.

Before 2014

22. D. Lee, H. Pan, A. Sherry, S.-H. Ko, M.-T. Lee, E. Kim, and C.P. Grigoropoulos, "Large Area Nanoimprinting on various Substrates by Reconfigurable Maskless Laser Direct Writing," Nanotechnology, 2012.

21. D. Lee, H. Pan, S.-H. Ko, Park, H.K., E. Kim, and C.P. Grigoropoulos , "Non-vacuum, Single Step Conductive Transparent ZnO Patterning by Ultra-short Pulsed Laser Annealing of Solution Deposited Nanoparticles," Applied Physics A, 2012.

20. R. Levison, H. Pan, G. Ban-Weiss, P. Rosado, R. Paolini and H. Akbari, "Potential benefits of solar reflective car shells: Cooler cabins, fuel savings and emission reductions", Applied Energy, 2011.

19. H. Pan, , "Fiber Laser Annealing of Indium-tin-oxide Nanoparticles for Large Area Transparent Conductive Layers and Optical Film Characterization", Applied Physics A, 2011.

18. M. Hu, D. Poulikakos, C. Grigoropoulos, and H. Pan, "Recrystallization of Picosecond Laser Melted ZnO Nanoparticles in a Liquid: A Molecular Dynamics Study", Journal of Chemical Physics, 2010

17. H. Pan, , " High-throughtput Optical Near-field Nanoprocessing of Nanoparticles", Small, (2010).

16. H. Pan, S.H. Ko, N. Misra, C.P. Grigoropoulos, " Laser Annealed Composite TiO2 Electrodes for Dye-sensitized Solar Cells on Glass and Plastics", Applied Physics Letters, 94, 1 2009.

15. H. Pan, S.H. Ko, C.P. Grigoropoulos, "Thermal Sintering of Solution-deposited Nanoparticle Silver Ink Films Characterized by Spectroscopic Ellipsometry", Applied Physics Letters, 93, 234104, 2008.

14. H. Pan, N. Misra, S.H. Ko, C.P. Grigoropoulos, N. Miller, E.E. Haller, O. Dubon, "Melt-mediated Coalescence of Solution-deposited ZnO Nanoparticle by Excimer Laser Annealing for Thin-film Transistor Fabrication", Applied Physics A, 94, 111-115, 2009.

13. S.H. Ko, H. Pan, S.G. Ryu, N. Misra, C.P. Grigoropoulos, H.K. Park, "Nanomaterial Enabled Laser Transfer for Organic Light Emitting Material Direct Writing", Applied Physics Letters, 93, 151110, 2008.

12. H. Pan, S.H. Ko, C.P. Grigoropoulos, "The Solid-State Neck Growth Mechanisms in Low Energy Laser Sintering of Gold Nanoparticles - A Molecular Dynamics Simulation Study", Journal of Heat Transfer, 130, 092404, 2008.

11. S.H. Ko, I. Park, H. Pan,, "ZnO nanowire network transistor fabrication on a polymer substrate by low temperature, all-inorganic nanoparticle solution process", Applied Physics Letters, 92, 15 (2008).

10. I. Park , S.H. Ko, H. Pan, C.P. Grigoropoulos , A.P. Pisano , J.M.J. Frechet, E. Lee, and J. Jeong, "Nanoscale Patterning and Electronics on Flexible Substrate by Direct Nanoimprinting of Metallic Nanoparticles", Advanced Materials 20, 489-496, 2008.

9. H. Pan , S.H. Ko, C . P. Grigoropoulos , " The Coalescence of Supported Gold Nanoparticles induced by Nanosecond Laser Irradiation ", Applied Physics A 90 , 247-253 , 2008.

8. S.H. Ko, H. Pan, C. P. Grigoropoulos, "High resolution selective multiplayer laser processing by nanosecond laser ablation of metal nanoparticle films", Journal of Applied Physics, 102, 9 (2007).

7. S.H. Ko, I. Park, H. Pan, C.P. Grigoropoulos , A.P. Pisano, C.K. Luscombe, and J.M.J. Frechet, "Direct Nanoimprinting of Metal Nanoparticles for Nanoscale Electronics Fabrication", Nano Letters 7 (7) , 1869-1877 , 2007.

6. S.H. Ko, H. Pan, C . P. Grigoropoulos , C . K. Luscombe , J . M.J. Frechet , D . Poulikakos, " Air Stable High Resolution Organic Transistors by Selective Laser Sintering of Inkjet Printed Metal Nanoparticle", Applied Physics Letters 90 , 141103, 2007.

5. S.H. Ko, H. Pan, C . P. Grigoropoulos , C . K. Luscombe , J . M.J. Frechet , D . Poulikakos , " All Inkjet Printed Flexible Electronics Fabrication on a Polymer Substrate by Low Temperature High Resolution Selective Laser Sintering of Metal Nanoparticles", Nanotechnology 18, 345202 , 2007.

4. S.H. Ko, J. Chung, H. Pan, et al. "Fabrication of multilayer passive and active electric components on polymer using inkjet printing and low temperature laser processing", Sensors and Actuators A – Physical, 134, 1, 161-168 (2007).

3. H. Pan, R.G. Landers, and F. Liou, " Dynamic Modeling of Powder Delivery Systems in Gravity-Fed Powder Feeders", Journal of Manufacturing Science and Engineering, 128, 337-345, (2006).

2. H. Pan, T. Sparks, Y.D. Thakar and F. Liou, "The Investigation of Gravity-driven Metal Powder Flow in Coaxial Nozzle for Laser-aided Direct Metal Deposition Process", Journal of Manufacturing Science and Engineering, 128, 541-553, (2006).

1. H. Pan and F. Liou, "Numerical Simulation of Metallic Powder Flow in a Coaxial Nozzle for the Laser Aided Deposition Process", Journal of Materials Processing Technology, 168 (2), 230-244, (2005).