Faculty Profile

Michael Hoepfner

Associate Professor

Research Interests

Computer Simulation
Deposition Processes
Heavy Petroleum
Neutron Scattering
Soft Matter
X-ray Scattering

Awards & Honors

  • 2018 Upstream Engineering and Flow Assurance Forum Award, American Institute of Chemical Engineers 10/28/2018
  • Top 15% of College of Engineering Instructors (CHEN 2800, Sp '18), University of Utah College of Engineering 06/01/2018
  • Janicek Fellowship Recipient, University of Michigan 09/2007
  • College of Engineering Outstanding Graduating Student Leader, University of Utah 05/2007
  • Presidential Scholarship, University of Utah 08/2004

Publications

  • https://pubs.acs.org/doi/abs/10.1021/acs.jpclett.2...
    Shanks, B. L. , Potoff, J. J. & Hoepfner, M. P. (2022). Transferable Force Fields from Experimental Scattering Data with Machine Learning Assisted Structure Refinement. J. Phys. Chem. Letters. Vol. 12, 11512-11520. Published, 12/05/2022

  • https://www.sciencedirect.com/science/article/pii/...
    Abu Sufian Mohammad Asib, Rizwanur Rahman, Pedro Romero, Michael P Hoepfner & Abdullahal Mamun (2022). Physicochemical characterization of short and long-term aged asphalt mixtures for low-temperature performance. Construction and Building Materials. Vol. 319, 126038. Published, 02/14/2022

  • https://pubs.acs.org/doi/abs/10.1021/acs.energyfue...
    Yuan Yang, Thomas F Headen, Jingzhou Zhang & Michael P Hoepfner (2021). Solvent Effects on the Structure of Petroleum Asphaltenes. Energy & Fuels. Vol. 35, 13743-13755. Published, 08/20/2021

  • https://pubs.acs.org/doi/abs/10.1021/acs.jpcc.1c00...
    Siddharth Agrawal, Mahmoud Elmehlawy & Michael P Hoepfner (2021). Effect of Confinement on the Density and Diffusivity of Organic Molecules in Single-Digit Nanopores Relative to Bulk Fluid Behavior. The Journal of Physical Chemistry C. Vol. 125, 11097-11106. Published, 05/14/2021

  • https://pubs.acs.org/doi/abs/10.1021/acs.langmuir....
    Siddharth Agrawal, Ryan A Mysko, Michael M Nigra, Swomitra K Mohanty & Michael P Hoepfner (2021). Plasmonic Photocatalytic Enhancement of L-Cysteine Self-Assembled Gold Nanoparticle Clusters for Fenton Reaction Catalysis. Langmuir. Vol. 37, 3281-3287. Published, 03/15/2021

  • https://pubs.acs.org/doi/abs/10.1021/acs.langmuir....
    Jiaoyan Li, Qi Rao, Yidong Xia, Michael Hoepfner & Milind D. Deo (2020). Confinement-mediated phase behavior of hydrocarbon fluids: Insights from Monte Carlo simulations. Langmuir. Vol. 36, 7277–7288. Published, 06/11/2020

  • https://pubs.acs.org/doi/abs/10.1021/bk-2019-1320....
    Hoepfner, M. P. & Yuan Yang (2019). Application of Small-Angle and Ultra-Small-Angle Scattering Techniques for Phase Behavior and Precipitation of Petroleum Asphaltenes, in Application of Fundamental Chemistry in Addressing Upstream and Downstream Challenges in Petroleum Industry. (pp. 67-87). Vol. 1320, ACS Books Symposium Series. Published, 06/26/2019

  • https://pubs.acs.org/doi/10.1021/acs.energyfuels.9...
    Michael P. Hoepfner & Milind Deo (2019). 19th International Conference on Petroleum Phase Behavior and Fouling. Energy Fuels. Vol. 33, 3631. Published, 04/02/2019

  • Headen, T.F. & Hoepfner, M.P. (2019). Predicting Asphaltene Aggregate Structure from Molecular Dynamics Simulation: Comparison to Neutron Total Scattering Data. Energy and Fuels. Vol. 33(5), 3787-3795. Published, 01/24/2019

  • Ismail, M., Yang, Y., Chaisoontornyotin, W., Ovalles, C., Rogel, E., Moir, M.E. & Hoepfner, M.P. (2018). The Effect of Chemical Inhibitors on Asphaltene Size and Morphology Using Ultra-Small-Angle X-Ray Scattering (USAXS). Energy and Fuels. Vol. 33(5), 3681-3693. Published, 11/28/2018

  • Yang Y, Chaisoontornyotin W & Hoepfner MP (2018). Structure of Asphaltenes during Precipitation Investigated by Ultra-Small-Angle X-ray Scattering. Langmuir. Vol. 34, 10371-10380. Published, 10/01/2018

