2026 Thomas W. Hamann: Materials Science Researcher – H-Index, Publications & Awards

D-Index & Metrics

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Materials Science	53	9121	8807	2219	2059	103	12356
Chemistry	53	12947	11648	3426	2802	113	12495

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Materials Science

9121

8807

2219

2059

103

12356

Chemistry

12947

11648

3426

2802

113

12495

Materials Science

D-Index

Citations

12356

World Ranking

9121

National Ranking

2219

Chemistry

D-Index

Citations

12495

World Ranking

12947

National Ranking

3426

Research.com Recognitions

2012 - Fellow of Alfred P. Sloan Foundation

Overview

Thomas W. Hamann is affiliated with Michigan State University in the United States. Their research spans multiple fields, primarily focusing on Materials Science and Energy, with a significant emphasis on Materials Chemistry and Renewable Energy, Sustainability and the Environment. The scientist has also contributed to studies in Catalysis, Electrical and Electronic Engineering, and Electronic, Optical and Magnetic Materials.

Their work addresses a range of topics including Advanced Photocatalysis Techniques, X-ray Diffraction in Crystallography, Crystallization and Solubility Studies, Ammonia Synthesis and Nitrogen Reduction, TiO2 Photocatalysis and Solar Cells, Electrocatalysts for Energy Conversion, and Porphyrin and Phthalocyanine Chemistry.

Notable recent papers authored by Thomas W. Hamann include:

Recent Advances and Challenges of Electrocatalytic N₂Reduction to Ammonia, 2020, Chemical Reviews
InGaN/Si Double-Junction Photocathode for Unassisted Solar Water Splitting, 2020, ACS Energy Letters
Crystallographic Effects of GaN Nanostructures in Photoelectrochemical Reaction, 2022, Nano Letters
Mechanism-Guided Kinetic Analysis of Electrocatalytic Proton Reduction Mediated by a Cobalt Catalyst Bearing a Pendant Basic Site, 2024, Journal of the American Chemical Society
Understanding Mass Transport in Copper Electrolyte-Based Dye-Sensitized Solar Cells, 2022, ACS Applied Energy Materials

Frequent co-authors of Thomas W. Hamann are:

Austin L. Raithel
Tea-Yon Kim
Richard J. Staples
Jared H. Delcamp
William E. Meador

The scientist has published consistently in several venues, with multiple entries in The Cambridge Structural Database and ECS Meeting Abstracts. Other significant publication venues include the Journal of the American Chemical Society, Inorganic Chemistry, and ACS Energy Letters.

Among their recognitions, Thomas W. Hamann was awarded the title of Fellow of the Alfred P. Sloan Foundation in 2012.

Best Publications

Recent Advances and Challenges of Electrocatalytic N2 Reduction to Ammonia.

Geletu Qing;Reza Ghazfar;Shane T. Jackowski;Faezeh Habibzadeh

1173
Citations
Water Oxidation at Hematite Photoelectrodes: The Role of Surface States

Benjamin Klahr;Sixto Gimenez;Francisco Fabregat-Santiago;Thomas Hamann

1116
Citations
Advancing beyond current generation dye-sensitized solar cells

Thomas W. Hamann;Thomas W. Hamann;Rebecca A. Jensen;Alex B. F. Martinson;Hal Van Ryswyk;Hal Van Ryswyk

910
Citations
Photoelectrochemical and Impedance Spectroscopic Investigation of Water Oxidation with "Co−Pi"-Coated Hematite Electrodes

Benjamin Klahr;Sixto Gimenez;Francisco Fabregat-Santiago;Juan Bisquert

724
Citations
Electrochemical and photoelectrochemical investigation of water oxidation with hematite electrodes

Benjamin Klahr;Sixto Gimenez;Francisco Fabregat-Santiago;Juan Bisquert

539
Citations
Determination of photoelectrochemical water oxidation intermediates on haematite electrode surfaces using operando infrared spectroscopy

Omid Zandi;Omid Zandi;Thomas W. Hamann

424
Citations
New architectures for dye-sensitized solar cells.

Alex B. F. Martinson;Alex B. F. Martinson;Thomas W. Hamann;Michael J. Pellin;Joseph T. Hupp

361
Citations
Highly photoactive Ti-doped α-Fe2O3 thin film electrodes: resurrection of the dead layer

Omid Zandi;Benjamin M. Klahr;Thomas W. Hamann

300
Citations
Atomic layer deposition of a submonolayer catalyst for the enhanced photoelectrochemical performance of water oxidation with hematite.

Shannon C. Riha;Benjamin M. Klahr;Eric C. Tyo;Sönke Seifert

291
Citations
Thin film photoelectrodes for solar water splitting

Yumin He;Thomas Hamann;Dunwei Wang

267
Citations
Performance Enhancement and Limitations of Cobalt Bipyridyl Redox Shuttles in Dye-Sensitized Solar Cells

Benjamin M. Klahr;Thomas W. Hamann

263
Citations
Enhanced Water Splitting Efficiency Through Selective Surface State Removal.

Omid Zandi;Thomas W. Hamann

259
Citations
Dye-sensitized solar cell redox shuttles

Thomas W. Hamann;Jesse W. Ondersma

259
Citations
Photoelectrochemical investigation of ultrathin film iron oxide solar cells prepared by atomic layer deposition.

Benjamin M. Klahr;Alex B. F. Martinson;Thomas W. Hamann

238
Citations
Roadmap on solar water splitting: current status and future prospects

Sheng Chu;Wei Li;Yanfa Yan;Thomas Hamann

235
Citations
Potential-sensing electrochemical atomic force microscopy for in operando analysis of water-splitting catalysts and interfaces

Michael R. Nellist;Forrest A. L. Laskowski;Jingjing Qiu;Hamed Hajibabaei

215
Citations
Outer-Sphere Redox Couples as Shuttles in Dye-Sensitized Solar Cells. Performance Enhancement Based on Photoelectrode Modification via Atomic Layer Deposition

Thomas W. Hamann;Thomas W. Hamann;Omar K. Farha;Joseph T. Hupp

212
Citations
Water oxidation on hematite photoelectrodes: Insight into the nature of surface states through in situ spectroelectrochemistry

Benjamin Klahr;Thomas Hamann

200
Citations
Splitting water with rust: hematite photoelectrochemistry

Thomas W. Hamann

192
Citations
Aerogel Templated ZnO Dye‐Sensitized Solar Cells

Thomas W. Hamann;Alex B. F. Martinson;Alex B. F. Martinson;Jeffrey W. Elam;Michael J. Pellin;Michael J. Pellin

183
Citations