Publications

Potassium Molybdenum Chalcogenides: Electronic Structure Modulation through Cluster Dimensionality

Smiley, R.E.; Mason, K.G.; Ortíz-Rodriguez, J.C.; Lam, R.A.; Hyler, F.P.; Velázquez, J.M. Chem. Mater. 2026

Flash-Joule heating enables rapid solid-state synthesis of multinary chalcogenides: a case study on Cu2Mo6S8

Ninawe, P.; Nagasaka, C. A.; Velazquez, J. M. Chem. Commun., 2026, Advance Article. (Pioneering Investigator Collection)

Local Structural Coherence and Interfacial Charge Transfer in Cu2S/MoS2 Heterostructure

Kumari, A.; Vigil, S.A.; Mason, K.G.; Sivakumar, S.; Biby, A.H.; Ninawe, P.; Musgrave, C.B.; Kulkarni, A.R.; Moreno-Hernandez, I.A.; Velazquez, J.M. PRX Energy, 2026 (Carbon Capture, Utilization and Storage Collection)

Solution and Active Site Speciation Drive Selectivity for Electrocatalytic Reactive Carbon Capture in Diethanolamine over Ni-N-C Catalysts

Ross, D.R.; Han, Y.; Jeong, H.Y.; Ynzunza, J.M.; Lavroff, R.H.; Banerjee, A.; Prajapati, A.; Morales-Guio, C.G.; Velazquez, J.M.; Alexandrova, A.N.; Hahn, C.
Journal of the American Chemical Society, 2026.

Tailoring MoS2 for Small-Molecule Electroreduction: The Role of Metal Doping and Heterostructures

Kumari, A.; Ninawe, P.; Velazquez, J.M.*
ACS Nanoscience Au, 2025

Atomically Engineered Active Sites in Metal Trichalcogenides via Dual Sublattice Modulation for Electrocatalysis Applications

Miller, E.J.; Robinson, K.P.; Lara, E.; Berzansky, A.; Baac, A.; Velázquez, J.M.; Whittaker-Brooks, L.*

ACS Appl. Nano Mater. 2025, 8, 32, 15869–15882

Electrolyzers in Focus: Advances in CO2 Electrolyzer Designs

Mason, K.G.; Ynzunza, J.M.; Velázquez, J.M.

Trends in Chemistry, 2025

Enhancing Student Engagement and Success in General Chemistry Through Supplemental Co-Class Models.

Kumari, A.; Ortiz-Rodriguez, J.C.; La Mers-Noble, S.; Enderle, B.; Velazquez, J.M.

2025, J. Chem. Educ.

Selective electrochemical reduction of CO2 to metal oxalates in nonaqueous solutions using trace metal Pb on carbon supports enhanced by a tailored microenvironment. 

Brower, R.S.; Wuille Bille, B.; Chiu, S.; Perryman, J.T.; Yao, L.; Agboola, F. O.; Nagasaka, C.A.; Gomez-Caballero, R.; Kumari, A.; Neumann, E.K.; Alexandrova, A.N.; McCrory, C.C.L.; Velazquez, J.M.

Advanced Energy Materials 2025, Advance Article

Heterointercalation in Chevrel Phase Sulfides: A Model Periodic Solid for the Investigation of Chain Charge Transfer. 

Mason, K.G.; Mosqueda, N.; Vigil, S.A.; Del Pozo-Gonzalez, P.; Feiner, S.; Robinson, K.; Ynzunza, J.M.; Kumari, A.; Smiley, R.E.; La Plante, E.; Agbeworvi, G.; Moreno-Hernandez, I.; Velázquez, J.M. 2025,

Journal of the American Chemical Society 2025, Advance Article.

Achievements in Elevating the Chemistry Enterprise: Advancing Energy Transition and Smart Materials. (Invited Speaker ACS Presidential Event) 

Yuan, Q.; Gao, W.; Liu, J.L.

ACS Energy Letters. 2025, 10, 3, 1366-1373.

Microwave-Assisted Intercalation: Exploring Electronic and Structural Features of Metastable MMo₆S₈ (M = Ag, Sn)

Smiley, R.E.; Mason, K.G.; Lam, R.A.; Giem, A.R.; Ingargiola, D.; Wuille Bille, B.A.; Prendergast, D.; Velázquez, J.M., ,

Materials Advances, 2025, 6, 2048-2055.

