2020
Vanka, S., Zhou, B., Awni, R.A., Song, Z., Chowdhury, F.A., Liu, X., Hajibabaei, H., Shi, W., Xiao, Y., Navid, I.A., Pandey, A., Chen, R., Botton, G.A. Hamann, T.W., Wang, D., Yan, Y, Mi; "InGaN/Si Double-Junction Photocathode for Unassisted Solar Water Splitting" ACS Energy Letters 2020, 5, XXX, 3741–3751 DOI: 10.1021/acsenergylett.0c01583
Han, R., Kim, T.Y., Hamann, T.W., Osterloh, F.E.; “Photochemical Charge Separation and Dye Self-Oxidation Control Performance of Fluorescein, Rose Bengal, and Triphenylamine Dye-Sensitized Solar Cells” Journal of Physical Chemistry C 2020, XX, XXXX - XXXX DOI: 10.1021/acs.jpcc.0c09052
Shadabipour, P., Raithel, A.L., Hamann, T.W.; “Charge-Carrier Dynamics at the CuWO4/Electrocatalyst Interface for Photoelectrochemical Water Oxidation” ACS Applied Materials & Interfaces 2020, 12, 45, 50592- 50599 DOI: 10.1021/acsami.0c14705
Qing, G., Ghazfar, R., Jackowski, S.T., Habibzadeh, F., Maleka Ashtiani, M., Chen, C. Smith, M.R., Hamann, T.W.; “Recent Advances and Challenges of Electrocatalytic N2 Reduction to Ammonia” Chemical Reviews 2020,120, 12, 5437–5516
Raithel, A.L., Kim, T.Y., Nielsen, K., Staples, R.J., Hamann, T.W.; “Low-Spin Cobalt(II) Redox Shuttle by Isocyanide Coordination” Sustainable Energy & Fuels 2020 4, 2497 - 2507
Kim, T.Y., Wang, Y., Raithel, A.L., Hamann, T.W.; “Real-Time Observation of the Diffusion Mechanism Progression from Liquid to Solid-State of Transition Metal Complexes” ACS Energy Letters 2020 5, 2, 583-588
Shadabipour, P., Hamann, T.W.; “Interface Passivation to Overcome Shunting in Semiconductor-Catalyst Junctions” Chemical Communications 2020, 56, 2570 - 2573
2019
Broadwater, D., Bates, M., Jayaram, M., Young, M., He, J., Raithel, A.L., Hamann, T.W., Zhang, W., Borhan, B., Lunt, R.R., Lunt, S.Y. “Modulating Cellular Cytotoxicity and Phototoxicity of Fluorescent Organic Salts through Counterion Pairing” Scientific reports 2019, 9, 15288
Hajibabaei, H. Little, D., Pandey, A., Wang, D., Mi, Z., Hamann, T.W.; “Direct Deposition of Crystalline Ta3N5 Thin-Films on FTO for PEC Water Splitting” ACS Applied Materials & Interfaces 2019, 11, 17, 15457-15466
Qing, G., Hamann, T.W.; "New Electrolytic Devices Produce Ammonia with Exceptional Selectivity" Joule 2019, 3 (3), 634–636
He, Y., Vanka, S., Gao, T., He, Da, Espano, J., Zhao, Y., Dong, Q., Lang, C., Wang, Y., Hamann, T.W., Mi, Z., Wang, D.; "Dependence of interface energetics and kinetics on catalyst loading in a photoelectrochemical system" Nano Research 2019, DOI: 10.1007/s12274-019-2346-3
Habibzadeh, F., Miller, S.L., Hamann, T.W., Smith, M.R.; “Homogeneous electrocatalytic oxidation of ammonia to N2 under mild conditions” Proceedings of the National Academy of Science, 2019, 116 (8) 2849-2853
He, Y., Hamann, T.W., Wang, D.; “Thin film photoelectrodes for solar water splitting” Chemical Society Reviews, 2019, DOI: 10.1039/C8CS00868J
Broadwater, D., Bates, M., Jayaram, M., Young, M., He, J., Raithel, A.L., Hamann, T.W., Zhang, W., Borhan, B., Lunt, R.R., Lunt, S.Y. “Modulating Cellular Cytotoxicity and Phototoxicity of Fluorescent Organic Salts through Counterion Pairing” Scientific reports 2019, 9, 15288
Hajibabaei, H. Little, D., Pandey, A., Wang, D., Mi, Z., Hamann, T.W.; “Direct Deposition of Crystalline Ta3N5 Thin-Films on FTO for PEC Water Splitting” ACS Applied Materials & Interfaces 2019, 11, 17, 15457-15466
Qing, G., Hamann, T.W.; "New Electrolytic Devices Produce Ammonia with Exceptional Selectivity" Joule 2019, 3 (3), 634–636
He, Y., Vanka, S., Gao, T., He, Da, Espano, J., Zhao, Y., Dong, Q., Lang, C., Wang, Y., Hamann, T.W., Mi, Z., Wang, D.; "Dependence of interface energetics and kinetics on catalyst loading in a photoelectrochemical system" Nano Research 2019, DOI: 10.1007/s12274-019-2346-3
