Confinement controls reversible intra-pore redox cycling of platinum in HZSM-5 catalysts

K. Yalcin, R. Kumar, E. Zuidema, A.R. Kulkarni, J. Ciston, K.C. Bustillo, P. Ercius, A. Katz, B.C. Gates*, C.X. Kronawitter*, R.C. Runnebaum*, Submitted, 2023.

Impact of Local Structure in Supported CaO Catalysts for Soft Oxidant-Assisted Methane Coupling Assessed through Ca K-edge X-ray Absorption Spectroscopy

L.R. Filardi, F.D. Vila, J. Hong, A.S. Hoffman, J.E. Perez-Aguilar, S.R. Bare, R.C. Runnebaum*, C.X. Kronawitter*, Submitted, 2023.

Constraining Reaction Pathways for Methanol Oxidation through Operando Interrogation of Both the Surface and the Near-Surface Gas Phase

S.M. Gurses, N. Felvey, L.R. Filardi, A.J. Zhang, J. Wood, K. van
Benthem, J.H. Frank, D.L. Osborn, N. Hansen, C.X. Kronawitter*, Chem Catalysis, 2023, 3, 100782.

Surface basicity controls C-C coupling rates during carbon dioxide-assisted methane coupling over bifunctional Ca/ZnO catalysts

L.R. Filardi, F. Yang, J.H. Guo, C.X. Kronawitter*, R.C. Runnebaum*, Phys. Chem. Chem. Phys., 2023, 25, 9859-9867

The role of strain in proton conduction in multi-oriented BaZr0.9Y0.1O3−δ thin films

M.S. Saleem*, Q. Chen, N.A. Shepelin, S. Dolabella, M.D. Rossell, X. Zhang, C.X. Kronawitter, F. La Mattina, A. Braun*, ACS Appl. Mater. Inter., 2022, 50, 55915–5592.

Interconversion of Atomically Dispersed Platinum Cations and Platinum Clusters in Zeolite ZSM-5 and Formation of Platinum gem-Dicarbonyls

N. Felvey, J. Guo, R. Rana, L. Xu, S.R. Bare, B.C. Gates, A. Katz, A.R. Kulkarni*, R.C. Runnebaum*, C.X. Kronawitter*, J. Am. Chem. Soc., 2022, 144, 13874−13887

Quantitative Hole Mobility Simulation and Validation in Substituted Acenes

D. Vong, T. Nematiaram, M.A. Dettmann, T.L. Murrey, L.S.R. Cavalcante, S.M. Gurses, D. Radhakrishnan, L.L. Daemen, J.E. Anthony, K.J. Koski, C.X. Kronawitter, A. Troisi, A.J. Moulé*, J. Phys. Chem. Lett., 2022, 13, 5530-5537.

Atomically Dispersed Platinum in Surface and Subsurface Sites on MgO Have Contrasting Catalytic Properties for CO Oxidation

Y. Chen‡, R. Rana‡, Z. Huang, F.D. Vila, T. Sours, J.E. Perez-Aguilar, X. Zhao, J. Hong, A.S. Hoffman, X. Li, C. Shang, T. Blum, J. Zeng, M. Chi, M. Salmeron, C.X. Kronawitter*, S.R. Bare*, A.R. Kulkarni*, B.C. Gates*, J. Phys. Chem. Lett., 2022, 13, 3896–3903.

‡Equal contributors

Near-Surface Gas-Phase Methoxymethanol Is Generated by Methanol Oxidation over Pd-Based Catalysts

S.M. Gurses, T. Price, A. Zhang, J.H. Frank, N. Hansen, D.L. Osborn*, A.R. Kulkarni*, C.X. Kronawitter*, J. Phys. Chem. Lett., 2021, 12, 11252–11258.

A Theory-Guided X-Ray Absorption Spectroscopy Approach for Identifying Active Sites in Atomically-Dispersed Transition Metal Catalysts

Y. Chen‡, R. Rana‡, T. Sours‡, F.D. Vila, S. Cao, T. Blum, A.S. Hoffman, C.-Y. Fang, Z. Huang, C. Shang, C. Wang, J. Zeng, M. Chi, C.X. Kronawitter*, S.R. Bare*, B.C. Gates*, A.R. Kulkarni*, J. Am. Chem. Soc., 2021, 143, 20144–20156.