Reactive capture and electrochemical conversion of CO2 with ionic liquids and deep eutectic solvents.

Dongare, S.; Zeeshan, M.; Aydogdu, A. S.; Dikki, R.; Kurtoglu-Oztulum, S. F.; Coskun, O. K.; Munoz, M.; Banerjee, A.; Gautam, M.; Ross, D. R.; Stanley, J. S.; Brower, R. S.; Muchharla, B.; Sacci, R. L.*; Velázquez, J. M.*; Kumar, B.*; Yang, J. Y.*; Hahn, C.*; Keskin, S.*; Morales-Guio, C. G.*; Uzun, A.*; Spurgeon, J. M.*; Gurkan, B.*.

Chem. Soc. Rev., 2024, 53, 8563-8631.

Biogenic manganese oxide synthesized by a marine bacterial multicopper oxidase MnxG reveals oxygen evolution activity. 

Fu, W.; Hyler, F. P.; Sanchez, J.; Jaramillo, T. F.; Velazquez, J. M.; Tao, L.; Britt, R. D.

ACS Catal. 2024, 14, 7232-7242.

From Ln2O2S to Ln10OS14: exploring the sulphur spectrum of trivalent lanthanoid oxysulphides.

Wuille Bille, B. A.; Velazquez, J. M.*

Dalton Trans., 2024, 53, 6855-6859.

Key experimental considerations when evaluating functional ionic liquids for combined capture and electrochemical conversion of CO2. 

Dongare, S.; Coskun, O. K.; Cagli, E.; Stanley, J. S.; Mir, A. Q.; Brower, R. S.; Velázquez, J. M.*; Yang, J. Y.*; Sacci, R. L.*; Gurkan, B.*

Langmuir 2024, 40, 18, 9426-9438.

Electrochemical control over stoichiometry via cation intercalation into Chevrel-phase sulphides (CuxMo6S8, x = 1-3).

Ritter, K. A.; Mason, K. G.; Yew, S.; Perryman, J. T.; Ortiz-Rodríguez, J. C.; Singstock, N. R.*; Wuille Bille, B. A.*; Musgrave, C. B.*; Velázquez, J. M.*

J. Mater. Chem. A., 2024, 12, 7199-7206.

“Should high-cobalt EV batteries be repurposed? Using LCA to assess the impact of technological innovation on the waste hierarchy”

Dunn, J.; Ritter, K.; Velázquez, J.M.*; Kendall, A.*

Journal of Industrial Ecology, 2023, 00, 1-14.

“NGenE 2022: Electrochemistry for Decarbonization”

Alaan, T.; Crabtree, G.W. (Shared 1st authors out of 37, co-author Kabian Ritter); Cabana, J.*

ACS Energy Lett.,2023, 8, 1, 740–747

Ln₁₀S₁₄O (Ln = La, Pr, Nd, Sm) Oxysulfides:A Series of Direct n-Type Semiconductors

Wuille Bille, B. A.; Kundmann, A. C.; Osterloh, F. E.*; Velázquez, J. M.*

Chemistry of Materials, 2022, 34, 16, 7553-7562.

X-ray Absorption Spectroscopy Insights on the Structure Anisotropy and Charge Transfer in Chevrel phase chalcogenides

Hyler, F. P.; Wuille Bille, B. A.; Ortiz-Rodriguez, J. C.; Sanz-Matias, A.; Roychoudhury, S.; Perryman, J. T.; Patridge, C. J.; Singstock, N. R.; Musgrave, C. B.; Prendergast, D. G.* and Velazquez, J. M.*

Physical Chemistry Chemical Physics, 2022, 24, 17289-17294.

Structure–Reactivity Relationships in Chevrel phase electrocatalysts for small–molecule reduction reactions

Ortiz-Rodríguez, J.C and Velazquez, J.M.*,

Current Opinion in Electrochemistry 2022, 34, 101002. 