Habibzadeh, F., Miller, S.L., Hamann, T.W., Smith, M.R.; “Homogeneous electrocatalytic oxidation of ammonia to N2 under mild conditions” Proceedings of the National Academy of Science, 2019, 116 (8) 2849-2853
He, Y., Hamann, T.W., Wang, D.; “Thin film photoelectrodes for solar water splitting” Chemical Society Reviews, 2019, DOI: 10.1039/C8CS00868J
2018
Wang, Y., Hamann, T.W.; “Improved Performance Induced by in-situ Ligand Exchange Reactions of Copper Bipyridyl Redox Couples in Dye-Sensitized Solar Cells” Chemical Communications, 2018, DOI: 10.1039/C8CC07191H
Baillargeon, J., Xie, Y., Raithel, A.L., Ghaffari, B., Staples, R.J., Hamann, T.W.; “Spin-Doctoring Cobalt Redox Shuttles for Dye-Sensitized Solar Cells” Inorganic Chemistry 2018, 57 (18), 11633–11645
Qiu, J., Hajibabaei, H., Nellist, M.R., Laskowski, F.A.L, Oener, S.Z., Hamann, T.W., Boettcher, S.W.; “Correction to Catalyst Deposition on Photoanodes: The Roles of Intrinsic Catalytic Activity, Catalyst Electrical Conductivity, and Semiconductor Morphology” ACS Energy Letters 2018, 3, 1771-1771
Hajibabaei, H., Gao, Y., Hamann, T.W “Unravelling the Charge Transfer Mechanism in Water Splitting Hematite Photoanodes.” In Advances in Photoelectrochemical Water Splitting: Theory, Experiment and Systems Analysis; The Royal Society of Chemistry, 2018; pp 100 – 127.
Liu, D., Wang, Q., Elinski, M., Chen, P., Traverse, C.J., Yang, C., Young, M., Hamann, T.W., Lunt, R.R.; “Ultrathin Hole Extraction Layer for Efficient Inverted Perovskite Solar Cells” ACS Omega, 2018, 3 (6) 6339 - 6345
Wang, Q., Jiang, C., Zhang, P., Hamann, T.W.; “Overcoming Bulk Recombination Limits of Layered Perovskite Solar Cells with Mesoporous Substrates” Journal of Physical Chemistry C, 2018 DOI: 10.1021/acs.jpcc.8b01592
*Prashant V, Kamat Festschrift
Jiang, C., Xie, Y., Lunt, R.R., Hamann, T.W., Zhang, P.; Elucidating the Impact of Thin Film Texture on Charge Transport and Collection in Perovskite Solar Cells" ACS Omega 2018 3 (3), 3522-3529
Qiu, J., Hajibabaei, H., Nellist, M.R., Laskowski, F.A.L, Hamann, T.W., Boettcher, S.W.; “Catalyst Deposition on Photoanodes: The Roles of Intrinsic Catalytic Activity, Catalyst Electrical Conductivity, and Semiconductor Morphology” ACS Energy Letters 2018, 3, 961-969
Liu, D., Wang, Q., Traverse, C.J., Yang, C., Young, M., Kuttipillai, P.S., Lunt, S.Y., Hamann, T.W., Lunt, R.R.; “Impact of Ultrathin C60 on Perovskite Photovoltaic Devices” ACS Nano, 2018, 12 (1) 876 - 883
Nellist, M.R., Laskowski, F.A.L, Qiu, J., Hajibabaei, H., Sivula, K., Hamann, T.W., Boettcher, S.W.; “Potential-sensing electrochemical atomic force microscopy for in operando analysis of water-splitting catalysts and interfaces” Nature Energy 2018, 3, 46 - 52
*Nature Energy (2017), News and Views, by Francesca Maria Toma
Wang, Y., Hamann, T.W.; “Improved Performance Induced by in-situ Ligand Exchange Reactions of Copper Bipyridyl Redox Couples in Dye-Sensitized Solar Cells” Chemical Communications, 2018, DOI: 10.1039/C8CC07191H
Baillargeon, J., Xie, Y., Raithel, A.L., Ghaffari, B., Staples, R.J., Hamann, T.W.; “Spin-Doctoring Cobalt Redox Shuttles for Dye-Sensitized Solar Cells” Inorganic Chemistry 2018, 57 (18), 11633–11645
Qiu, J., Hajibabaei, H., Nellist, M.R., Laskowski, F.A.L, Oener, S.Z., Hamann, T.W., Boettcher, S.W.; “Correction to Catalyst Deposition on Photoanodes: The Roles of Intrinsic Catalytic Activity, Catalyst Electrical Conductivity, and Semiconductor Morphology” ACS Energy Letters 2018, 3, 1771-1771
Hajibabaei, H., Gao, Y., Hamann, T.W “Unravelling the Charge Transfer Mechanism in Water Splitting Hematite Photoanodes.” In Advances in Photoelectrochemical Water Splitting: Theory, Experiment and Systems Analysis; The Royal Society of Chemistry, 2018; pp 100 – 127.
