2014-Current

Visible Light Photolysis at Single Atom Sites in Semiconductor Perovskite Oxides

Michael G. Allan, Rachel A. Yang, Silvia Marino, Michael J. Gordon, Phillip Christopher, Eranda Nikolla* J. Am. Chem. Soc. 2025, 147, 1, 898

Figure
Surface Rh species in Rh-doped SrTiO3 introduce midgap energy states above the valence band that facilitate electronic excitations leading to surface CO removal

Deconvoluting XPS Spectra of La-Containing Perovskites from First-Principles

Ariel Whitten, Dezhou Guo, Elif Tezel, Reinhard Denecke*, Eranda Nikolla*, and Jean-Sabin McEwen* JACS Au, 2024, 432, 115443

Graph
Deconvoluting experimentally obtained XPS spectra of realistic perovskite catalyst surfaces by employing first-principles-based density functional theory (DFT) calculations

Electrocatalysis in Solid Oxide Fuel Cells and Electrolyzers

Inyoung Jang, Juliana S. A. Carneiro*, Joshua O. Crawford, Yoon Jin Cho, Sahanaz Parvin, Diego A. Gonzalez-Casamachin, Jonas Baltrusaitis, Ryan P. Lively, and Eranda Nikolla*, Chem. Rev. 2024, 124, 13, 8233–8306

Figure
Versatile range of electrocatalytic materials utilized in oxygen-ion-conducting solid oxide electrochemical cells (O-SOCs) and proton-conducting solid oxide electrochemical cells (H-SOCs)

Effects of catalyst morphology on oxygen defects at Ni–CeO2 interfaces for CO2 methanation

Samiha Bhat, Miguel Sepúlveda-Pagán, Justin Borrero-Negrón, Jesús E. Meléndez-Gil, Eranda Nikolla*, and Yomaira J. Pagán-Torres*, Catal. Sci. Technol., 2024, 14, 3364-3373

Figure and Graph
Enhancing the concentration of oxygen defects, a vital component in CO2 methanation, by tuning the Ni–CeO2 catalyst morphology to enhance methane productivity.

Realizing synergy between Cu, Ga, and Zr for selective CO2 hydrogenation to methanol.

Abdullah J. Al Abdulghani, Edgar E. Turizo-Pinilla, Maria J. Fabregas Angulo, Ryan H. Hagmann, Faysal Ibrahim, Jacob H. Jansen, TheodoreO. Agbi, Samiha Bhat, Miguel Sepúlveda-Pagán, Morgan O. Kraimer, Collin M. Queen, Zhuoran Sun, Eranda Nikolla, Yomaira J. Pagán-Torres*, Ive Hermans*, Applied Cat. B: Environmental, 2024, 355, 124198

Figure
Synthesis, characterization, and evaluation of a ternary CO2 hydrogenation catalysts containing Cu, Ga, and Zr at different Ga/Zr ratios, with directed focus on the synergy imparted from the interfaces of the metallic components.

Trace Fe activates perovskite nickelate OER catalysts in alkaline media via redox-active surface Ni species formed during electrocatalysis

Liam Twight, Ally Tonsberg, Samji Samira, Kunal Velinkar, Kora Dumpert, Yingqing Ou, Le Wang, Eranda Nikolla, Shannon W. Boettcher*, 60th Commemorative Anniversary Issue of Journal of Catalysis, 2024, 432, 115443

Graph
Probing surface reconstruction and the associated formation of a new redox-active phase on LaNiO3 particles, LaNiO3 epitaxial films, and an analogous Ruddlesden-Popper phase, La2NiO4

Influence of the Mechanism of Discharge Product Formation on the Electrochemical Performance and Cyclability of Aprotic Na–O2 Batteries

Kunal Kalpesh Velinkar,  Alex Von Gunten, Jeffrey Greeley*, and Eranda Nikolla*, ACS Energy Lett. 2023, 8, 4555–4562

Diagram of Solution-mediated discharge mechanism
Evaluating discharge mechanisms occurring at the electrode/electrolyte interfaces and how this governs the overall stability of Na-O2 systems

Elucidation of Parasitic Reaction Mechanisms at Interfaces in Na–O2 Batteries

Alex Von Gunten, Kunal Velinkar, Eranda Nikolla*, and Jeffrey Greeley*, Chem. Mater. 2023, 35, 15, 5945–5952