Adsorption of perfluorooctanic acid from water by pH-modulated Brönsted acid and base sites in mesoporous hafnium oxide ceramics

Hussain, F.; Janisse, S. E.; Heffern, M. C.; Kinyua, M.; Velázquez, J. M.

iScience 2022, 25, 4, 104138. (Featured in “Interactions with PFAS in the lab, in the environment, and every day” special issue)

Multi-dimensional designer catalysts for negative emissions science (NES): bridging the gap between synthesis, simulations, and analysis

Hill, C.M.*; Mendoza-Cortez, J.L.*; Velázquez. J.M.* and Whittaker-Brooks, L.*

iScience 2022, 25, 1, 103700.

Fe(II) Induced Reduction of Incorporated U(VI) to U(V) in Goethite

Stagg, O.; Morris, K.; Lam, Andy.; Navrotsky, A.; Velázquez. J.M.; Schacherl, B.; Vitova, T.; Rothe, J.; Galanzew, J.; Neuman, A.; Lythgoe, P.; Abrahamsen-Millis, L. and Shaw, S.*

Environmental Science and Technology 2021, 55, 24, 16445-16454.

Promoting Inclusive and Culturally Responsive Teaching Using Co-classes for General Chemistry

Ortiz-Rodríguez, J.C.; Brinkman, H.; Ngalankong, L.; Enderle, B.* and Velázquez, J.M.*

Journal of Chemical Education 2022, 99, 1, 162-170. (Featured in a special issue on Diversity, Equity, Inclusion, and Respect in Chemistry Education Research and Practice). 

Charge Transport Dynamics in Microwave Synthesized One-Dimensional Molybdenum Chalcogenides

Ortiz-Rodríguez, J.C.; Perryman, J.T. and Velázquez, J.M.*

Industrial and Engineering Chemistry Research 2021, 60, 45, 16153–16161 (I&EC Research’s 2021 Class of Influential Researchers Issue)

Design Principles for Multinary Chalcogenides: Toward Programmable Reactivity in Energy Conversion

Perryman, J.T. and Velázquez, J.M.*

Chemistry of Materials 2021, 33 (18), 7133-7147 (Invited Perspective: Up and Coming Early Career Scientist Issue) 

Synthesis and thermodynamics of uranium-incorporated α-Fe2O3 nanoparticles

Lam, A.; Hyler, F.; Olwen, S.; Katherine M.; Samual, S.; Velázquez, J. M.; Navrotsky, A.

Journal of Nuclear Materials 2021, 556, 153172.

Machine Learning Guided Synthesis of Multinary Chevrel Phase Chalcogenides

Singstock, N.R.; Ortiz-Rodríguez, J.C.; Perryman, J.T.; Sutton, C.; Velázquez, J.M.*; Musgrave, C.B.*

Journal of the American Chemical Society 2021, 143 (24), 9113–9122. 

A Synergistic Approach to Unraveling the Thermodynamic Stability of Binary and Ternary Chevrel-Phase Sulfides

Lilova, K.*; Perryman, J.*; Singstock, N.*; Subramani, M.; Lam, A.; Yoo, R.; Ortiz-Rodríguez, J.; Musgrave, C.*; Navrotsky, A.*; Velázquez, J. M.*

Chemistry of Materials, 2020, 32 (16), 7044-7051. 

Stabilizing Hydrogen Adsorption Through Theory-Guided Substitution in Chevrel-Phase Mo₆X₈ (X=S, Se, Te) Electrocatalysts,

Ortiz-Rodríguez, J.*; Singstock, N.*; Perryman, J.; Hyler, F.; Jones, S.; Holder, A.; Musgrave, C.*; Velázquez, J. M.* 

ACS Applied Materials and Interfaces, 2020, 12 (32) 35995-36003. 

Adsorption of Crude Oil from Crude Oil-Water Emulsion by Mesoporous Hafnium Oxide Ceramics

Hussain, F.; Zamora, J.; Ferrer, I. F.; Kinyua, M.; Velázquez, J. M.

Environmental Science: Water Research & Technology 2020, 6, 2035-2042. 

Direct Solid-State Nucleation and Charge-Transport Dynamics of Alkali Metal-Intercalated M₂Mo₆S₆ (M = K, Rb, Cs) Nanorods.

Perryman, J. T.; Kulkarni, A. R.; Velázquez, J.M. 

Journal of Materials Chemistry C 2020, 8, 10742-10748 (Featured on the Inside Back Cover of Emerging Investigators Special Issue)

Reversible Room-Temperature Fluoride-Ion Insertion in a Tunnel-Structured Transition Metal Oxide Host.