Liu, D., Wang, Q., Elinski, M., Chen, P., Traverse, C.J., Yang, C., Young, M., Hamann, T.W., Lunt, R.R.; “Ultrathin Hole Extraction Layer for Efficient Inverted Perovskite Solar Cells” ACS Omega, 2018, 3 (6) 6339 - 6345
Wang, Q., Jiang, C., Zhang, P., Hamann, T.W.; “Overcoming Bulk Recombination Limits of Layered Perovskite Solar Cells with Mesoporous Substrates” Journal of Physical Chemistry C, 2018 DOI: 10.1021/acs.jpcc.8b01592
*Prashant V, Kamat Festschrift
Jiang, C., Xie, Y., Lunt, R.R., Hamann, T.W., Zhang, P.; Elucidating the Impact of Thin Film Texture on Charge Transport and Collection in Perovskite Solar Cells" ACS Omega 2018 3 (3), 3522-3529
Qiu, J., Hajibabaei, H., Nellist, M.R., Laskowski, F.A.L, Hamann, T.W., Boettcher, S.W.; “Catalyst Deposition on Photoanodes: The Roles of Intrinsic Catalytic Activity, Catalyst Electrical Conductivity, and Semiconductor Morphology” ACS Energy Letters 2018, 3, 961-969
Liu, D., Wang, Q., Traverse, C.J., Yang, C., Young, M., Kuttipillai, P.S., Lunt, S.Y., Hamann, T.W., Lunt, R.R.; “Impact of Ultrathin C60 on Perovskite Photovoltaic Devices” ACS Nano, 2018, 12 (1) 876 - 883
Nellist, M.R., Laskowski, F.A.L, Qiu, J., Hajibabaei, H., Sivula, K., Hamann, T.W., Boettcher, S.W.; “Potential-sensing electrochemical atomic force microscopy for in operando analysis of water-splitting catalysts and interfaces” Nature Energy 2018, 3, 46 - 52
*Nature Energy (2017), News and Views, by Francesca Maria Toma
2017
Hajibabaei, H., Hamann, T.W.; “Selective Electrodeposition of Tantalum(V) Oxide Electrodes” Langmuir 2017, 33 (41), 10800–10806
Farha, O., Hamann, T.W., Martinson, A.B.F., Mulfort, K.; “Material and Interfaces for Energy Related Applications” ACS Applied Materials & Interfaces 2017, 9 (39), 33377–333788
Chu, S., Li, W., Yan, Y., Hamann, T.W., Shih, I., Wang, D., Mi, Z.; “Roadmap on Solar Water Splitting: Current Status and Future Prospects” Nano Futures 2017, 1, 022001
*NanoTechWeb Highlight
Qiu, J., Hajibabaei, H., Nellist, M.R., Laskowski, F.A.L, Hamann, T.W., Boettcher, S.W.; “Direct In Situ Measurement of Charge Transfer Processes During Photoelectrochemical Water Oxidation on Catalyzed Hematite” ACS Central Science 2017, 3 (9), 1015-1025
Hajibabaei, H., Schon, A.R., Hamann, T.W.; “Interface Control of PEC Water Oxidation Performance with Ni1-xFexOy Modified Hematite Photoanodes” Chemistry of Materials 2017, 29 (16), 6674-6683
Gao, Y., Hamann, T.W.; “Elucidation of CuWO4 Surface States During Photoelectrochemical Water Oxidation” Journal of Physical Chemistry Letters, 2017, 8 (12), 2700-2704
*Live Slide Presentation
Little, D.J., Edwards, D.O., Smith, M.R., Hamann, T.W.; “As Precious as Platinum: Iron Nitride for Electrocatalytic Oxidation of Liquid Ammonia” ACS Applied Materials & Interfaces 2017, 9 (19), 16228-16235
Baillargeon, J., Xie, Y., Hamann, T.W.; “Bifurcation of Regeneration and Recombination in Dye-Sensitized Solar Cells via Electronic Manipulation of Tandem Cobalt Redox Shuttles” ACS Applied Materials & Interfaces 2017, 9 (30), 33544–33548
Gao, Y., Hamann, T.W.; “Quantitative Hole Collection for Photoelectrochemical Water Oxidation with CuWO4 ” Chemical Communications, 2017, 53, 1285–1288
Hajibabaei, H., Hamann, T.W.; “Selective Electrodeposition of Tantalum(V) Oxide Electrodes” Langmuir 2017, 33 (41), 10800–10806
Farha, O., Hamann, T.W., Martinson, A.B.F., Mulfort, K.; “Material and Interfaces for Energy Related Applications” ACS Applied Materials & Interfaces 2017, 9 (39), 33377–333788
Chu, S., Li, W., Yan, Y., Hamann, T.W., Shih, I., Wang, D., Mi, Z.; “Roadmap on Solar Water Splitting: Current Status and Future Prospects” Nano Futures 2017, 1, 022001
*NanoTechWeb Highlight
Qiu, J., Hajibabaei, H., Nellist, M.R., Laskowski, F.A.L, Hamann, T.W., Boettcher, S.W.; “Direct In Situ Measurement of Charge Transfer Processes During Photoelectrochemical Water Oxidation on Catalyzed Hematite” ACS Central Science 2017, 3 (9), 1015-1025
