Selected Publications

Selected references from the recent Great Plains Catalysis Society presentation are listed below.  For a list of CEBC publications see cebc.ku.edu/publications.

Novel Process Concepts

  1. Yu, S.-m.; Snavely, W. K.; Chaudhari, R. V.; Subramaniam, B., Butadiene hydroformylation to adipaldehyde with Rh-based catalysts: Insights into ligand effects. Mol. Catal. 2020,484, 110721. https://doi.org/10.1016/j.mcat.2019.110721
  2. Liu, D.; Chaudhari, R. V.; Subramaniam, B., Enriching Propane/Propylene Mixture by Selective Propylene Hydroformylation: Economic and Environmental Impact Analyses. ACS Sustainable Chem. Eng. 2020,8 (13), 5140-5146. https://doi.org/10.1021/acssuschemeng.9b07224
  3. Tenorio, M. J.; Chaudhari, R. V.; Subramaniam, B. "Rh-Catalyzed hydroformylation of 1,3-butadiene and pent-4-enal to adipaldehyde in CO2-expanded media," Ind. Eng. Chem. Res. 201958:50 22526-22533.  https://doi.org/10.1021/acs.iecr.9b05184
  4. Liu, D.; Chaudhari, R. V.; Subramaniam, B. "Homogeneous catalytic hydroformylation of propylene-expanded solvent media," Chem. Eng. Sci. 2018187 148-156.  https://doi.org/10.1016/j.ces.2018.04.071
  5. Lundin, M. D.; Danby, A. M.; Akien, G. R.; Venkitasubramanian, P.; Martin, K. J.; Busch, D. H.; Subramaniam, B. “Intensified and safe ozonolysis of fatty acid methyl esters in liquid CO2 in a continuous reactor,” AIChE J.2017 63:7 2819-2826.  https://doi.org/10.1002/aic.15630
  6. X. Zuo, P. Venkitasubramanian, K. J. Martin and B. Subramaniam, Facile Production of 2,5-Furandicarboxylic Acid via Oxidation of Industrially Sourced Crude 5-Hydroxymethylfurfural,” ChemSusChem, 2022. https://doi.org/10.1002/cssc.202102050
  7. Y. Xiao, A. Ramanathan, B. Subramaniam and A. Varma, “Guaiacol Hydrodeoxygenation and Hydrogenation over Bimetallic Pt-M (Nb, W, Zr)/KIT-6 Catalysts with Tunable Acidity,” ACS Sustainable Chemistry and Engineering. 10(15), 4831-4836 (2022). https://doi.org/10.1021/acssuschemeng.1c07071
  8. S. Green, T. Binder, E. Hagberg and B. Subramaniam, “Correlation between lignin–carbohydrate complex content in grass lignins and phenolic aldehyde production by rapid spray ozonolysis,” ACS Engineering Au. 3(2), 84–90 (2023).https://doi.org/10.1021/acsengineeringau.2c00041
  9. H. Zhu, T. A. Jackson and B. Subramaniam, “Facile and Selective Ozonation of Light Alkanes to Oxygenates in Tunable Condensed Phase at Ambient Temperature,” JACS Au, 3(2), 498–507 (2023). https://doi.org/10.1021/jacsau.2c00631
  10. M. A. Stalcup,C. K. Nilles,B. Subramaniam,J. D. Blakemore and K. C. Leonard, “Distinguishing the Mechanism of Electrochemical Carboxylation in CO2-eXpanded Electrolytes,” Chemical Communications, 59, 5713-5716 (2023). https://doi.org/10.1039/D2CC06560F
  11. C. K. Nilles, A. K. Borkowski, E. R. Bartlett, M. A. Stalcup, H-J Lee, K. C. Leonard, B. Subramaniam, W. H. Thompson and J. D. Blakemore, “Mechanistic Basis of Conductivity in Carbon Dioxide-Expanded Electrolytes: A Joint Experimental-Theoretical Study,” Journal of the American Chemical Society, 146(4), 2398-2410 (2024). https://doi.org/10.1021/jacs.3c08145
  12. A. Uchagawkar, A. Ramanathan, H. Zhu, L. Chen, Y. Hu, J. Douglas, M. Mais, T. Kobayashi and B. Subramaniam, "Insights into Dopant Mediated Tuning of Silica-Supported Mo Metal Centers for Enhanced Olefin Metathesis, " ACS Catalysis, 14, 8317-8329 (2024). https://doi.org/10.1021/acscatal.4c01700