‡Equal contributors

Structural Health Monitoring of Irradiated High-Density Polyethylene Samples with Electrical Resistance Tomography

S. Rastogi, D. Bartolo, S.M. Gurses, C.X. Kronawitter, V. La Saponara*, J Mater. Sci., 2021, 56, 17824–17842.

Electrochemistry of the interaction of methane with platinum at room temperature investigated through operando FTIR spectroscopy and voltammetry

S.M. Gurses, C.X. Kronawitter*, J. Phys. Chem. C, 2021, 125, 2944–2955.

A contribution to the Emily A. Carter Festschrift virtual special issue of The Journal of Physical Chemistry

Near-surface imaging of the multi-component gas phase above a silver catalyst during partial oxidation of methanol

B. Zhou, E. Huang, R. Almeida, S.M. Gurses, A. Ungar, J. Zetterberg, A.R. Kulkarni, C.X. Kronawitter, D.L. Osborn, N. Hansen, J.H. Frank*, ACS Catal., 2021, 11, 155-168.

Room temperature and atmospheric pressure aqueous partial oxidation of ethane to oxygenates over AuPd catalysts

Y.L. Wang,‡ S.M. Gurses,‡ N. Felvey, C.X. Kronawitter*, Catal. Sci. Technol., 2020, 10, 6679-6686.

‡Equal contributors

Supported metal pair-site catalysts

E. Guan, J. Ciston, S.R. Bare, R.C. Runnebaum, A. Katz, A.R. Kulkarni, C.X. Kronawitter, B.C. Gates*, ACS Catal.2020, 10, 9065–9085.

Ethane dehydrogenation over Cr/ZSM-5: Characterization of active sites through probe molecule adsorption FTIR

N. Felvey, M. Meloni, C.X. Kronawitter*, R.C. Runnebaum*. Catal. Sci. Technol.2020, 10, 5069-5081.

In situ deposition of Pd during oxygen reduction yields highly selective and active electrocatalysts for direct H2O2 production

Y.L. Wang, S.M. Gurses, N. Felvey, A. Boubnov, S.S. Mao, C.X. Kronawitter*. ACS Catal., 2019, 9, 8453-8463.

Reversible structural evolution of NiCoOxHy during the oxygen evolution reaction and identification of the catalytically active phase

Z. Chen, L. Cai, X. Yang, C.X. Kronawitter, L. Guo, S. Shen, B.E. Koel. ACS Catal., 20188, 1238-1247.

Nanomaterials for Renewable and Sustainable Energy

A special issue of Nanomaterials, 2018.
(Guest Editor, C.X. Kronawitter)

Investigation of water dissociation and surface hydroxyl stability on pure and Ni-modified CoOOH by ambient pressure photoelectron spectroscopy

Z. Chen, C.X. Kronawitter, I. Waluyo, B.E. Koel. J. Phys. Chem. B, 2018, 122, 810-817.

The promoting effect of tetravalent cerium on the oxygen evolution activity of copper oxide catalysts

Z. Chen, C.X. Kronawitter, X. Yang, Y.-w. Yeh, N. Yao, B.E. Koel. Phys. Chem. Chem. Phys., 201719, 31545-31552.
Selected as: Cover article
Selected for: 2017 PCCP HOT Articles

An overview of photocatalytic materials

S. Shen, C.X. Kronawitter, G. Kiriakidis. J. Materiomics, 2017, 3, 1-2.

Electrocatalytic hydrogenation of pyridinium enabled by surface proton transfer reactions

C.X. Kronawitter, Z. Chen, P. Zhao, X. Yang, B. E. Koel. Catal. Sci. Technol., 2017, 7, 831-837.
Selected for: 2017 Catalysis, Science and Technology Hot Articles

Photocatalytic Materials, a special issue of J. Materiomics. 2017, 3.
(Guest Editor, C.X. Kronawitter)

Activity of pure and transition metal-modified CoOOH for the oxygen evolution reaction in an alkaline medium

Z. Chen, C.X. Kronawitter, Y.-W. Yeh, X. Yang, P. Zhao, N. Yao, B.E. Koel. J. Mater. Chem. A, 2017, 5, 842-850.

Published prior to UCD:

Orbital-resolved imaging of the adsorbed state of pyridine on GaP(110) identifies sites susceptible to nucleophilic attack

C.X. Kronawitter, M. Lessio, P. Zahl, A.B. Muñoz-García, P. Sutter, E.A. Carter, B.E. Koel. J. Phys. Chem C., 2015, 119, 28917.