Hajibabaei, H., Schon, A.R., Hamann, T.W.; “Interface Control of PEC Water Oxidation Performance with Ni1-xFexOy Modified Hematite Photoanodes” Chemistry of Materials 2017, 29 (16), 6674-6683
Gao, Y., Hamann, T.W.; “Elucidation of CuWO4 Surface States During Photoelectrochemical Water Oxidation” Journal of Physical Chemistry Letters, 2017, 8 (12), 2700-2704
*Live Slide Presentation
Little, D.J., Edwards, D.O., Smith, M.R., Hamann, T.W.; “As Precious as Platinum: Iron Nitride for Electrocatalytic Oxidation of Liquid Ammonia” ACS Applied Materials & Interfaces 2017, 9 (19), 16228-16235
Baillargeon, J., Xie, Y., Hamann, T.W.; “Bifurcation of Regeneration and Recombination in Dye-Sensitized Solar Cells via Electronic Manipulation of Tandem Cobalt Redox Shuttles” ACS Applied Materials & Interfaces 2017, 9 (30), 33544–33548
Gao, Y., Hamann, T.W.; “Quantitative Hole Collection for Photoelectrochemical Water Oxidation with CuWO4 ” Chemical Communications, 2017, 53, 1285–1288
2016
Hajibabaei, H., Zandi, O., Hamann, T.W.; “Tantalum Nitride Films Integrated with Transparent Conductive Oxide Substrates via Atomic Layer Deposition for Photoelectrochemical Water Splitting” Chemical Science, 2016, 7, 6760–6767
Zandi, O., Hamann, T.W.; “Determination of Photoelectrochemical Water Oxidation Intermediates on Hematite Electrode Surfaces Using Operando Infrared Spectroscopy” Nature Chemistry, 2016, 8, 778-783
*Nature Chemistry 8, 740–741 (2016), News and Views, by Alexander Cowan
Mandal, D., Hamann, T.W.; “Charge distribution in nanostructured TiO2 photoanodes determined by quantitative analysis of the band edge unpinning” ACS Applied Materials & Interfaces 2016, 8 (1), 419–424
Zandi, O., Schon, A.R., Hajibabaei, H., Hamann, T.W.; “Enhanced Charge Separation and Collection in High Performance Electrodeposited Hematite Films” Chemistry of Materials, 2016, 28 (3), 765–771
Gao, Y., Zandi, O., Hamann, T.W.; “Atomic Layer Stack Deposition-Annealing Synthesis of CuWO4” Journal of Materials Chemistry A, 2016, 4, 2826-2830
*special edition “Water splitting and photocatalysis” edited by Mallouk, Boettcher and Osterloh
Hajibabaei, H., Zandi, O., Hamann, T.W.; “Tantalum Nitride Films Integrated with Transparent Conductive Oxide Substrates via Atomic Layer Deposition for Photoelectrochemical Water Splitting” Chemical Science, 2016, 7, 6760–6767
Zandi, O., Hamann, T.W.; “Determination of Photoelectrochemical Water Oxidation Intermediates on Hematite Electrode Surfaces Using Operando Infrared Spectroscopy” Nature Chemistry, 2016, 8, 778-783
*Nature Chemistry 8, 740–741 (2016), News and Views, by Alexander Cowan
Mandal, D., Hamann, T.W.; “Charge distribution in nanostructured TiO2 photoanodes determined by quantitative analysis of the band edge unpinning” ACS Applied Materials & Interfaces 2016, 8 (1), 419–424
Zandi, O., Schon, A.R., Hajibabaei, H., Hamann, T.W.; “Enhanced Charge Separation and Collection in High Performance Electrodeposited Hematite Films” Chemistry of Materials, 2016, 28 (3), 765–771
Gao, Y., Zandi, O., Hamann, T.W.; “Atomic Layer Stack Deposition-Annealing Synthesis of CuWO4” Journal of Materials Chemistry A, 2016, 4, 2826-2830
*special edition “Water splitting and photocatalysis” edited by Mallouk, Boettcher and Osterloh
2015
Xie, Y., Baillargeon, J., Hamann, T.W.; “Regeneration and Recombination Reactions in Dye Sensitized Solar Cells Employing Cobalt Redox Shuttles” Journal of Physical Chemistry C., 2015, 119 (50), 28155–28166
Zandi, O., Hamann, T.W.; “The Potential versus Current State of Water Splitting with Hematite” Physical Chemistry Chemical Physics, 2015, 17, 22485-22503
Little, D.J., Smith, M.R., Hamann, T.W.; “Electrolysis of Liquid Ammonia for Hydrogen Generation” Energy & Environmental Science, 2015, 8, 2775-2781
Mandal, D., Hamann, T.W.; “Energetics of Nanoparticle Semiconductor Electrodes Determined by Spectroelectrochemical Measurements of Free Electrons.” Physical Chemistry Chemical Physics 2015, 17, 11156–11160