Conserving Diverse Feedstocks

  1. Wu, J.-F.; Ramanathan, A.; Kersting, R.; Jystad, A.; Zhu, H.; Hu, Y.; Marshall, C. P.; Caricato, M.; Subramaniam, B., Enhanced Olefin Metathesis Performance of Tungsten and Niobium Incorporated Bimetallic Silicates: Evidence of Synergistic Effects. ChemCatChem 2020,12 (7), 2004-2013. https://doi.org/10.1002/cctc.201902131
  2. Nandiwale, K. Y.; Danby, A. M.; Ramanathan, A.; Chaudhari, R. V.; Motagamwala, A. H.; Dumesic, J. A.; Subramaniam, B., Enhanced Acid-Catalyzed Lignin Depolymerization in a Continuous Reactor with Stable Activity. ACS Sustainable Chem. Eng. 2020,8 (10), 4096-4106. https://doi.org/10.1021/acssuschemeng.9b06556
  3. Uchagawkar, A.; Ramanathan, A.; Hu, Y.; Subramaniam, B., Highly dispersed molybdenum containing mesoporous silicate (Mo-TUD-1) for olefin metathesis. Catal. Today 2020,343, 215-225. https://doi.org/10.1016/j.cattod.2019.03.073
  4. Nandiwale, K. Y.; Danby, A. M.; Ramanathan, A.; Chaudhari, R. V.; Subramaniam, B. "Dual Function Lewis Acid Catalyzed Depolymerization of Industrial Corn Stover Lignin into Stable Monomeric Phenols," ACS Sus. Chem. Eng.20197:1 1362-1371. https://doi.org/10.1021/acssuschemeng.8b05077   
  5. Wu, J.-F.; Ramanathan, A.; Subramaniam, B. "Novel tungsten-incorporated mesoporous silicates synthesized via evaporation-induced self-assembly: Enhanced metathesis performance," J. Catal. 2017 350 182-188. https://doi.org/10.1016/j.jcat.2017.02.014  
  6. Danby, A.M.; Lundin, M.D.; Subramaniam, B. "Valorization of Grass Lignins: Swift and Selective Recovery of Pendant Aromatic Groups with Ozone," ACS Sus. Chem. Eng.20186:1 71-76.  https://doi.org/10.1021/acssuschemeng.7b02978
  7. Shaugnessy, C. I.; Jantz, D. T.; Leonard, K. C. "Selective Electrochemical CO2 Reduction to CO Using In-Situ Reduced In2O3 Nanocatalysts," J. Mater. Chem. A20175 22743-22749.  https://doi.org/10.1039/C7TA06570A
  8. Leon, A. Y.; Guzman, A.; Laverde, D.; Chaudhari, R. V.; Subramaniam, B.; Bravo-Suarez, J. J. “Thermal cracking and catalytic hydrocracking of a Colombian vacuum residue and its maltenes and asphaltenes fractions in toluene,” Energy & Fuels201731:4 3868-3877.  https://doi.org/10.1021/acs.energyfuels.7b00078
  9. S. Tang, A. M. Scurto and B. Subramaniam, “Improved 1-Butene/isoButane Alkylation with Acidic Ionic Liquids and Tunable Acid/Ionic Liquid Mixtures,” Journal of Catalysis, 268, 243-250 (2009). https://doi.org/10.1016/j.jcat.2009.09.022 
  10. H. Wan, A. Vitter, R. V. Chaudhari and B. Subramaniam, “Kinetic Investigations of Unusual Solvent Effects During Ru/C Catalyzed Hydrogenation of Model Oxygenates,” Journal of Catalysis, 309, 174-184 (2014).  https://doi.org/10.1016/j.jcat.2013.09.020.
  11. X. Jin, M. Zhao, J.  Shen, W.  Yan, L.  He, P. Thapa, S.  Ren, B. Subramaniam, R. V.  Chaudhari, “Exceptional Performance of Bimetallic Pt1Cu3/TiO2 Nanocatalysts for Oxidation of Gluconic Acid and Glucose with O2 to Glucaric Acid,” Journal of Catalysis, 330, 323-329 (2015).  https://doi.org/10.1016/j.jcat.2015.05.018
  12. W. Yan, A. Ramanathan, P. D. Patel, S. K. Maiti, B. B. Laird, W. H. Thompson and B. Subramaniam, “Mechanistic Insights for Enhancing Activity and Stability of Nb-incorporated Silicates for Selective Ethylene Epoxidation,” Journal of Catalysis, 336, 75-84 (2016). DOI: https://doi.org/10.1016/j.jcat.2015.12.022
  13. X. Jin, M. Zhao, W. Yan, C. Zeng, P. Bobba, P. S. Thapa, B. Subramaniam and R. V. Chaudhari, “Anisotropic Growth of PtFe Nanoclusters Induced by Lattice-Mismatch: Efficient Catalysts for Oxidation of Biopolyols to Carboxylic Acid Derivatives,” Journal of Catalysis, 337, 272-283 (2016). https://doi.org/10.1016/j.jcat.2016.02.015.
  14. J-F. Wu, A. Ramanathan and B. Subramaniam, “Novel Tungsten-incorporated Mesoporous Silicates Synthesized via Evaporation-Induced Self-Assembly: Enhanced Metathesis Performance,” Journal of Catalysis, 350, 182-188 (2017).  https://doi.org/10.1016/j.jcat.2017.02.014
  15. M. Rajamanickam, A. Ramanathan, H. Zhu, A. Araújo do Nascimento, C. Chapman, Y. Tang, F. Tao and B. Subramaniam, “Enhanced Friedel-Crafts Benzylation Activity of Bimetallic WSn-KIT-6 Catalysts,” Journal of Catalysis, 389, 657-66 (2020). https://doi.org/10.1016/j.jcat.2020.07.001