Simulated NaO2 surface dissolution
Coupling density functional theory calculations with experimental observations to study the surface chemistry of the NaO2 discharge product

Strategies for Designing the Catalytic Environment Beyond the Active site of Heterogeneous Supported Metal Catalysts

Samiha Bhat, Yomaira J. Pagán-Torres* & Eranda Nikolla*, Top. Catal., 2023.

diagram
Strategies for Designing the Catalytic Environment Beyond the Active Site of Heterogeneous Supported Catalysts. Approaches highlighted include: (i) alloys, (ii) inverted/encapsulated systems, and (iii) surface ligand bound metal nanoparticles.

Deciphering the Mechanistic Role of Individual Oxide Phases and Their Combinations in Supported Mn–Na2WO4 Catalysts for Oxidative Coupling of Methane

Yixiao Wang, Sagar Sourav, Jason P. Malizia, Brooklyne Thompson, Bingwen Wang, M. Ross Kunz, Eranda Nikolla, Rebecca Fushimi*, ACS Catal., 2022.

Graphs of Molecules
Temporal analysis of products (TAP) and steady-state experiments are conducted to understand the role of individual oxide phases and their combinations in supported Mn–Na2WO4/SiO2 catalysts for Oxidative Coupling of Methane (OCM)

Electrochemical Reduction of CO2 using Solid Oxide Electrolysis Cells: Insights into Catalysis by Nonstoichiometric Mixed Metal Oxides

Elif Tezel, Ariel Whitten, Genevieve Yarema, Reinhard Denecke*, Jean-Sabin McEwen*, Eranda Nikolla*, ACS Catal., 2022.

Venn Diagram and Graph
Performance of Nonstoichiometric Mixed Metal Oxides for Electrochemical Reduction of CO2 to CO (inset schematic): Literature mining that targets Experimental and Theoretical techniques

Mechanistic pathways and role of oxygen in oxidative coupling of methane derived from transient kinetic studies

Wang, Y., Wang, B., Sourav, S., Batchu, R., Fang, Z., Kunz, M.R., Yablonsky, G., Nikolla, E., and Fushimi, R.*, Catalysis Today, 2022.

Graph and Figure of Oxidative Coupling of Methane
Transient Kinetic Studies on Oxidative Coupling of Methane

Supported Bifunctional Molybdenum Oxide-Palladium Catalysts for Selective Hydrodeoxygenation of Biomass-Derived Polyols and 1,4-Anhydroerythritol

Herrera, L.P. ‡, Freitas de Lima e Freitas, L. ‡, Albarracin-Suazo, S., MacQueen, B., Heyden, A., Lauterbach, J.A., Nikolla, E.*, and Pagán-Torres, Y.J.*, ACS Sustainable Chemistry & Engineering, 2022, 10, 18, 5719-5727.

Supported Bifunctional Molybdenum Oxide-Palladium Catalysts for Selective Hydrodeoxygenation
Selective Hydrodeoxygenation using Bifunctional MoOx-Pd Catalysts on Titania

Elucidating the Role of B-Site Cations toward CO2 Reduction in Perovskite-Based Solid Oxide Electrolysis Cells

Tezel, E. ‡, Guo, D. ‡, Whitten, A., Yarema, G., Freire, M.A., Denecke, R.*, McEwen, J.S.* and Nikolla, E.*, Journal of The Electrochemical Society, 169, 034532, 2022.

‡ These authors contributed equally to this work

Figure and Graphs
CO2 Reduction in Perovskite-Based Solid Oxide Electrolysis Cells: Significance of B-Site Cations

Reactivity of Pd-MO2 inverted catalytic systems for CO oxidation

Herrera, L.P. ‡, Freitas de Lima e Freitas, L. ‡, Hong, J., Hoffman, A.S., Bare, S.R., Nikolla, E.*,  and  Medlin, J.W.*, Catalysis Science & Technology, 2022, 12, 1476-1486.

‡ These authors contributed equally to this work

diagram

Dynamic Surface Reconstruction Unifies the Electrocatalytic Oxygen Evolution Performance of Nonstoichiometric Mixed Metal Oxides

Samira, S. ‡, Hong, J. ‡, Camayang, J.C.A., Sun, K., Hoffman, A.S., Bare, S.R., and Nikolla, E.*, JACS Au, 2021, 1, 2224-2241.