Observation of surface-bound negatively charged hydride and hydroxide on GaP(110) in H2O environments

C.X. Kronawitter, M. Lessio, P. Zhao, C. Riplinger, A. Boscoboinik, D.E. Starr, P. Sutter, E.A. Carter, B.E. Koel. J. Phys. Chem. C, 2015, 119, 17762.

Facet-dependent activity and stability of Co3O4 nanocrystals towards the oxygen evolution reaction

Z. Chen, C.X. Kronawitter, B.E. Koel. Phys. Chem. Chem. Phys., 2015, 17, 29387.

The (0001) Surfaces of α-Fe2O3 Nanocrystals are Preferentially Activated for Water Oxidation by Ni Doping

P. Zhao, F. Wu, C.X. Kronawitter, Z. Chen, N. Yao, B.E. Koel. Phys. Chem. Chem. Phys., 2015, 17, 26797.

Synchrotron-based spectroscopy for solar energy conversion

F.J. Himpsel, P.L. Cook, I. Zegkinoglou, I. Boukahil, R. Qiao, W. Yang, S.C. Pemmaraju, D. Prendergast, C.X. Kronawitter, M.G. Kibria, Z. Mi, L. Vayssieres. Solar Hydrogen and Nanotechnology, Proc. SPIE, 2015, 9560, 95600G-1-7.

Hydrogen-bonded cyclic water clusters nucleated on an oxide surface

C.X. Kronawitter, C. Riplinger, X. He, P. Zahl, E.A. Carter, P. Sutter, B.E. Koel. J. Am. Chem. Soc.2014136, 13283.

Titanium incorporation into hematite photoelectrodes: Theoretical considerations and experimental observations

C.X. Kronawitter, I. Zegkinoglou, S.-H. Shen, P. Liao, I.S. Cho, O. Zandi, Y.-S. Liu, K. Lashgari, G. Westin, J.-H. Guo, F.J. Himpsel, E.A. Carter, X.L. Zheng, T.W. Hamann, B.E. Koel, S.S. Mao, L. Vayssieres. Energy Environ. Sci., 2014, 7, 3100.

WO3-α-Fe2O3 composite photoelectrodes with low onset potential for solar water oxidation

P. Zhao, C.X. Kronawitter, X. Yang, J. Fu, B.E. Koel. Phys. Chem. Chem. Phys., 2014, 16, 1327.

On the orbital anisotropy in hematite nanorod-based photoanodes

C.X. Kronawitter, I. Zegkinoglou, J.-H. Guo, F. J. Himpsel, S.S. Mao, L. Vayssieres. Phys. Chem. Chem. Phys., 2013, 15, 13483.

A ZnO/ZnO:Cr isostructural nanojunction electrode for photoelectrochemical water splitting

S. Shen, C.X. Kronawitter, J. Jiang, P. Guo, L. Guo, S.S. Mao. Nano Energy, 2013, 2, 958.

Physical and photoelectrochemical characterization of Ti-doped hematite photoanodes prepared by solution growth

S. Shen, C.X. Kronawitter, D.A. Wheeler, P. Guo, S.A. Lindley, J. Jiang, J.Z. Zhang, L. Guo, S.S. Mao. J. Mater. Chem. A, 2013, 1, 14498.

Physical and photoelectrochemical properties of Zr-doped hematite nanorod arrays

S. Shen, P. Guo, D.A. Wheeler, J. Jiang, S.A. Lindley, C.X. Kronawitter, J.Z. Zhang, L. Guo, S.S. Mao. Nanoscale, 2013, 5, 9867.

ZnO deposition on metal substrates: Relating fabrication, morphology, and wettability

S.S. Beaini, C.X. Kronawitter, V.P. Carey, S.S. Mao. J. Appl. Phys., 2013, 113, 184905.

Design of solar cell materials via soft X-ray spectroscopy

F.J. Himpsel, P.L. Cook, G. de la Torre, J. M. Garcia-Lastra, R. Gonzalez-Moreno, J.-H. Guo, R.J. Hamers, C.X. Kronawitter, P.S. Johnson, J.E. Ortega, D. Pickup, M.-E. Ragoussi, C. Rogero, A. Rubio, R.E. Ruther, L. Vayssieres, W. Yang, I. Zegkinoglou. J. Electron. Spectr. Relat. Phenom., 2013, 190(A), 2.