Klahr, B., Gimenez, S. Zandi, O., Fabregat-Santiago, F., Hamann, T.; “Competitive Photoelectrochemical Methanol and Water Oxidation with Hematite Electrodes.” ACS Applied Materials & Interfaces 2015, 7 (14), 7653–7660
Xie, Y., Baillargeon, J., Hamann, T.W.; “Regeneration and Recombination Reactions in Dye Sensitized Solar Cells Employing Cobalt Redox Shuttles” Journal of Physical Chemistry C., 2015, 119 (50), 28155–28166
Zandi, O., Hamann, T.W.; “The Potential versus Current State of Water Splitting with Hematite” Physical Chemistry Chemical Physics, 2015, 17, 22485-22503
Little, D.J., Smith, M.R., Hamann, T.W.; “Electrolysis of Liquid Ammonia for Hydrogen Generation” Energy & Environmental Science, 2015, 8, 2775-2781
Mandal, D., Hamann, T.W.; “Energetics of Nanoparticle Semiconductor Electrodes Determined by Spectroelectrochemical Measurements of Free Electrons.” Physical Chemistry Chemical Physics 2015, 17, 11156–11160
Klahr, B., Gimenez, S. Zandi, O., Fabregat-Santiago, F., Hamann, T.; “Competitive Photoelectrochemical Methanol and Water Oxidation with Hematite Electrodes.” ACS Applied Materials & Interfaces 2015, 7 (14), 7653–7660
2014
Hamann, T.W.; “Perovskites take lead in solar hydrogen race.” Science 345, 1566 (2014)
*Science 345, 1593 (2014), by Luo, Grätzel and co-workers
Young, K.M.H., Hamann, T.W.; “Enhanced photocatalytic water oxidation efficiency with Ni(OH)2 catalysts deposited on a-Fe2O3 via ALD.” Chem. Commun., 2014, 50 (63) 8727-8730
Kronawitter, C.X., Zegkinoglou, I., Shen, S.H., Liao, P., Cho, I.S., Zandi, O., Lashgari, K., Westin, G., Guo, J.H., Himpsel, F.J., Carter, E.A., Zheng, X.L., Hamann, T.W., Koel, B.E., Mao, S.S., Vayssieres, L.; “On Theoretical and Experimental Titanium Incorporation into Hematite Nanostructures” Energy Environ. Sci., 2014, 7, 3100-3121
Soman, S., Xie, Y., Hamann, T.W.; “Cyclometalated sensitizers for DSSCs employing cobalt redox shuttles” Polyhedron, 2014, 82, 139–147
*special edition “Molecular Materials for Solar Energy Conversion” edited by Ed Constable
Zandi, O., Hamann, T.W.; “Enhanced Photovoltage Through Selective Surface State Removal” J. Phys. Chem. Lett. 2014, 5 (9), 1522–1526
*Live Slide Presentation
Klahr, B.M.; Hamann, T.W.; “Water Oxidation on Hematite Photoelectrodes: Insight on the Nature and Identity of Surface States through In-situ Spectroelectrochemistry” J. Phys. Chem. C 2014, 118 (19), 10393–10399
Zandi, O., Beardslee, J.A., Hamann, T.W.; “Substrate Dependent Water Splitting with Ultrathin α-Fe2O3 Electrodes” J. Phys. Chem. C 2014, 118 (30), 16494–16503
*Michael Gratzel Festschrift
Hamann, T.W.; “Water splitting: An adaptive junction.” Nature Materials 2014, 13, 3–4
*Nature Materials 13, 81–86 (2014), by Lin and Boettcher
Hamann, T.W.; “Perovskites take lead in solar hydrogen race.” Science 345, 1566 (2014)
*Science 345, 1593 (2014), by Luo, Grätzel and co-workers
Young, K.M.H., Hamann, T.W.; “Enhanced photocatalytic water oxidation efficiency with Ni(OH)2 catalysts deposited on a-Fe2O3 via ALD.” Chem. Commun., 2014, 50 (63) 8727-8730
Kronawitter, C.X., Zegkinoglou, I., Shen, S.H., Liao, P., Cho, I.S., Zandi, O., Lashgari, K., Westin, G., Guo, J.H., Himpsel, F.J., Carter, E.A., Zheng, X.L., Hamann, T.W., Koel, B.E., Mao, S.S., Vayssieres, L.; “On Theoretical and Experimental Titanium Incorporation into Hematite Nanostructures” Energy Environ. Sci., 2014, 7, 3100-3121
Soman, S., Xie, Y., Hamann, T.W.; “Cyclometalated sensitizers for DSSCs employing cobalt redox shuttles” Polyhedron, 2014, 82, 139–147
*special edition “Molecular Materials for Solar Energy Conversion” edited by Ed Constable
Zandi, O., Hamann, T.W.; “Enhanced Photovoltage Through Selective Surface State Removal” J. Phys. Chem. Lett. 2014, 5 (9), 1522–1526
*Live Slide Presentation
Klahr, B.M.; Hamann, T.W.; “Water Oxidation on Hematite Photoelectrodes: Insight on the Nature and Identity of Surface States through In-situ Spectroelectrochemistry” J. Phys. Chem. C 2014, 118 (19), 10393–10399
