​L. Liu, S. I. Johnson, A. M. Appel, R. M. Bullock, Oxidation of Ammonia Catalyzed by a Molecular Iron Complex: Translating Chemical Catalysis to Mediated Electrocatalysis. Angewandte Chemie International Edition. 2024, e202402635.

N. Kumar, W. Rishko, K. R. Fiedler, A. Hollas, J. Chun, S.I. Johnson*; Correlations between molecular structure, solvation topology, and transport properties of aqueous organic flow battery electrolyte solutions. ACS Materials Letters. 2023, 5, 3050-3057.

R.G. Ewing, G.L. Hart, M.K Nims, S.E. Murphy,  S.I. Johnson, J. Chun, E.H. Denis, Reducing ion diffusion at atmospheric pressure through intermingled positive and negative ions. International Journal of Mass Spectrometry, 2023, 492, 117115.

S.H.R. Shin, H.-S. Lim, K.S. Han, A.J. Robinson, A. Hollas, B.M. Sivakumar, S.I Johnson, J. Chun, W. Wang, V. Murugesan, P.K. Thallapally;  Porous Liquids as Electrolyte: A Case Study of Li+ and Mg2+ Ion Transport in Crown Ether-Based Type-II Porous Liquids. ACS Materials Letters, 2023, 5 (2), 330-335.

P. L. Dunn, M. Barona, S. I. Johnson, S. Raugei and R. M. Bullock, Hydrogen Atom Abstraction from an OsII(NH3)2 Complex Generates an OsIV(NH2)2 Complex: Experimental and Computational Analysis of the N–H Bond Dissociation Free Energies and Reactivity, Inorganic Chemistry, 2022, 39, 15325–15334.

B. J. Cook, M. Barona, S. I. Johnson, S. Raugei and R. M. Bullock, Weakening the N–H Bonds of NH3 Ligands: Triple Hydrogen-Atom Abstraction to Form a Chromium(V) Nitride, Inorganic Chemistry, 2022, 61, 11165-11172.

S. I. Johnson, J.M. DeMaria, B. Ginovska, G.M. Edvenson, H. Hagemann, S.T. Autrey, Exploring Detailed Reaction Pathways for Hydrogen Storage with Borohydrides Using DFT Calculations. Energy & Fuels 2022, 36 (10), 5513-5527.

M. Barona, S. I. Johnson*, M. Mbea, R. M. Bullock and S. Raugei, Computational Investigations of the Reactivity of Metalloporphyrins for Ammonia Oxidation, Topics in Catalysis. 2022, 65, 341-353.

S.I. Johnson*, M.D. Baer, S. Raugei, Protonation of Serine in Gas and Condensed and Microsolvated States in Aqueous Solution. Journal of Physical Chemistry A. 2022, 126 (1), 44-52.

Z. Wang, S. I. Johnson, G. Wu, and G. Menard. Multiple N-H and C-H Hydrogen Atom Abstractions Through Coordination-Induced Bond Weakening at Fe-Amine Complexes. Inorganic Chemistry 60, no. 11:8242-8251. 2021.

B. L. Tran, S. I. Johnson, K. P. Brooks, S. T. Autrey, Ethanol as a Liquid Organic Hydrogen Carrier for Seasonal Microgrid Application: Catalysis, Theory, and Engineering Feasibility. ACS Sustainable Chemistry & Engineering, 9, 7130-7138. doi:10.1021/acssuschemeng.1c01513. 2021

S. I. Johnson, J. D. Blakemore, B. S. Brunschwig, N. S. Lewis, H. B. Gray, W. A. Goddard and P. Persson., Design of robust 2,2′-bipyridine ligand linkers for the stable immobilization of molecular catalysts on silicon(111) surfaces, Physical Chemistry Chemical Physics., 2021.

P.L Dunn, B.J. Cook, S.I. Johnson, A.M. Appel, and R.M. Bullock. 2020. "Oxidation of Ammonia with Molecular Complexes." Journal of the American Chemical Society 142, no. 42:17845-17858.

Invited Perspective

D.J. Martin, S.I. Johnson, B.Q. Mercado, S. Raugei, and J.M. Mayer. Intramolecular Electrostatic Effects on O2, CO2, and Acetate Binding to a Cationic Iron Porphyrin. Inorganic Chemistry 59, no. 23:17402–17414. 2020.

A. C. Brezny, S. I. Johnson, S. Raugei and J. M. Mayer., Selectivity-Determining Steps in O2 Reduction Catalyzed by Iron(tetramesitylporphyrin), Journal of the American Chemical Society., 2020, 142, 4108-4113.

P. Dunn, S.I. Johnson, W. Kaminsky, R.M. Bullock. Diversion of Catalytic CN Bond Formation to Catalytic Oxidation of NH3 Through Modification of the Hydrogen Atom Abstractor. Journal of the American Chemical Society, 2020. 142, (7):3361-3365.