  • Chaisoontornyotin, W., Zhang, J., Ng, S. & Hoepfner, M.P. (2018). Rapid Heterogeneous Asphaltene Precipitation with Dispersed Solids. Energy & Fuels. Vol. 32, 7458–7466. Published, 05/30/2018

  • Javanbakht, G., Sedghi, M., Welch, W. R. W., Goual L. & Hoepfner, M. P. (2018). Molecular polydispersity improves prediction of asphaltene aggregation. J. Molecular Liquids. Vol. 256, 382-394. Published, 04/15/2018

  • Favero, C. V. B., Maqbool, T., Hoepfner, M. P., Haji-Akbari, N. & Fogler, H. S. (2017). Revisiting the Flocculation Kinetics of Destabilized Asphaltenes. Advances in Colloid and Interface Science. Vol. 244, 267-280. Published, 06/01/2017

  • Chaisoontornyotin, W., Bingham, A. W. & Hoepfner, M. P. (2017). Reversibility of Asphaltene Precipitation using Temperature-Induced Aggregation. Energy and Fuels. Vol. 31(4), 3392–3398. Published, 01/2017

  • Elkasabi, Y., Ross, A. M., Oh, J., Hoepfner, M. P., Fogler, H. S., Lahann, J., Krebsbach, P. H. Design Strategies for Reduced-Scale Surface Composition Gradients via Chemical Vapor Deposition Copolymerization. Chemical Vapor Deposition, Vol. 19, pp. 23-31. Published, 03/01/2014

  • Hoepfner, M. P., and Fogler, H. S., Multi-Scale Scattering Investigations of Asphaltene Cluster Breakup, Nanoaggregate Dissociation, and Molecular Ordering. Langmuir. Published, 11/2013

  • Hoepfner, M. P., Favero, C. V. B., Haji-Akbari, N., Fogler, H. S., The Fractal Aggregation of Asphaltenes. Langmuir, Vol. 29(28), pp. 8799-8808. Published, 05/2013

  • Haji-Akbari, N., Masirisuk, P., Hoepfner, M. P., Fogler, H. S., A Unified Model for Aggregation of Asphaltenes, Energy and Fuels, Vol. 27(5), pp. 2497-2505. Published, 04/2013

  • Hoepfner, M. P., Chuenmeechao, V., Limsakoune, V., Maqbool, T., Fogler, H. S., A Fundamental Study of Asphaltene Deposition. Energy and Fuels, Vol. 27(2), pp. 725-735. Published, 01/2013

  • Maqbool, T., Raha, S., Hoepfner, M. P., Fogler, H.S., Modeling the Aggregation of Asphaltenes in Crude Oil-Precipitant Systems. Energy and Fuels, Vol. 25(4), pp. 1585-1596. Published, 03/2011

  • Hoepfner, M. P., Roper, D. K., Describing Temperature Increases in Plasmon-Resonant Nanoparticle Systems. J Therm Anal. Calorim. Vol. 98(1), pp. 197-202. Published, 10/2009

  • Roper, D. K.; Ahn, W.; Hoepfner, M. P., Microscale Heat Transfer Transduced by Surface Plasmon Resonant Gold Nanoparticles. J. Phys. Chem. C., Vol. 111(9), pp. 3636-3641. Published, 02/2007

  • D. Keith Roper (date unknown). Roper, D. K.; Ahn, W.; Hoepfner, M. P., Microscale Heat Transfer Transduced by Surface Plasmon Resonant Gold Nanoparticles. J. Phys. Chem. C., Vol. 111(9), pp. 3636-3641. Accepted,

  • Yaseen Elkasabi (date unknown). Elkasabi, Y., Ross, A. M., Oh, J., Hoepfner, M. P., Fogler, H. S., Lahann, J., Krebsbach, P. H. Design Strategies for Reduced-Scale Surface Composition Gradients via Chemical Vapor Deposition Copolymerization. Chemical Vapor Deposition, Vol. 19, pp. 23-31. Accepted,

  • Tabish Maqbool (date unknown). Maqbool, T., Raha, S., Hoepfner, M. P., Fogler, H.S., Modeling the Aggregation of Asphaltenes in Crude Oil-Precipitant Systems. Energy and Fuels, Vol. 25(4), pp. 1585-1596. Accepted,

  • Abu Sufian Mohammad Asib (date unknown). Physicochemical characterization of short and long-term aged asphalt mixtures for low-temperature performance. Construction and Building Materials. Vol. 319, 126038. Accepted,