Zandi, O., Beardslee, J.A., Hamann, T.W.; “Substrate Dependent Water Splitting with Ultrathin α-Fe2O3 Electrodes” J. Phys. Chem. C 2014, 118 (30), 16494–16503
*Michael Gratzel Festschrift
Hamann, T.W.; “Water splitting: An adaptive junction.” Nature Materials 2014, 13, 3–4
*Nature Materials 13, 81–86 (2014), by Lin and Boettcher
2013
Young, K.M.H., Klahr, B.M., Zandi, O., Hamann, T.W.; “Photocatalytic Water Oxidation with Hematite Electrodes.” Catalysis Science & Technology, 2013, 3, 1660-1671
Riha, S.C., Klahr, B.M., Tyo, E.C., Seifert, S., Vajda S., Pellin, M.J., Hamann, T.W., Martinson, A.B.F.; “Atomic Layer Deposition of a Sub-monolayer Catalyst for the Enhanced Photoelectrochemical Performance of Water Oxidation with Hematite.” ACS Nano 2013, 7 (3), 2396–2405
Xie, Y., Hamann, T.W.; “Fast Low Spin Cobalt Complex Redox Shuttles for Dye-Sensitized Solar Cells.” J. Phys. Chem. Lett., 2013, 4, 328–332
Zandi, O., Klahr, B.M., Hamann, T.W.; “Highly Photoactive Ti-doped α-Fe2O3 Thin Film Electrodes; Resurrection of the Dead Layer.” Energy Environ. Sci., 2013, 6, 634–642
Ondersma, J.W.; Hamann, T.W.; “Recombination and Redox Couples in Dye-Sensitized Solar Cells.” Coordination Chemistry Reviews 2013, 257, 1533–1543
Young, K.M.H., Klahr, B.M., Zandi, O., Hamann, T.W.; “Photocatalytic Water Oxidation with Hematite Electrodes.” Catalysis Science & Technology, 2013, 3, 1660-1671
Riha, S.C., Klahr, B.M., Tyo, E.C., Seifert, S., Vajda S., Pellin, M.J., Hamann, T.W., Martinson, A.B.F.; “Atomic Layer Deposition of a Sub-monolayer Catalyst for the Enhanced Photoelectrochemical Performance of Water Oxidation with Hematite.” ACS Nano 2013, 7 (3), 2396–2405
Xie, Y., Hamann, T.W.; “Fast Low Spin Cobalt Complex Redox Shuttles for Dye-Sensitized Solar Cells.” J. Phys. Chem. Lett., 2013, 4, 328–332
Zandi, O., Klahr, B.M., Hamann, T.W.; “Highly Photoactive Ti-doped α-Fe2O3 Thin Film Electrodes; Resurrection of the Dead Layer.” Energy Environ. Sci., 2013, 6, 634–642
Ondersma, J.W.; Hamann, T.W.; “Recombination and Redox Couples in Dye-Sensitized Solar Cells.” Coordination Chemistry Reviews 2013, 257, 1533–1543
2009 - 2012
Ondersma, J.W.; Hamann, T.W.; “Conduction Band Energy Determination by Variable Temperature Spectroelectrochemistry.” Energy Environ. Sci. 2012, 5 (11), 9476–9480
Klahr, B.M., Gimenez S., Fabregat-Santiago, F., Bisquert, J., Hamann, T.W.; “Photoelectrochemical and Impedance Spectroscopic Investigation of Water Oxidation with “Co-Pi” coated Hematite Electrodes.” J. Am. Chem. Soc. 2012, 134 (40), 16693–16700
*Nature Chemistry 4, 965–967 (2012), News and Views, by Daniel Gamelin
Hamann, T.W.; “Splitting Water with Rust: Hematite Photoelectrochemistry.” Dalton Trans., 2012, 41, 7830–7834
Klahr, B.M., Gimenez S., Fabregat-Santiago, F., Bisquert, J., Hamann, T.W.; “Electrochemical and Photoelectrochemical Investigation of Water Oxidation with Hematite Electrodes.” Energy Environ. Sci. 2012, 5 (6), 7626–1636
Klahr, B.M., Gimenez S., Fabregat-Santiago, F., Hamann, T.W., Bisquert, J.; “Water oxidation at hematite photoelectrodes: the role of surface states.” J. Am. Chem. Soc. 2012, 134 (9), 4294–4302
Hamann, T.W.; “The End of Iodide? Cobalt Complex Redox Shuttles in DSSCs.” Dalton Trans., 2012, 41 (11), 3111–3115
Ondersma, J.W.; Hamann, T.W.; “ Spatially-Resolved Sources of Dark Current in Nanoparticle TiO2 Electrodes.” Langmuir 2011, 27 (21), 13361–13366
Klahr, B.M.; Hamann, T.W.; “Voltage Dependent Photocurrent of Thin Film Hematite Electrodes.” Appl. Phys. Lett., 99, 063508 (2011)
Ondersma, J.W.; Hamann, T.W.; “Measurements and Modeling of Recombination from Nanoparticle TiO2 Electrodes.” J. Am. Chem. Soc. 2011, 133 (21), 8264–8271
Klahr, B.M.; Hamann, T.W.; “Current and Voltage Limiting Processes in Thin Film Hematite Electrodes.” J. Phys. Chem. C 2011, 115 (16), 8393–8399
