Stephen Chmely, Ph.D.
- Assistant Professor of Agricultural and Biological Engineering
Agricultural Engineering Building, Rm 225
University Park, PA 16802
- Email sc411@psu.edu
- Office 814-863-6815
Areas of Expertise
- Development of emerging bioproducts
- Additive manufacturing with lignocellulosic biomass
- Applications of synthetic chemistry to lignin
- Catalytic transformations of biomass
- Spectroscopic characterization of bio-derived molecules
Websites
Education
- A.S. Chemistry, Volunteer State Community College, 2003
- B.S. Chemistry and Physics, Western Kentucky University, 2006
- Ph.D. Chemistry, Vanderbilt University, 2010
Honors and Awards
- NSF CAREER Award, 2024
Professional Preparation
- Postdoctoral Research Associate, Vanderbilt University Medical Center, 2010-2011
- Postdoctoral Research Associate, National Renewable Energy Laboratory, 2011-2013
- Research Assistant Professor, Center for Renewable Carbon, University of Tennessee, 2013-2019
Teaching
- ABSM 300 - Introduction to Agricultural and Biorenewable Products
- ABSM 301- Engineering Principles of Agricultural and Biorenewable Systems
- ABSM 411- Bioproducts Science and Technology
- BRS 501- Biobased Polymers
For information about courses please visit the LionPATH Course Catalog.
Publications
Tuneable Mechanics in 3D Printing: Molecular Design of UV-Curable Bio-based Oligoesters
RSC Applied Polymers, Bokhari, Syed, Sevening, Jensen, Catchmark, J, Chmely, Stephen, 2025
Techno-economic and life cycle assessment of lignin-based blended resin for 3D printing
Industrial Crops and Products, Ahire, J, Bergman, R, Runge, T, Chmely, Stephen, 2025
Optimization of Cosolvent Enhanced Lignocellulosic Fractionation for Isolating Lignin with Distinct Structural Features from Switchgrass Using Response Surface Methodology
ACS Sustainable Resource Management, Godwin`, James, Godwin, James, Yi, Hojae, Seabright, Kendhl, Harper, David, Chmely, Stephen, 2024
Catalytic Transfer Hydrogenolysis of Switchgrass Lignin with Ethanol Using Spinel-Type Mixed-Metal Oxide Catalysts Affords Control of the Oxidation State of Isolated Aromatic Products
ACS Sustainable Chemistry and Engineering, Godwin, James A., Babusci, Jonah P., Wonderling, Nichole M., Shallenberger, Jeffrey R., Seabright, Kendhl, Harper, David P., Chmely, Stephen C., 2024
A summer agricultural research program enlarges community college students’ perceptions of agricultural careers
Advancements in Agricultural Development, Donaldson, J, Gwinn, K, Stephens, C, Chmely, Stephen, Moody, T, 2023
Development of Nanocrystalline Graphite from Lignin Sources
ACS Sustainable Chemistry and Engineering, García-Negrón, Valerie, Chmely, Stephen C., Ilavsky, Jan, Keffer, David J., Harper, David P., 2022
Enhancing the Matrix-Fiber Interface with a Surfactant Leads to Improved Performance Properties of 3D Printed Composite Materials Containing Cellulose Nanofibrils
ACS applied materials & interfaces, Battisto, Evan, Sarsfield, Shea, Lele, Saurabh, Williams, Teague, Catchmark, Jeffrey, Chmely, Stephen C., 2022
Improving uv curing in organosolv lignin-containing photopolymers for stereolithography by reduction and acylation
Polymers, Sutton, Jordan T., Rajan, Kalavathy, Harper, David P., Chmely, Stephen C., 2021
3D printing of lignin: Challenges, opportunities and roads onward
Biopolymers, Ebers, L. S., Arya, Aditi, Bowland, C. C., Glasser, W. G., Chmely, S. C., Naskar, A. K., Laborie, M. P., 2021
A Sequential Autohydrolysis-Ionic Liquid Fractionation Process for High Quality Lignin Production
Energy & Fuels, Wang, Jing, Rajan, Kalavathy, Annamraju, Aparna, Chmely, Stephen C., Pingali, Sai Venkatesh, Carrier, Danielle Julie, Labbé, Nicole, 2021
Recycling hot-water extractions of lignocellulosic biomass in bio-refinery for synthesis of carbon nanoparticles with amplified luminescence and its application in temperature sensing
Industrial Crops and Products, Zhang, Longfei, Lyu, Shaoyi, Zhang, Qijun, Chmely, Stephen C., Wu, Yuntao, Melcher, Chuck, Rajan, Kalavathy, Harper, David P., Wang, Siqun, Chen, Zhilin, 2020
Vapor-Phase Stabilization of Biomass Pyrolysis Vapors Using Mixed-Metal Oxide Catalysts
ACS Sustainable Chemistry and Engineering, Edmunds, Charles W., Mukarakate, Calvin, Xu, Mengze, Regmi, Yagya N., Hamilton, Choo, Schaidle, Joshua A., Labbé, Nicole, Chmely, Stephen C., 2019
Dual-emitting film with cellulose nanocrystal-assisted carbon dots grafted SrAl2O4, Eu2+, Dy3+ phosphors for temperature sensing
Carbohydrate Polymers, Zhang, Longfei, Lyu, Shaoyi, Zhang, Qijun, Wu, Yuntao, Melcher, Chuck, Chmely, Stephen C., Chen, Zhilin, Wang, Siqun, 2019
Mechanochemically directed metathesis in group 2 chemistry: calcium amide formation without solvent