Zaheer, W.; Andrews, J. L.; Parija, A.; Hyler, F. P.;  Jaye, C.; Weiland, C.; Yu, Y.; Shapiro, D. A.; Fischer, D. A.; Guo, J.; Velázquez, J. M.; Banerjee S. 

ACS Energy Letters 2020, 5 (8), 2520-2526. 

Metal-promoted Mo₆S₈ clusters: a platform for probing ensemble effects on the electrochemical conversion of CO₂ and CO to methanol.

Perryman, J. T.; Ortiz-Rodríguez, J.C.; Jude, J.W.; Hyler, F.P.; Davis, R.C.; Mehta, A.; Kulkarni, A. R.; Patridge, C. J.; Velázquez, J. M. 

Materials Horizons 2020, 7 (1), 193-202. 

X-Ray Absorption Spectroscopy Study of the Electronic Structure and Local Coordination of 1^st Row Transition Metal-Promoted Chevrel-Phase Sulfides.

Perryman, J. T., Hyler, F. H., Ortiz-Rodríguez, J.C., Apurva, M., Kulkarni, A. R., Velázquez, J. M. 

Journal of Coordination Chemistry 2019, 72, 1322-1335 (Featured on front cover of Emerging Leader Special Issue)

Reduction of aqueous CO₂ to 1-Propanol at MoS₂ electrodes. 

Francis, S. A.*; Velázquez, J. M.*; Ferrer, I. M.; Torelli, D. A.; Guevarra, D.; McDowell, M. T.; Sun, K.; Zhou, X.; Saadi, F. H.; John, J.; Richter, M. H.; Hyler, F. P.; Papadantonakis, K. M.; Brunschwig, B. S.; Lewis, N. S.

Chemistry of Materials 2018, 30, 15, 4902-4908. 

Comparative Study in Acidic and Alkaline Media of the Effects of pH and Crystallinity on the Hydrogen-Evolution Reaction on MoS₂ and MoSe₂.

Wiensch, J. D.; John, J.; Velázquez, J. M.; Torelli, D. A.; Pieterick, A. P.; McDowell, M. T.; Lewis, N. S.

ACS Energy Letters, 2017, 2(10), 2234-2238.

A Scanning Probe Investigation of the Role of Surface Motifs in the Behavior of p-WSe₂ Photocathodes. 

Velázquez, J. M. *; John, J. *; Esposito, D.; Pieterick A.; Pala, R. A.; Sun, G.; Zhou, Z; Ardo, S.; Soriaga, M. P.; Brunschwig, B. S.; Lewis, N. S.

Energy & Environmental Science 2016, 9 (1), 164-175. 

Influence of Redox-Inactive Cations on the Structure and Electrochemical Reactivity of Synthetic Birnessite, a Heterogeneous Analog for the Oxygen-Evolving Complex. 

Baricuatro, J. H.; Saadi, F. H.; Carim, A. I.; Velázquez, J. M.; Kim, Y. G.; Soriaga, M. P.

The Journal of Physical Chemistry C 2016, 120 (29), 15618-15631.

Vanadium K-edge X-ray absorption spectroscopy as a probe of the heterogeneous lithiation of V2O5: first-principles modeling and principal component analysis. 

Horrocks, G. A.; Braham, E. J.; Liang, Y.; De Jesus, L. R.; Jude, J.; Velázquez, J. M.; Prendergast, D.; Banerjee, S.

The Journal of Physical Chemistry C 2016, 120 (42), 23922-23932. 

Methods of Photoelectrode Characterization with High Spatial and Temporal Resolution.

Esposito, D. V.; Baxter, J. B.; John, J.; Lewis, N. S.; Moffat, T. P.; Ogitsu, T.; O’Neil, G. D.; Pham, T. A.; Talin, A. A.; Velázquez, J. M.; Wood, B. C. 

Energy & Environmental Science 2015, 8 (10), 2863-2885. 

Microwave Near-Field Imaging of Two-Dimensional Semiconductors.

Berweger, S.; Weber, J. C.; John, J.; Velázquez, J. M.; Pieterick, A.; Sanford, N. A.; Davydov, A. V.; Brunschwig, B.; Lewis, N. S.; Wallis, T. M.; Kabos, P. 

Nano Letters 2015, 15 (2), 1122-1127. 