Klahr, B.M.; Martinson, A.B.F.; Hamann, T.W.; “Photoelectrochemistry of Ultra Thin Film Iron Oxide Electrodes Prepared by Atomic Layer Deposition.” Langmuir 2011, 27 (1), 461–468
Hamann, T.W.; Ondersma, J.W.; “Redox Shuttles in Dye-Sensitized Solar Cells.”Energy Environ. Sci., 2011, 4, 370–381
Ondersma, J.W.; Hamann, T.W.; “Impedance Investigation of Dye-Sensitized Solar Cells Employing Outer-Sphere Redox Shuttles.” J. Phys. Chem. C. 2010, 114, (1), 638–645
Klahr, B.M.; Hamann, T.W.; “Performance Enhancement and Limitations of Cobalt Dipyridyl Redox Shuttles in Dye-Sensitized Solar Cells.” J. Phys. Chem. C. 2009, 113, (31), 14040–14045
Ondersma, J.W.; Hamann, T.W.; “Conduction Band Energy Determination by Variable Temperature Spectroelectrochemistry.” Energy Environ. Sci. 2012, 5 (11), 9476–9480
Klahr, B.M., Gimenez S., Fabregat-Santiago, F., Bisquert, J., Hamann, T.W.; “Photoelectrochemical and Impedance Spectroscopic Investigation of Water Oxidation with “Co-Pi” coated Hematite Electrodes.” J. Am. Chem. Soc. 2012, 134 (40), 16693–16700
*Nature Chemistry 4, 965–967 (2012), News and Views, by Daniel Gamelin
Hamann, T.W.; “Splitting Water with Rust: Hematite Photoelectrochemistry.” Dalton Trans., 2012, 41, 7830–7834
Klahr, B.M., Gimenez S., Fabregat-Santiago, F., Bisquert, J., Hamann, T.W.; “Electrochemical and Photoelectrochemical Investigation of Water Oxidation with Hematite Electrodes.” Energy Environ. Sci. 2012, 5 (6), 7626–1636
Klahr, B.M., Gimenez S., Fabregat-Santiago, F., Hamann, T.W., Bisquert, J.; “Water oxidation at hematite photoelectrodes: the role of surface states.” J. Am. Chem. Soc. 2012, 134 (9), 4294–4302
Hamann, T.W.; “The End of Iodide? Cobalt Complex Redox Shuttles in DSSCs.” Dalton Trans., 2012, 41 (11), 3111–3115
Ondersma, J.W.; Hamann, T.W.; “ Spatially-Resolved Sources of Dark Current in Nanoparticle TiO2 Electrodes.” Langmuir 2011, 27 (21), 13361–13366
Klahr, B.M.; Hamann, T.W.; “Voltage Dependent Photocurrent of Thin Film Hematite Electrodes.” Appl. Phys. Lett., 99, 063508 (2011)
Ondersma, J.W.; Hamann, T.W.; “Measurements and Modeling of Recombination from Nanoparticle TiO2 Electrodes.” J. Am. Chem. Soc. 2011, 133 (21), 8264–8271
Klahr, B.M.; Hamann, T.W.; “Current and Voltage Limiting Processes in Thin Film Hematite Electrodes.” J. Phys. Chem. C 2011, 115 (16), 8393–8399
Klahr, B.M.; Martinson, A.B.F.; Hamann, T.W.; “Photoelectrochemistry of Ultra Thin Film Iron Oxide Electrodes Prepared by Atomic Layer Deposition.” Langmuir 2011, 27 (1), 461–468
Hamann, T.W.; Ondersma, J.W.; “Redox Shuttles in Dye-Sensitized Solar Cells.”Energy Environ. Sci., 2011, 4, 370–381
Ondersma, J.W.; Hamann, T.W.; “Impedance Investigation of Dye-Sensitized Solar Cells Employing Outer-Sphere Redox Shuttles.” J. Phys. Chem. C. 2010, 114, (1), 638–645
Klahr, B.M.; Hamann, T.W.; “Performance Enhancement and Limitations of Cobalt Dipyridyl Redox Shuttles in Dye-Sensitized Solar Cells.” J. Phys. Chem. C. 2009, 113, (31), 14040–14045
Postdoctoral work
Hamann, T.W.; Farha O.K.; M.; Hupp, J.T.; “Outer-sphere Redox Couples as Shuttles in Dye-Sensitized Solar Cells. Performance Enhancement Based on Photoelectrode Modification via Atomic Layer Deposition.” J. Phys. Chem. C 2008, 112, 19756-19764
Hamann, T.W.; Jensen, R.A.; Martinson, A.B.F.; Van Ryswyk H.; Hupp, J.T.; “Advancing beyond current generation dye-sensitized solar cells.” Energy Environ. Sci., 2008, 1, 66–78
Hamann, T.W.; Martinson, A.B.F.; Pellin, M.; Hupp, J.T.; “Novel TiO2 Nanostructured Photoanodes in Dye-Sensitized Solar Cells.” J. Phys. Chem. C. 2008, 112, 10303-10307
Hamann, T.W.; Martinson, A.B.F.; Pellin, M.; Hupp, J.T.; “Aerogel templated ZnO Dye-Sensitized Solar Cells.” Adv. Mater. 2008, 20, 1560–1564
Martinson, A.B.F.; Hamann, T.W.; Pellin, M.; Hupp, J.T.; “Alternative Photoanode Architectures for Dye-Sensitized Solar Cells.” Chem. Eur. J. 2008, 14, 4458 – 4467