Rational Design of Catalytic Systems

  1. Nilles, C. K.; Borkowski, A. K.; Bartlett, E. R.; Stalcup, M. A.; Lee, H.-J.; Leonard, K. C.; Subramaniam, B.; Thompson, W. H.; Blakemore, J. D., Mechanistic Basis of Conductivity in Carbon Dioxide-Expanded Electrolytes: A Joint Experimental-Theoretical Study. J. Am. Chem. Soc. 2024,146 (4), 2398-2410. https://doi.org/10.1021/jacs.3c08145
  2. Balduf, T.; Blakemore, J. D.; Caricato, M., Computational Insights into the Influence of Ligands on Hydrogen Generation with [Cp*Rh] Hydrides. J. Phys. Chem. A 2023, 127 (29), 6020-6031. https://doi.org/10.1021/acs.jpca.3c02550
  3. Chen, X.; Rice, D. B.; Danby, A. M.; Lundin, M. D.; Jackson, T. A.; Subramaniam, B., Experimental and computational investigations of C-H activation of cyclohexane by ozone in liquid CO2. React. Chem. Eng. 2020,5 (4), 793-802. https://doi.org/10.1039/c9re00442d
  4. Wu, J.-F.; Ramanathan, A.; Kersting, R.; Jystad, A.; Zhu, H.; Hu, Y.; Marshall, C. P.; Caricato, M.; Subramaniam, B., Enhanced Olefin Metathesis Performance of Tungsten and Niobium Incorporated Bimetallic Silicates: Evidence of Synergistic Effects. ChemCatChem 2020,12 (7), 2004-2013. https://doi.org/10.1002/cctc.201902131
  5. Wu, J.; Ramanathan, A.; Biancardi, A.; Jystad, A.; Caricato, M.; Hu, Y.; Subramaniam, B. "Correlation of Active Site Precursors and Olefin Metathesis Activity in W-Incorporated Silicates," ACS Catal.20188:11 10437-10445.  https://doi.org/10.1021/acscatal.8b03263
  6. Khivantsev, K.; Biancardi, A.; Fathizadeh, M.; Almalki, F.; Grant, J.; Tien, H. N.; Shakouri, A.; Blom, D. A.; Makris, T. M.; Regalbuto, J. R.; Caricato, M.; Yu, M. "Catalytic N-H Bond Activation and Breaking by a Well-Defined CoII1O4 Site of a Heterogeneous Catalyst," ChemCatChem201810:4 736-742.  https://doi.org/10.1002/cctc.201701268
  7. Jystad, A. M.; Biancardi, A.; Caricato, M. "Simulations of Ammonia Adsorption for the Characterization of Acid Sites in Metal-Doped Amorphous Silicates," J. Phys. Chem. C2017121:40 22258-22267.  https://doi.org/10.1021/acs.jpcc.7b08113

Closing the Model Gap

  1. Suekuni, M. T.; Allgeier, A. M., Correlating Surface Chemistry to Surface Relaxivity via TD-NMR Studies of Polymer Particle Suspensions. JACS Au 2023, 3 (10), 2826-2834. https://doi.org/10.1021/jacsau.3c00384
  2. Srinivasan, P. D.; Patil, B. S.; Zhu, H.; Bravo-Suarez, J. J. "Application of modulation excitation-phase sensitive detection-DRIFTS for in situ/operando characterization of heterogeneous catalysts," React. Chem. Eng.20194:5 862-883. https://doi.org/10.1039/C9RE00011A  
  3. Patil, B. S.; Srinivasan, P. D.; Atchison, E.; Zhu, H.; Bravo-Suarez, J. J. "Design, modelling, and application of a low void-volume in situ diffuse reflectance spectroscopic reaction cell for transient catalytic studies," React. Chem. Eng.20194:4 667-678.  https://doi.org/10.1039/C8RE00302E
  4. Srinivasan, P. D.; Nitz, S. R.; Stephens, K. J.; Atchison, E.; Bravo-Suarez, J. J. "Modified Harrick reaction cell for in situ/operando fiber optics diffuse reflectance UV-visible spectroscopic characterization of catalysts," Appl. Catal. A2018561 7-18.  https://doi.org/10.1016/j.apcata.2018.05.009
  5. Tao, F.; Nguyen, L. "Interactions of gaseous molecules with X-ray photons and photoelectrons in AP-XPS study of solid surface in gas phase," Phys. Chem. Chem. Phys.201820 9812-9823.  https://doi.org/10.1039/C7CP08429C
  6. Nguyen, L.; Tao, P.; Liu, H.; Al-Hada, M.; Amati, M.; Sezen, H.; Gregoratti, L.; Tang, Y.; House, S. D.; Tao, F. F. "X-ray Photoelectron Spectroscopy studies of nanoparticles dispersed in static liquid," Langmuir201834:33 9606-9616.  https://doi.org/10.1021/acs.langmuir.8b00806