‡ These authors contributed equally to this work

Figure
Insights on Dynamic Surface Reconstruction of Nonstoichiometric Mixed Metal Oxides and their Impacts

Modulating Catalytic Properties of Targeted Metal Cationic Centers in Nonstoichiometric Mixed Metal Oxides for Electrochemical Oxygen Reduction

Samira, S., Camayang, J. C. A., Patel, K., Gu, X. K.*, and Nikolla, E.*, ACS Energy Letters, 2021, 6, 1065-1072.

Graph
Tuning Catalytic Properties of Targeted Metal Cationic Centers in Nonstoichiometric Mixed Metal Oxides

Aprotic Alkali Metal-O2 Batteries: Role of Cathode Surface-Mediated Processes and Heterogeneous Catalysis

Samira, S. ‡, Deshpande, S. ‡, Greeley, J.*, and Nikolla, E.*, ACS Energy Letters, 2021, 6, 665-674.

‡ These authors contributed equally to this work

Figure
Aprotic Alkali Metal-O2 batteries

Selective C-O Bond Cleavage of Bio-Based Organic Acids over Palladium Promoted MoOx/TiO2

Nacy, A.M. ‡, Freitas de Lima e Freitas, L. ‡, Albarracin-Suazo, S., Ruiz-Valentin, G., Roberts, C.A., Nikolla, E.*, and Pagan-Torres, Y.J.*, ChemCatChem, 2020, 12, 1-6.

‡ These authors contributed equally to this work

Graph and Figure
MoOx-Pd catalysts supported on titania assist in selective C-O bond cleavage of Bio-Based Organic Acids (inset reaction schematic)

Electrochemical Reduction of CO2 on Metal-Based Cathode Electrocatalysts of Solid Oxide Electrolysis Cells

Carneiro, J.S.A., Gu, X.K., Tezel, E., and Nikolla, E.*, Industrial & Engineering Chemistry Research, 2020, 59, 15884-15893.

Figure and Graph
Metal Based Cathode Electrocatalysts for Electrochemical Reduction of CO2 to CO

Oxygen Evolution Electrocatalysis using Mixed Metal Oxides under Acidic Conditions: Challenges and Opportunities

Gu, X. K. ‡, Camayang, J. C. A. ‡, Samira, S., and Nikolla, E.*, Journal of Catalysis, 2020, 388, 130-140.

‡ These authors contributed equally to this work

Figure
Mixed Metal Oxides in OEE under Acidic Conditions

Tunable Catalytic Performance of Palladium Nanoparticles for H2O2 Direct Synthesis via Surface-Bound Ligands

Freitas de Lima e Freitas, L. ‡, Puértolas, B. ‡, Zhang, J., Wang, B., Hoffman, A.S., Bare, S.R., Pérez-Ramírez, J.*, Medlin, J.W.*, and Nikolla, E.*, ACS Catalysis, 2020, 10, 5202-5207.

‡ These authors contributed equally to this work

Graph
Surface-Bound Ligands on Pd Nanoparticles alter catalytic performance for Direct Synthesis of H2O2

Embracing the Complexity of Catalytic Structures: A viewpoint on the Synthesis of Nonstoichiometric Mixed Metal Oxides for Catalysis

Carneiro, J.S.A., Williams, J., Gryko, A., Herrera, L.P., and Nikolla, E.*, ACS Catalysis, 2020, 10, 516-527.

Figure
Nonstoichiometric Mixed Metal Oxide Synthesis (A Viewpoint)

Design Strategies for Efficient Nonstoichiometric Mixed Metal Oxide Electrocatalysts: Correlating Measurable Oxide Properties to Electrocatalytic Properties

Samira, S. ‡, Gu, X.K. ‡, and Nikolla, E.*, ACS Catalysis, 2019, 9, 10575-10586.

‡ These authors contributed equally to this work

Graph
Oxide properties to Electrocatalytic properties: Parallels drawn to Design Efficient Nonstoichiometric Mixed Metal Oxides

Non-Precious Metal Catalysts for Tuning Discharge Product Distribution at Solid-Solid Interfaces of Aprotic Li-O2 Batteries

Samira, S., Deshpande, S., Roberts, C.A., Nacy, A.M., Kubal, J., Matesić, K., Oesterling, O., Greeley, J.P*., and Nikolla, E.*, Chemistry of Materials, 2019, 31, 7300-7310.

