| 48. R.R. Seemakurthi, S. Deshpande, D.P. Dean, J.A. Muhlenkamp, R.N. Alcala,
A.L. Jeffries, R.J. Clarke, I.S. Chavan, J. Senyk, Y. Xu, A. Serban, C.P. O'Brien, A.K. Datye, J.C. Hicks, J.T. Miller, J. Greeley, "Graph-Based High-Throughput Framework for Screening Selective Propane Dehydrogenation
Catalysts," ChemCatChem (2025). |
| 47. B.W.C. Chen, C.P. O'Brien, "Highly selective propylene/propane separation using amine-modified PIM-1 (PIM-NH2)," J. Membr. Sci. 731 (2025) 124229. |
| 46. G. Lee, D.B. Go, C.P. O'Brien, "Nonthermal Plasma-Stimulated C–N Coupling from CH4 and N2 Depends on the Presence
of Surface CHx and Plasma-Phase CN Species" ACS Appl. Mater. Interf. 16 (2024) 28367-28378. |
| 45. W. Shaw et al., "A US perspective on closing the carbon cycle to defossilize difficult-to-electrify
segments of our economy," Nature Reviews Chemistry 8 (2024) 376-400. |
| 44. G. Lee, C. Yan, W.F. Schneider, D.B. Go, C.P. O'Brien, "Observation and Characterization of Vibrationally Active Surface Species Accessed
with Nonthermal Nitrogen Plasmas"ACS Appl. Mater. Interf. 16 (2024) 4561-4569. |
| 43. H. Xu, S.G. Pate, C.P. O'Brien, "The Influence of Amine Structure on the Mechanism of CO2 Facilitated Transport Across
Amine-Functionalized Polymer Membranes: An Operando Spectroscopy Study," J. Membr. Sci. 689 (2024) 122163. |
| 42. H. Xu, R. Jin, C.P. O'Brien, "Multi-Functional Polymer Membranes Enable Integrated CO2 Capture and Conversion in
a Single Continuous-Flow Membrane Reactor Under Mild Conditions," ACS Appl. Mater. Interf. 15 (2023) 56305-56313. |
| 41. H. Xu, S.G. Pate, C.P. O'Brien, "Mathematical Modeling of CO2 Facilitated Transport Across Polyvinylamine Membranes
with Direct Operando Observation of Amine Carrier Saturation," Chem. Eng. J. 460 (2023) 141728. |
| 40. R. Jin, H. Xu, J. Easa, A. Chapero-Planell, C.P. O'Brien, "Cycloaddition of CO2 to Epichlorohydrin over Pyridine, Vinylpyridine, and Poly(vinylpyridine):
The Influence of Steric Crowding on the Reaction Mechanism" J. Phys. Chem. C 127 (2023)
1441-1454 (Invited as part of the virtual special issue "Early-Career and Emerging
Researchers in Physical Chemistry Volume 2"). |
| 39. C.P. O'Brien, M.J. Watson, A.W. Dowling "Challenges and Opportunities in Converting CO2 to Carbohydrates," ACS Energy Lett. 7 (2022) 3509-3523. |
| 38. C. Yan, C. Waitt, I. Akintol, G. Lee, J. Easa, R. Clarke, F. Gang, D. Poirier,
H.O. Otor, G. Rivera-Castro, D.B. Go, C.P. O'Brien, J.C. Hicks, W.F. Schneider, H. Ma "Recent Advances in Plasma Catalysis," J. Phys. Chem. C 126 (2022) 9611-9614. |
| 37. H. Xu, J. Easa, S.G. Pate, R. Jin, C.P. O'Brien, "Operando Surface-Enhanced Raman-Scattering (SERS) for Probing CO2 Facilitated Transport
Mechanisms of Amine-Functionalized Polymeric Membranes," ACS Appl. Mater. Interf. 14 (2022) 15697-15705. |
| 36. S.G. Pate, H. Xu, C.P. O'Brien, "Operando Observation of CO2 Transport Intermediates in Polyvinylamine Facilitated
Transport Membranes, and the Role of Water in the Formation of Intermediates, Using
Transmission FTIR Spectroscopy," J. Mater. Chem. A 10 (2022) 4418-4427. |
| 35. J. Easa, C. Yan, W.F. Schneider, C.P. O'Brien, "CO and C3H6 poisoning of hydrogen permeation across Pd77Ag23 Alloy membranes: A comparative
study with pure palladium," Chem. Eng. J. 430 (2022) 133080. |
| 34. G. Lee, D.B. Go, C.P. O'Brien, "Direct Observation of Plasma-Stimulated Activation of Surface Species Using Multimodal
In Situ/Operando Spectroscopy Combining Polarization-Modulation Infrared Reflection-Absorption
Spectroscopy, Optical Emission Spectroscopy, and Mass Spectrometry," ACS Appl. Mater. Intef. 13 (2021) 56242-56253. |
33. B. Park, R. Andersson, S.G. Pate, J. Liu, C.P. O'Brien, G. Hernandez, J. Mindemark, J.L. Schaefer, "Ion Coordination and Transport in Magnesium Polymer Electrolytes Based on Polyester-co-Polycarbonate," accepted by Energy Mater. Adv. (2021).