Hamann, T.W.; Farha O.K.; M.; Hupp, J.T.; “Outer-sphere Redox Couples as Shuttles in Dye-Sensitized Solar Cells. Performance Enhancement Based on Photoelectrode Modification via Atomic Layer Deposition.” J. Phys. Chem. C 2008, 112, 19756-19764
Hamann, T.W.; Jensen, R.A.; Martinson, A.B.F.; Van Ryswyk H.; Hupp, J.T.; “Advancing beyond current generation dye-sensitized solar cells.” Energy Environ. Sci., 2008, 1, 66–78
Hamann, T.W.; Martinson, A.B.F.; Pellin, M.; Hupp, J.T.; “Novel TiO2 Nanostructured Photoanodes in Dye-Sensitized Solar Cells.” J. Phys. Chem. C. 2008, 112, 10303-10307
Hamann, T.W.; Martinson, A.B.F.; Pellin, M.; Hupp, J.T.; “Aerogel templated ZnO Dye-Sensitized Solar Cells.” Adv. Mater. 2008, 20, 1560–1564
Martinson, A.B.F.; Hamann, T.W.; Pellin, M.; Hupp, J.T.; “Alternative Photoanode Architectures for Dye-Sensitized Solar Cells.” Chem. Eur. J. 2008, 14, 4458 – 4467
Graduate work
Hamann, T.W.; Brunschwig, B. S.; Lewis, N. S.; “A Comparison of the Self-Exchange and Interfacial Charge-Transfer Rate Constants for Methyl vs. t-Butyl Substituted Os(III) Polypyridyl Complexes.” J. Phys. Chem. B. 2006, 110, 25514-25520
Hamann, T.W.; Lewis, N. S.; “Control of the Stability, Electron-Transfer Kinetics, and pH-Dependent Energetics of Si/H2O Interfaces Through Methyl Termination of Si(111) Surfaces” J. Phys. Chem. B. 2006, 110, 22291-22294
Royea, W.J.; Hamann, T.W.; Brunschwig, B. S.; Lewis, N. S.; “A Comparison Between Interfacial Electron-Transfer Rate Constants at Metallic and Graphite Electrodes.” J. Phys. Chem. B. 2006, 110, 19433-19442
Hamann, T.W.; Gstrein, F.; Brunschwig, B. S.; Lewis, N. S.; “Measurement of the Driving Force Dependence of Interfacial Charge-Transfer Rate Constants in Response to pH Changes at n-ZnO/H2O Interface.” Chem. Phys. 2006, 326, 13-26
Hamann, T.W.; Srivatsan, N.; Van Willigen, H.; “Time-Resolved EPR Study of the Photophysics and Photochemistry of 1-(3-(Methoxycarbonyl)Propyl)-1-Phenyl[6.6]C61” J. Phys. Chem. A 2005, 109, 11665 – 11672
Hamann, T.W.; Gstrein, F.; Brunschwig, B. S.; Lewis, N. S.; “Measurement of the Dependence of Interfacial Charge-Transfer Rate Constants on the Reorganization Energy of Redox Species at n-ZnO/H2O Interfaces.” J. Am Chem. Soc. 2005, 127, 13949 – 13954
Hamann, T.W.; Gstrein, F.; Brunschwig, B. S.; Lewis, N. S.; “Measurement of the Free Energy Dependence of Interfacial Charge-Transfer Rate Constants Using ZnO/H2O Semiconductor/Liquid Contacts.” J. Am. Chem. Soc. 2005, 127, 7815 – 7824
Hamann, T.W.; Brunschwig, B. S.; Lewis, N. S.; “A Comparison of the Self-Exchange and Interfacial Charge-Transfer Rate Constants for Methyl vs. t-Butyl Substituted Os(III) Polypyridyl Complexes.” J. Phys. Chem. B. 2006, 110, 25514-25520
Hamann, T.W.; Lewis, N. S.; “Control of the Stability, Electron-Transfer Kinetics, and pH-Dependent Energetics of Si/H2O Interfaces Through Methyl Termination of Si(111) Surfaces” J. Phys. Chem. B. 2006, 110, 22291-22294
Royea, W.J.; Hamann, T.W.; Brunschwig, B. S.; Lewis, N. S.; “A Comparison Between Interfacial Electron-Transfer Rate Constants at Metallic and Graphite Electrodes.” J. Phys. Chem. B. 2006, 110, 19433-19442
Hamann, T.W.; Gstrein, F.; Brunschwig, B. S.; Lewis, N. S.; “Measurement of the Driving Force Dependence of Interfacial Charge-Transfer Rate Constants in Response to pH Changes at n-ZnO/H2O Interface.” Chem. Phys. 2006, 326, 13-26
Hamann, T.W.; Srivatsan, N.; Van Willigen, H.; “Time-Resolved EPR Study of the Photophysics and Photochemistry of 1-(3-(Methoxycarbonyl)Propyl)-1-Phenyl[6.6]C61” J. Phys. Chem. A 2005, 109, 11665 – 11672
Hamann, T.W.; Gstrein, F.; Brunschwig, B. S.; Lewis, N. S.; “Measurement of the Dependence of Interfacial Charge-Transfer Rate Constants on the Reorganization Energy of Redox Species at n-ZnO/H2O Interfaces.” J. Am Chem. Soc. 2005, 127, 13949 – 13954
Hamann, T.W.; Gstrein, F.; Brunschwig, B. S.; Lewis, N. S.; “Measurement of the Free Energy Dependence of Interfacial Charge-Transfer Rate Constants Using ZnO/H2O Semiconductor/Liquid Contacts.” J. Am. Chem. Soc. 2005, 127, 7815 – 7824