Published April 22, 2015
| Supplemental Material
Journal Article
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Mn_2V_2O_7: An Earth Abundant Light Absorber for Solar Water Splitting
Chicago
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Abstract
Complex oxide β-Mn_2V_2O_7 is identified as exhibiting near-optimal band energetics for solar fuel applications among known metal oxides. Experiments, corroborated by theory, indicate a bandgap near 1.8 eV. The calculations predict that β-Mn_2V_2O_7 has well-aligned band edge energies for the hydrogen evolution reaction and oxygen evolution reaction. Photoelectrochemical measurements indicate appreciable photocurrent, corroborating the predictions.
Additional Information
© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. Received: October 17, 2014; Revised: November 27, 2014; Published online: January 21, 2015. Computational work was supported by the Materials Project Predictive Modeling Center (EDCBEE) through the U.S. Department of Energy, Office of Basic Energy Sciences, Materials Sciences and Engineering Division, under Contract No. DE-AC02–05CH11231. Experimental work was performed by the Joint Center for Artificial Photosynthesis, a DOE Energy Innovation Hub, supported through the Office of Science of the U.S. Department of Energy (Award No. DE-SC0004993). Work at the Molecular Foundry was supported by the Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy under Contract No. DE-AC02–05CH11231. Computational resources also provided by the Department of Energy through the National Energy Supercomputing Center. The authors thank Dan Guevarra and Aniketa Shinde for assistance with acquisition of the photocurrent data and Chengxiang Xiang, Slobodan Mitrovic and Joel Haber for helpful discussions.Attached Files
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Additional details
- Eprint ID
- 57643
- DOI
- 10.1002/aenm.201401840
- Resolver ID
- CaltechAUTHORS:20150519-092604842
- Department of Energy (DOE)
- DE-AC02–05CH11231
- Created
-
2015-05-19Created from EPrint's datestamp field
- Updated
-
2021-11-10Created from EPrint's last_modified field
- Caltech groups
- JCAP