Graph
Discharge Product Distribution at Solid-Solid Interfaces of Aprotic Li-O2 Batteries

Reaction Paths for Hydrodeoxygenation of Furfuryl Alcohol at TiO2/Pd Interfaces

Deo S., Medlin J. W., Nikolla E., and Janik M. J.*, Journal of Catalysis, 2019, 377, 28-40.

Figure and Graph
TiO2/Pd interfaces: Reaction Paths for Hydrodeoxygenation of Furfuryl Alcohol

Nanoengineering of Solid Oxide Electrochemical Cell Technologies: An Outlook

Carneiro, J. and Nikolla, E.*, Nano Research, 2019, 12, 2081-2092.

Figure
Outlook: Nanoengineering Solid Oxide Electrochemical Cell Technologies

Electrochemical Conversion of Biomass-Based Oxygenated Compounds

Carneiro, J. and Nikolla, E.*, Annual Review of Chemical and Biomolecular Engineering, 2019, 10, 85-104.

Figures
Electrochemical Conversion of Biomass

110th Anniversary: Fabrication of Inverted Pd@TiO2 Nanostructures for Selective Catalysis

Wang, B.‡, Zhang, J.‡, Herrera, L. P., Medlin, J. W.*,  and Nikolla, E.*, Industrial & Engineering Chemistry Research, 2019, 58, 4032-4041.

‡ These authors contributed equally to this work

Figures
Pd@TiO2 Encapsulated Nanostructures for Selective Catalysis

Electrochemical oxygen reduction on layered mixed metal oxides: Effect of B-site substitution

Samira, S. ‡, Camayang, J. C. A. ‡, Nacy, A. ‡, Diaz, M., Meira, S. M., and Nikolla, E.*, Journal of Electroanalytical Chemistry, 2019, 833, 490-497.

‡ These authors contributed equally to this work

Figures
Impact of B-site Substitution in Electrochemical Oxygen Reduction

Efficient Oxygen Electrocatalysis By Nanostructured Mixed Metal Oxides

Gu, X. K. ‡, Carneiro, J. S. ‡, Samira, S., Das, A., Ariyasingha, N., and Nikolla, E.*, Journal of the American Chemical Society, 2018, 140, 8128-8137.

‡ These authors contributed equally to this work

Graph
Nanostructured Mixed Metal Oxides Driving Oxygen Electrocatalysis

Oxygen Sponges for Electrocatalysis: Oxygen Reduction/Evolution on Nonstoichiometric, Mixed Metal Oxides

Gu, X. K. ‡, Samira, S. ‡, and Nikolla, E.* Chemistry of Materials, 2018, 30, 2860-2872.

‡ These authors contributed equally to this work

Figures
ORR or OER on Nonstoichiometric Mixed Metal Oxides

Control of interfacial acid-metal catalysis with organic monolayers

Zhang, J.; Ellis, L. D.; Wang, B.; Dzara, M. J.; Sievers, C.; Pylypenko, S.; Nikolla, E.; Medlin, J. W.*, Nature Catalysis, 2018, 1, 148-155.

Graphs
Interfacial Acid-Metal Catalysis

Multicomponent Catalysts: Limitations and Prospects

Kumar, G.; Nikolla, E.*; Linic, S.*; Medlin, J. W.*; and Janik, M. J.*, ACS Catalysis, 2018, 8, 3202-3208.

Figure
Multicomponent Catalysts
Graph and Figure
Design of Ruddlesden-Popper Oxides

Directing Reaction Pathways through Controlled Reactant Binding at Pd–TiO2 Interfaces

Zhang, J. ‡, Wang, B. ‡, Nikolla, E.*, and Medlin, J. W.*, Angewandte Chemie International Edition, 2017, 56, 6594-6598.

‡ These authors contributed equally to this work

Figures
Selective Catalysis Pathways using Encapsulated Catalysts (inset reaction mechanism studied)

First-Principles Study of High Temperature CO2 Electrolysis on Transition Metal Electrocatalysts

Gu, X.K., Carneiro, J.S.A., and Nikolla, E.* Industrial & Engineering Chemistry Research, 2017, 56, 6155-6163.; Special issue “Class of Influential Researchers”.