Electrochemical Surface Science Twenty Years Later: Expeditions Into the Electrocatalysis of Reactions at the Core of Artificial Photosynthesis. 

Soriaga, M. P.; Baricuatro, J. H.; Cummins, K. D.; Kim, Y.-G.; Saadi, F. H.; Sun, G.; McCrory, C. C. L.; McKone, J. R.; Velázquez, J. M.; Ferrer, I. M.; Carim, A. I.; Javier, A.; Chmielowiec, B.; Lacy, D. C.; Gregoire, J. M.; Sanabria-Chinchilla, J.; Amashukeli, X.; Royea, W. J.; Brunschwig, B. S.; Hemminger, J. C.; Lewis, N. S.; Stickney, J. L.

Surface Science 2015, 631, 285-294. 

Operando Synthesis of Macroporous Molybdenum Diselenide Films for Electrocatalysis of the Hydrogen-Evolution Reaction. 

Saadi, F. H.; Carim, A. I.; Velázquez, J. M.; Soriaga, M. P.; Lewis, N.

SACS Catalysis 2014, 4 (9), 2866-2873. 

Improving O₂ Production of WO₃ Photoanodes with IrO₂ in Acidic Aqueous Electrolyte. 

Spurgeon, J. M.; Velázquez, J. M.; McDowell, M. T.

Physical Chemistry Chemical Physics 2014, 16 (8), 3623-3631. 

Synthesis and Hydrogen-Evolution Activity of Tungsten Selenide Thin Films Deposited on Tungsten Foils. 

Velázquez, J. M.; Saadi, F.; Pieterick, A.; Spurgeon, J. M.; Soriaga, M. P.; Brunschwig, B. S.; Lewis, N. S.

Journal of Electroanalytical Chemistry 2014, 716, 45-48. 

Finite Size Effects on the Structural Progression Induced by Lithiation of V₂O₅: A Combined Diffraction and Raman Spectroscopy Study. 

Horrocks, G. A.; Likely, M. F.; Velázquez, J. M.; Banerjee, S.

Journal of Materials Chemistry A 2013, 1 (48), 15265-15277. 

Effective Piezoelectric Response of Substrate-Integrated ZnO Nanowire Array Devices on Galvanized Steel. 

Velázquez, J. M.; Baskaran, S.; Gaikwad, A. V.; Ngo-Duc, T.-T.; He, X.; Oye, M. M.; Meyyappan, M.; Rout, T. K.; Fu, J. Y.; Banerjee, S.

ACS Applied Materials & Interfaces 2013, 5 (21), 10650-10657. 

Nanotexturation-Induced Extreme Wettability of an Elemental Tellurium Coating.

Velázquez, J. M.; Gaikwad , A. V.; Rout, T. K.; Baier, R. E.; Furlani, E. S.; Banerjee, S. 

Journal of Materials Chemistry  2011, 22 (8), 3335-3339. (Featured as the front cover) 

A Substrate Integrated and Scalable Templated Approach Based on Rusted Steel for the Fabrication of Polypyrrole Nanotube Arrays.

Velázquez, J. M.; Gaikwad , A. V.; Rout, T. K.; Rzayev, J.; Banerjee, S.

ACS Applied Materials and Interfaces 2011, 3 (4), 1238-1244. 

A VO-Seeded Approach for the Growth of Star-Shaped VO₂ and V₂O₅ Nanocrystals: Facile Synthesis, Structural Characterization, and Elucidation of Electronic Structure.

Whittaker, L.*; Velázquez, J. M.*; Banerjee, S. 

Cryst Eng Comm 2011, 13 (17), 5328-5336. (Also featured as the front cover, highlighted as a RSC Hot Article, included to the Crystal Clear Blog, and top ten most accessed article in June 2012) 

Near Edge X-ray Absorption Fine Structure Spectroscopy Studies of Single-Crystalline V₂O₅ Nanowire Arrays.

Velázquez, J. M.; Jaye, C.; Fischer, D. A.; Banerjee, S. 

The Journal of Physical Chemistry C 2009, 113 (18), 7639-7645. 

Catalytic Growth of Single-Crystalline V₂O₅ Nanowire Arrays. 

Velázquez, J. M.; Banerjee, S.,

Small 2009, 5 (9), 1025-1029.