Engineering impurity distributions in photoelectrodes for solar water oxidation

C.X. Kronawitter, Z. Ma, D. Liu, S.S. Mao, B.R. Antoun. Adv. Energy Mater., 2012, 2, 52.

On the interfacial electronic structure origin of efficiency enhancement in Hematite photoanodes

C.X. Kronawitter, I. Zegkinoglou, C. Rogero, J.-H. Guo, S.S. Mao, F. J. Himpsel, L. Vayssieres. J. Phys. Chem. C, 2012, 116, 22780.

Effect of Cr doping on the photoelectrochemical performance of hematite nanorod photoanodes

S. Shen, J. Jiang, P. Guo, C.X. Kronawitter, S.S. Mao, L. Guo. Nano Energy, 2012, 1, 732.

Surface tuning for promoted charge transfer in hematite nanorod arrays as water-splitting photoanodes

S. Shen, C.X. Kronawitter, J. Jiang, S.S. Mao, L. Guo. Nano Res., 2012, 5, 327.

Soft X-ray characterization of Zn1-xSnxO electronic structure for thin film photovoltaics

M. Kapilashrami, C.X. Kronawitter, T. Törndahl, J. Lindahl, A. Hultqvist, W.-C Wang, C.-L. Chang, S.S. Mao, J.-H. Guo. Phys. Chem. Chem. Phys., 2012, 14, 10154.

TiO2-SnO2:F interfacial electronic structure investigated by soft X-ray absorption spectroscopy

C.X. Kronawitter, M. Kapilashrami, J.R. Bakke, S.F. Bent, C.-H. Chuang, W.-F. Pong, J.-H. Guo, L. Vayssieres, S.S. Mao. Phys. Rev. B, 2012, 85, 125109.

Heavy p-type doping of ZnSe thin films using Cu2Se in pulsed laser deposition

X. Zhang, K.M. Yu, C.X. Kronawitter, Z. Ma, P.Y. Yu, S.S. Mao. Appl. Phys. Lett., 2012, 101, 042107.

Growth of highly oriented YSZ and CeO2 films with Tasker-forbidden surfaces in oxygen-deficient environments

X. Zhang, C.X. Kronawitter, P. Berdahl, S.S. Mao. J. Appl. Phys., 2012, 111, 093530.

A perspective on solar-driven water splitting with all-oxide hetero-nanostructures

C.X. Kronawitter, L. Vayssieres, S. Shen, L. Guo, D.A. Wheeler, J.Z. Zhang, B.R. Antoun, S.S. Mao. Energy Environ. Sci., 2011, 4, 3889.
Highly Cited Paper in Environment/Ecology, ISI Web of Knowledge

Electron enrichment in 3d transition metal oxide hetero-nanostructures

C.X. Kronawitter, J.R. Bakke, D.A. Wheeler, W.-C. Wang, C. Chang, B.R. Antoun, J.Z. Zhang, J.-H. Guo, S.F. Bent, S.S. Mao, L. Vayssieres. Nano Lett., 2011, 11, 3855.

Doped, porous iron oxide films and their optical functions and anodic photocurrents for solar water splitting

C.X. Kronawitter, S.S. Mao, B.R. Antoun. Appl. Phys. Lett., 2011, 98, 092108.
Selected for Nature Photonics Research Highlights: Nature Photonics, 2011, 5, 265

Solar light-driven photocatalytic hydrogen evolution over ZnIn2S4 loaded with transition-metal sulfides

S. Shen, X. Chen, F. Ren, C.X. Kronawitter, S.S. Mao, L. Guo. Nanoscale Res. Lett., 2011,6, 290.

Surface modification of α-Fe2O3 nanorod array photoanodes for improved light-induced water splitting

S. Shen, C.X. Kronawitter, L. Guo, S.S. Mao. Mater. Res. Soc. Symp. Proc., 2011, 1326, mrss11-1326-f08-06.

Effect of noble metal in CdS/M/TiO2 for photocatalytic degradation of methylene blue under visible light

S. Shen, L. Guo, X. Chen, F. Ren, C.X. Kronawitter, S.S. Mao. Int. J. Green Nanotech.: Mat. Sci. Eng., 2010, 1, M94.

Pulsed laser deposition of metal oxide photoelectrodes for solar-driven hydrogen production

C.X. Kronawitter, S.S. Mao. Solar Hydrogen and Nanotechnology, Proc. SPIE, 2009, 7408, 740808-1-9.