|
| 32. R. Jin, J. Easa, C.P. O'Brien, "Highly Active CuOx/SiO2 Dot Core/Rod Shell Catalysts with Enhanced Stability for Reverse
Water-Gas Shift Reaction," ACS Appl. Mater. Interf. 13, 32 (2021) 38213-38220. |
| 31. G. Lee, J. Easa, R. Jin, A. Booth C.P. O'Brien, "Enhancing the surface sensitivity of in-situ/operando characterization of palladium
membranes through polarization modulation and synthesis of optically smooth palladium
thin films," J. Membr. Sci. 637 (2021) 119605. |
| 30. C.P O’Brien, “A Perspective on the Application of Operando Spectroscopy to Probe the Structure,
Performance, and Dynamics of Membranes under Realistic Operating Conditions,” J. Membr. Sci. 619 (2021) 118751. |
| 29. S. Shan, J. Li, Y. Maswadeh, C. O’Brien, H. Kareem, D. Tran, I. Lee, Z. Wu, S. Wang, S. Yan, H. Cronk, D. Mott, L. Yang,
J. Luo, V. Petkov, and C.-J. Zhong, “Surface oxygenation of multicomponent nanoparticles toward active and stable oxidation
catalysts ” Nat. Comm. 11 (2020) 4201. |
| 28. B. Hanrahan, J. Easa, A. Payne, Y. Espinal, S. P. Alpay, H. Kareem, C. O’Brien, and A. Smith, “A Portable Power Concept Based on Combustion and Pyroelectric Energy Conversion” Cell Reports Phys. Sci. 1 (2020) 100075. |
| 27. R. Jin, J. Easa, C.P. O'Brien, “Ru-Promoted CO2 Activation for Oxidative Dehydrogenation of Propane over Chromium
Oxide Catalyst,” Catal. Sci. Tech. 10 (2020) 1769-1777. |
| 26. J. Easa, R. Jin, C.P. O'Brien, “Evolution of Surface and Bulk Carbon Species Derived from Propylene and their Influence
on the Interaction of Hydrogen with Palladium ” J. Membr. Sci., 596 (2020) 117738. |
| 25. C.P. O’Brien, I.C. Lee, “The Interaction of CO with PdCu Alloy Hydrogen Separation Membranes: An Operando Infrared
Spectroscopy Study,” Catal. Today, 336 (2019) 216-222 |
| 24. H. Kareem, S. Shan, Z.-P. Wu, L. Velasco, K. Moseman, C.P. O’Brien, D.T. Tran, I.C. Lee, Y. Maswadeh, L. Yang, D. Mott, J. Luo, V. Petkov, C.-J. Zhong,
“Catalytic Oxidation of Propane over Palladium Alloyed with Gold: An Assessment of
the Chemical and Intermediate Species ,” Catal. Sci. Tech., 8 (2018) 6228-6240. |
| 23. H. Kareem, S. Shan, F. Lin, J. Li, Z. Wu, B. Prasai, C.P. O'Brien, I.C. Lee, D.T. Tran, L. Yang, D. Mott, V. Petkov, J. Luo, C.-J. Zhong, "Evolution of Surface Catalytic Sites on Thermochemically-Tuned Gold-Palladium Nanoalloys," Nanoscale 10 (2018) 3849-3862. |
| 22. K.-H. Dostert, C.P. O’Brien, F. Mirabella, F. Ivars-Barcelo, S. Attia, E. Spadafora, S. Schauermann, H.-J. Freund,
“Selective Partial Hydrogenation of Acrolein on Pd: A Mechanistic Study,” ACS Catalysis 7 (2017) 5523-5533. |
| 21. C.P. O’Brien, I.C. Lee, “CO Poisoning and CO Hydrogenation on the Surface of Pd Hydrogen Separation Membranes,” J. Phys. Chem. C. 121 (2017) 16864-16871. |
| 20. W. Liu, Y. Jiang, K.-H. Dostert, C.P. O’Brien, W. Riedel, A. Savara, S. Schauermann, A. Tkatchenko, “Catalysis beyond frontier molecular orbitals: Selectivity in partial hydrogenation
of multi-unsaturated hydrocarbons on metal catalysts,” Sci. Adv. 3 (2017) e1700939. |
| 19. C.P. O’Brien, I.C. Lee, “Kinetic Modeling of Spillover and Temperature-Programmed Oxidation of Oxy-Carbon Surface
Species on Pt/Al2O3,” J. Phys. Chem. C. 121 (2017) 12329-12336. |
| 18. C.P. O’Brien, I.C. Lee, “A detailed spectroscopic analysis of the growth of oxy-carbon species on the surface
of Pt/Al2O3 during propane oxidation,” J. Catal. 347 (2017) 1-8. |
| 17. C.P. O’Brien, Z. W. Dunbar, I.C. Lee, “A spectroscopic membrane permeation cell for in-situ infrared-reflection absorption
spectroscopic analysis of membrane surfaces and simultaneous measurement of trans-membrane