B.J. Cook, S.I. Johnson, G.M. Chambers, W. Kaminsky, R.M. Bullock. Triple hydrogen atom abstraction from Mn–NH3 complexes results in cyclophosphazenium cations. Chemical Communications 55 (93), 14058-14061, 2019

S.I. Johnson, S.P. Heins, C.M. Klug, E.S. Wiedner, R.M. Bullock, S. Raugei. Design and reactivity of pentapyridyl metal complexes for ammonia oxidation. Chemical Communications 55 (35), 5083-5086, 2019

Q. Liao, T. Liu, S.I. Johnson, C.M. Klug, E.S. Wiedner, R.M. Bullock, D.L. DuBois. Evaluation of attractive interactions in the second coordination sphere of iron complexes containing pendant amines. Dalton Transactions. 48 (15), 4867-4878, 2019

M. Pegis, C. Wise, D. Martin, S.I. Johnson, L.E. Johnson, N. Kumar, S. Raugei, and J.M. Mayer, Catalytic O2 Reduction by Iron Tetraphenyl Porphyrin Proceeds via an Anomalously High Proton Transfer Barrier. Journal of the American Chemical Society. 141 (20), 8315-8326, 2019

G.M. Chambers, S.I. Johnson, S. Raugei and R.M. Bullock. Anion Control of Tautomeric Equilibria: FeH vs. NH, Chemical Science. 10 (5), 1410-1418, 2019

P. Bhattacharya, Z. M. Heiden, G. M. Chambers, S. I. Johnson, R. M. Bullock, and M. T. Mock, Catalytic Ammonia Oxidation to Dinitrogen by Hydrogen Atom Abstraction. Angewandte Chemie International Edition 2019, 58 (34), 11618-11624.

A. J. Kendall, S. I. Johnson, R. M. Bullock, M. T. Mock, Catalytic Silylation of N2 and Synthesis of NH3 and N2H4 by Net Hydrogen Atom Transfer Reactions Using a Chromium P4 Macrocycle. Journal of the American Chemical Society. 2018, 140, 2528-2536

S. I. Johnson, H. B. Gray, J. D. Blakemore, W. A. Goddard III; Role of Ligand Protonation in Dihydrogen Evolution from a Pentamethylcyclopentadienyl Rhodium Catalyst. Inorganic Chemistry. 2017, 56, 11375-11386.

S. I. Johnson, R.J. Nielsen, W.A. Goddard III; Selectivity for HCO2- over H2 in the electrochemical catalytic reduction of CO2 by (PoCoP)IrH2. ACS Catalysis. 2016, 6, 6362-6371.

M.E. O’Reilly, S.I. Johnson, R.J. Nielsen, W.A. Goddard III, T.B. Gunnoe. Aromatic C–F Bond Activation in Acidic Media: C‒F/C‒OH Bond Metathesis. Organometallics. 2016, 35, 2053-2056.

L. Aguirre Quintana; S.I. Johnson; S.L. Corona; W. Villatoro; W.A. Goddard III; M. K. Takase; D. G. VanderVelde; J. R. Winkler; H. B. Gray; and J.D. Blakemore; Proton-Hydride Tautomerism in Hydrogen Evolution Catalysis. Proceedings of the National Academy of Sciences 2016, 113 (23), 6409-6414.

Featured in C&EN News, Volume 94, Issue 24

D.W. Shaffer, S.I. Johnson, J.W. Ziller, R.J. Nielsen, W.A. Goddard III, A.L. Rheingold, J.Y. Yang; Reactivity of a Series of Isostructural Cobalt Pincer Complexes with CO2, CO, and H+. Inorganic Chemistry. 2014. 53 (24) 13031

M. Zhou, M., S.I. Johnson, Y. Gao, T.J. Emge, R.J. Nielsen, W.A. Goddard III, A.S. Goldman, Activation and Oxidation of Mesitylene C–H Bonds by (Phebox)Iridium(III) Complexes. Organometallics. 2015. 34, 2879−2888

S.I. Johnson; A. Zevalkink; G.J. Snyder; Improved thermoelectric properties in Zn-doped Ca5Ga2Sb6. Journal of Materials Chemistry A. 2013, 1 (13), 4244-4249

A. Zevalkink, G. S. Pomrehn, S.I Johnson, J. Swallow, Z.M. Gibbs, G.J. Snyder. (2012). Influence of the Triel Elements (M = Al, Ga, In) on the Transport Properties of Ca5M2Sb6 Zintl Compounds. Chemistry of Materials. 24 (11): 2091-2098

D.M. King, J. Li, X.H. Liang, S.I. Johnson, M.M. Channel, A.W. Weimer, Crystal phase evolution in quantum confined ZnO domains on particles via atomic layer deposition, Cryst. Growth & Des. 9 (2009) 2828-2834.

D.M. King, S.I. Johnson, J. Li, X. Du, A.W. Weimer, Atomic layer deposition of quantum-confined ZnO nanostructures, Nanotechnology. 20 (2009) 195401.