Graph and Figure
Transition Metal Electrocatalysts for High Temp CO2 Electrolysis: First-Principles Study

Advances in methane conversion processes

Wang, B., Albarracín-Suazo, S., Pagán-Torres, Y.J.*, & Nikolla, E.*, Catalysis Today, 2017, 285, 147-158.

Figure
Methane Conversion Processes: Advancements

Heterogeneous Electrocatalysts for CO2 Reduction

Gu , X.K. ‡, Carneiro, J. S. A. ‡, and Nikolla, E., in Catalysis Vol. 29, Royal Society of Chemistry 2017.

‡ These authors contributed equally to this work

Graphs
Heterogeneous Electrocatalysts: CO2 Reduction

Well-defined Nanostructures for Catalysis by Atomic Layer Deposition

Pagán-Torres, Y.J., Lu, J., Nikolla, E., and Alba-Rubio, A.C., Morphological, compositional, and shape control of materials for catalysis, Volume 177. Editors: P. Fornasiero and M. Cargnello. Elsevier 2017. ISBN: 9780128050903.

Graphs
Atomic Layer Deposition: Well-Defined Nanostructures

Optimizing Cathode Materials for Intermediate-Temperature Solid Oxide Fuel Cells (SOFCs): Oxygen Reduction on Nanostructured Lanthanum Nickelate Oxides

Carneiro J. S. A., Brocca R. A., Lucena, M. L. R. S., and Nikolla, E.*, Applied Catalysis B: Environmental, 2017, 200, 106-113

Graphs
Oxygen Reduction on Nanostructured Lanthanum Nickelate Oxides

Electro- and Thermal-Catalysis by Layered, First Series Ruddlesden – Popper Oxides

Das A., Xhafa E., and Nikolla E.*, Catalysis Today, 2016, 277, 214-226.

Mechanism of Surface Oxygen Exchange graph and figures
Layered First Series Ruddlesden-Popper Oxides: Electro- and Thermal-Catalysis

Fundamental Insights into High-Temperature Water Electrolysis Using Ni-Based Electrocatalysts

Gu X.K. and Nikolla E.*, Journal of Physical Chemistry C, 2015, 119, 26980-26988.

Graph
Ni-Based Electrocatalysts: High temperature Water Electrolysis

Engineering Complex, Layered Metal Oxides: High-Performance Nickelate Oxide Nanostructures for Oxygen Exchange and Reduction

Ma X. ‡, Carneiro J. S. A. ‡, Gu X-K. ‡, Qin H., Xin H., Sun K., Nikolla E., ACS Catalysis, 2015, 5, 4013-4019.

‡ These authors contributed equally to this work

Figure
Nickelate Oxide Nanostructures for OER

Nanostructured Nickelate Oxides as Efficient and Stable Cathode Electrocatalysts for Li–O2 Batteries

Nacy A., Ma, X., and Nikolla, E.*, Topics in Catalysis, 2015, 58, 513-521.

Figure
Stable Cathode Electrocatalysts for Li-O2 Batteries: Nanostructured Nickelate Oxides

Hydropyrolysis of Lignin Using Pd/HZSM-5

Jan, O., Marchand, R., Anjos, L. C. A., Seufitelli, G. V. S., Nikolla, E., and Resende, F. L. P.*, Energy & Fuels, 2015, 29, 1793-1800.

Molecules and graph
Pd/HZSM-5 towards Hysdopyrolysis of Lignin

Synthesis of shape-controlled La2NiO4+δ nanostructures and their anisotropic properties for oxygen diffusion

Ma X., Wang B., Xhafa E., Nikolla E.*, Chemical Communications, 2015, 51, 137-140.

Microscopic images
Shape Controlled LNO Nanostructures: Associated Anisotropic Properties

Molybdenum-based polyoxometalates as highly active and selective catalysts for the epimerization of aldoses

Ju F., VanderVelde D., Nikolla E.*, ACS Catalysis, 2014, 4, 1358-1364.

molecular structures
Selective Catalysis of Molybdenum-based polyoxometalates

Previous Publications (2002 – 2013)