gas permeation rates,” J. Membr. Sci. 526 (2017) 43-51. |
| 16. C.P. O’Brien, K.-H. Dostert, S. Schauermann, H.-J. Freund, “Selective Hydrogenation of Acrolein over Pd Model Catalysts: Temperature and Particle-Size
Effects,” Chem. Eur. J. 22 (2016) 15856-15863. |
| 15. C. O’Brien, K.-H. Dostert, M. Hollerer, C. Stiehler, F. Calaza, S. Schauermann, S. Shaikhutdinov,
M. Sterrer, H.-J. Freund, “Supports and Modified Nano-particles for Designing Model Catalysts,” Faraday Discuss. 188 (2016) 309-321. |
| 14. K.-H. Dostert, C.P. O’Brien, F. Mirabella, F. Ivars-Barcelo, S. Schauermann, “Adsorption of Acrolein, Propanal, and Allyl Alcohol on Pd(111): A Combination of Infrared
Reflection-Absorption Spectroscopy and Temperature-Programmed Desorption Studies,” Phys. Chem. Chem. Phys. 18 (2016) 13960-13973. |
| 13. K.-H. Dostert, C.P. O’Brien, W. Liu, W. Riedel, A. Savara, A. Tkatchenko, S. Schauermann, H.-J. Freund, “Adsorption of isophorone and trimethyl-cyclohexanone on Pd(111): A combination of
infrared reflection absorption spectroscopy and density functional theory calculations,” Surf. Sci. 650 (2016) 149-160. |
| 12. C.P. O’Brien, G.R. Jenness, H. Dong, D.G. Vlachos, I.C. Lee, “Deactivation of Pt/Al2O3 during propane oxidation at low temperatures: Kinetic regimes
and platinum oxide formation,” J. Catal. 337 (2016) 122-132. |
| 11. P. Dementyev, K.-H. Dostert, F. Ivars-Barcelo, C.P. O’Brien, F. Mirabella, S. Schauermann, X. Li, J. Paier, J. Sauer, H.-J. Freund, “Water Interaction with Iron Oxides,” Angew. Chem. Int. Ed. 54 (2015) 13942-13946. |
| 10. K.-H. Dostert, C.P. O’Brien, F. Ivars-Barcelo, S. Schauermann, H.-J. Freund, “Spectators Control Selectivity in Surface Chemistry: Acrolein Partial Hydrogenation
over Pd,” J. Am. Chem. Soc. 137 (2015) 13496-13502. |
| 9. K.-H. Dostert, C.P. O’Brien, W. Riedel, A. Savara, W. Liu, M. Oehzelt,
A. Tkatchenko, S. Schauermann, “Interaction of Isophorone with Pd(111): A Combination of IRAS, NEXAFS, and DFT Studies,” J. Phys. Chem. C 118 (2014) 27833-27842. |
| 8. M. Peter, J.M.F. Camacho, S. Adamovski, C.P. O’Brien, K.-H. Dostert, S. Schauermann, H.-J. Freund, “Trends in the binding strength of surface species on nanoparticles: how does the adsorption
energy scale with the particle size,” Angew. Chem. Int. Ed. 52 (2013) 5175-5179. |
| 7. C.P. O’Brien, J.B. Miller, B.D. Morreale, A.J. Gellman, “H2-D2 exchange kinetics in the presence of H2S over Pd4S, Pd70Cu30, and Pd47Cu53 surfaces,” J. Phys. Chem. C 116 (2012) 17657-17667. |
| 6. C.P. O’Brien, J.B. Miller, B.D. Morreale, A.J. Gellman, “The kinetics of H2-D2 exchange over Pd, Cu, and PdCu foil surfaces,” J. Phys. Chem. C 115 (2011) 24221-24230. |
| 5. C.P. O’Brien, J.B. Miller, A.J. Gellman, B.D. Morreale, “The hydrogen permeability of Pd4S,” J. Membr. Sci. 371 (2011) 263-267. |
| 4. C.P. O’Brien, B.H. Howard, J.B. Miller, B.D. Morreale, A.J. Gellman, “Inhibition of hydrogen transport through Pd and Pd47Cu53 membranes by H2S at 350 °C,” J. Membr. Sci. 349 (2010) 380-384. |
| 3. J.B. Miller, D.R. Alfonso, B.H. Howard, C.P. O’Brien, B.D. Morreale, “Hydrogen dissociation on Pd4S surfaces,” J. Phys. Chem. C 113 (2009) 18800-18806. |
| 2. N.B. Cramer, C.P. O’Brien, C.N. Bowman, “Mechanisms, polymerization rate scaling, and oxygen inhibition with an ultra-rapid
monovinyl urethane acrylate,” Polymer 49 (2008) 4756-4761. |
| 1. J.A. Carioscia, L. Schneidewind, C. O’Brien, R. Ely, C. Feeser, N. Cramer, C.N. Bowman, “Thiol-norbornene materials: Approaches to develop high Tg thiol-ene polymers,” J. Polym. Sci., Part A: Polym. Chem. 45 (2007) 5686-5696. |