  • Michael P. Hoepfner (date unknown). Hoepfner, M. P., Chuenmeechao, V., Limsakoune, V., Maqbool, T., Fogler, H. S., A Fundamental Study of Asphaltene Deposition. Energy and Fuels, Vol. 27(2), pp. 725-735. Accepted,

  • Wattana Chaisoontornyotin (date unknown). Chaisoontornyotin, W., Haji-Akbari, N., Srikiratiwong, P., Fogler, H. S., Hoepfner, M. P., A Combined Asphaltene Aggregation and Deposition Investigation, Energy and Fuels, In Press, 2016, doi:10.1021/acs.energyfuels.5b02427. Accepted,

  • Headen, T.F. (date unknown). Predicting Asphaltene Aggregate Structure from Molecular Dynamics Simulation: Comparison to Neutron Total Scattering Data. Energy and Fuels. Vol. 33(5), 3787-3795. Accepted,

  • Chaisoontornyotin, W. (date unknown). Reversibility of Asphaltene Precipitation using Temperature-Induced Aggregation. Energy and Fuels. Vol. 31(4), 3392–3398. Accepted,

  • Nasim Haji-Akbari (date unknown). Haji-Akbari, N., Masirisuk, P., Hoepfner, M. P., Fogler, H. S., A Unified Model for Aggregation of Asphaltenes, Energy and Fuels, Vol. 27(5), pp. 2497-2505. Accepted,

  • Siddharth Agrawal (date unknown). Plasmonic Photocatalytic Enhancement of L-Cysteine Self-Assembled Gold Nanoparticle Clusters for Fenton Reaction Catalysis. Langmuir. Vol. 37, 3281-3287. Accepted,

  • Michael P. Hoepfner (date unknown). Hoepfner, M. P., Roper, D. K., Describing Temperature Increases in Plasmon-Resonant Nanoparticle Systems. J Therm Anal. Calorim. Vol. 98(1), pp. 197-202. Accepted,

  • Michael P. Hoepfner (date unknown). 19th International Conference on Petroleum Phase Behavior and Fouling. Energy Fuels. Vol. 33, 3631. Accepted,

  • Javanbakht, G. (date unknown). Molecular polydispersity improves prediction of asphaltene aggregation. J. Molecular Liquids. Vol. 256, 382-394. Accepted,

  • Michael P. Hoepfner (date unknown). Hoepfner, M. P., Favero, C. V. B., Haji-Akbari, N., Fogler, H. S., The Fractal Aggregation of Asphaltenes. Langmuir, Vol. 29(28), pp. 8799-8808. Accepted,

  • Siddharth Agrawal (date unknown). Effect of Confinement on the Density and Diffusivity of Organic Molecules in Single-Digit Nanopores Relative to Bulk Fluid Behavior. The Journal of Physical Chemistry C. Vol. 125, 11097-11106. Accepted,

  • Chaisoontornyotin, W. (date unknown). Rapid Heterogeneous Asphaltene Precipitation with Dispersed Solids. Energy & Fuels. Vol. 32, 7458–7466. Accepted,

  • Favero, C. V. B. (date unknown). Revisiting the Flocculation Kinetics of Destabilized Asphaltenes. Advances in Colloid and Interface Science. Vol. 244, 267-280. Accepted,

  • Jiaoyan Li (date unknown). Confinement-mediated phase behavior of hydrocarbon fluids: Insights from Monte Carlo simulations. Langmuir. Vol. 36, 7277–7288. Accepted,

  • Yuan Yang (date unknown). Solvent Effects on the Structure of Petroleum Asphaltenes. Energy & Fuels. Vol. 35, 13743-13755. Accepted,

  • Yang Y, Chaisoontornyotin W, Hoepfner MP (date unknown). Structure of Asphaltenes during Precipitation Investigated by Ultra-Small-Angle X-ray Scattering. Langmuir. Vol. 34, 10371-10380. Accepted,

  • Michael P. Hoepfner (date unknown). Hoepfner, M. P., and Fogler, H. S., Multi-Scale Scattering Investigations of Asphaltene Cluster Breakup, Nanoaggregate Dissociation, and Molecular Ordering. Langmuir. Accepted,

  • Hoepfner, M. P. (date unknown). Application of Small-Angle and Ultra-Small-Angle Scattering Techniques for Phase Behavior and Precipitation of Petroleum Asphaltenes, in Application of Fundamental Chemistry in Addressing Upstream and Downstream Challenges in Petroleum Industry. (pp. 67-87). Vol. 1320, ACS Books Symposium Series. Accepted,

  • Ismail, M. (date unknown). The Effect of Chemical Inhibitors on Asphaltene Size and Morphology Using Ultra-Small-Angle X-Ray Scattering (USAXS). Energy and Fuels. Vol. 33(5), 3681-3693. Accepted,