Chemical Communications, Speight, Isaiah R., Chmely, Stephen C., Hanusa, Timothy P., Rheingold, Arnold L., 2019
Insight into molecular-level interactions between imidazolium-based ionic liquids and cellulose combining NMR, SAXS and MD simulations
Acta Crystallography, Annamraju, A, Smith, N, Petridis, L, O'Neill, H, Pingali, S, Chmely, Stephen, Labbé, N, 2019
Lignin-Containing Photoactive Resins for 3D Printing by Stereolithography
ACS applied materials & interfaces, Sutton, Jordan T., Rajan, Kalavathy, Harper, David P., Chmely, Stephen C., 2018
Sustainable Hydrogels Based on Lignin-Methacrylate Copolymers with Enhanced Water Retention and Tunable Material Properties
Biomacromolecules, Rajan, Kalavathy, Mann, Jeffrey K., English, Eldon, Harper, David P., Carrier, Danielle Julie, Rials, Timothy G., Labbé, Nicole, Chmely, Stephen C., 2018
Hot water extraction as a pretreatment for reducing syngas inorganics impurities – A parametric investigation on switchgrass and loblolly pine bark
Fuel, Liu, Qiaoming, Labbé, Nicole, Adhikari, Sushil, Chmely, Stephen C., Abdoulmoumine, Nourredine, 2018
Catalytic transfer hydrogenolysis of organosolv lignin using B-containing FeNi alloyed catalysts
Catalysis Today, Regmi, Yagya N., Mann, Jeffrey K., McBride, James R., Tao, Jingming, Barnes, Craig E., Labbé, Nicole, Chmely, Stephen C., 2018
Structural changes in lignocellulosic biomass during activation with ionic liquids comprising 3-methylimidazolium cations and carboxylate anions 03 Chemical Sciences 0306 Physical Chemistry (incl. Structural)
Biotechnology for Biofuels, Moyer, Preenaa, Kim, Keonhee, Abdoulmoumine, Nourredine, Chmely, Stephen C., Long, Brian K., Carrier, Danielle Julie, Labbé, Nicole, 2018
Relationship between lignocellulosic biomass dissolution and physicochemical properties of ionic liquids composed of 3-methylimidazolium cations and carboxylate anions
Physical Chemistry Chemical Physics, Moyer, Preenaa, Smith, Micholas Dean, Abdoulmoumine, Nourredine, Chmely, Stephen C., Smith, Jeremy C., Petridis, Loukas, Labbé, Nicole, 2018
Chapter 2: Lignin Isolation Methodology for Biorefining, Pretreatment and Analysis, Bozell, Joseph J., Chmely, Stephen E., Hartwig, William, Key, Rebecca, Labbé, Nicole, Venugopal, Preenaa, Zuleta, Ernesto, 2018
Environmentally Friendly Process for Recovery of Wood Preservative from Used Copper Naphthenate-Treated Railroad Ties
ACS Sustainable Chemistry and Engineering, Haber, Holly L., Kim, Pyoungchung, Chmely, Stephen C., Lloyd, Jeff, Regmi, Yagya N., Abdoulmoumine, Nourredine, Labbé, Nicole, 2017
Scalable and Tunable Carbide-Phosphide Composite Catalyst System for the Thermochemical Conversion of Biomass
ACS Sustainable Chemistry and Engineering, Regmi, Yagya N., Rogers, B. R., Labbé, Nicole, Chmely, Stephen C., 2017
Lignin-coated cellulose nanocrystal filled methacrylate composites prepared via 3D stereolithography printing: Mechanical reinforcement and thermal stabilization
Carbohydrate Polymers, Feng, Xinhao, Yang, Zhaozhe, Chmely, Stephen, Wang, Qingwen, Wang, Siqun, Xie, Yanjun, 2017
Biomass Treatment Strategies for Thermochemical Conversion
Energy & Fuels, Liu, Qiaoming, Chmely, Stephen C., Abdoulmoumine, Nourredine, 2017
Electrocatalytic Activity and Stability Enhancement through Preferential Deposition of Phosphide on Carbide
ChemCatChem, Regmi, Yagya N., Roy, Asa, Goenaga, Gabriel A., McBride, James R., Rogers, Bridget R., Zawodzinski, Thomas A., Labbé, Nicole, Chmely, Stephen C., 2017
Beneficial effects of: Trametes versicolor pretreatment on saccharification and lignin enrichment of organosolv-pretreated pinewood
RSC Advances, Kandhola, Gurshagan, Rajan, Kalavathy, Labbé, Nicole, Chmely, Stephen, Heringer, Nelson, Kim, Jin Woo, Hood, Elizabeth E., Carrier, Danielle Julie, 2017
Using a chelating agent to generate low ash bioenergy feedstock
Biomass and Bioenergy, Edmunds, Charles Warren, Hamilton, Choo, Kim, Keonhee, Chmely, Stephen C., Labbé, Nicole, 2017
Lattice Matched Carbide-Phosphide Composites with Superior Electrocatalytic Activity and Stability
Chemistry of Materials, Regmi, Yagya N., Roy, Asa, King, Laurie A., Cullen, David A., Meyer, Harry M., Goenaga, Gabriel A., Zawodzinski, Thomas A., Labbé, Nicole, Chmely, Stephen C., 2017
Screening of Mixed-Metal Oxide Species for Catalytic Ex Situ Vapor-Phase Deoxygenation of Cellulose by py-GC/MS Coupled with Multivariate Analysis
Energy & Fuels, Kim, Pyoungchung, Rials, Timothy G., Labbé, Nicole, Chmely, Stephen C., 2016
Iron piano-stool complexes containing NHC ligands outfitted with pendent arms: Synthesis, characterization, and screening for catalytic transfer hydrogenation
RSC Advances, Das, Parthapratim, Elder, Thomas, Brennessel, William W., Chmely, Stephen C., 2016
