Molybdenum Disulfide Catalytic Coatings via Atomic Layer Deposition for Solar Hydrogen Production from Copper Gallium Diselenide Photocathodes

Authors

Thomas R. Hellstern, Stanford University
David W. Palm, Stanford University
James Carter, University of Nevada, Las VegasFollow
Alex D. DeAngelis, University of Hawaii, Manoa
Kimberly Horsley, University of Hawaii, Manoa
Lothar Weinhardt, University of Nevada, Las VegasFollow
Wanli Yang, Lawrence Berkeley National LaboratoryFollow
Monika Blum, University of Nevada, Las VegasFollow
Nicolas Gaillard, University of Hawaii, Manoa
Clemens Heske, University of Nevada, Las VegasFollow
Thomas F. Jaramillo, Stanford UniversityFollow

Document Type

Article

Publication Date

1-22-2019

Publication Title

ACS Applied Energy Materials

Volume

2

Issue

2

First page number:

1060

Last page number:

1066

Abstract

We demonstrate that applying atomic layer deposition-derived molybdenum disulfide (MoS2) catalytic coatings on copper gallium diselenide (CGSe) thin film absorbers can lead to efficient wide band gap photocathodes for photoelectrochemical hydrogen production. We have prepared a device that is free of precious metals, employing a CGSe absorber and a cadmium sulfide (CdS) buffer layer, a titanium dioxide (TiO2) interfacial layer, and a MoS2 catalytic layer... (See full text for complete abstract)

Keywords

Atomic layer deposition; Copper gallium diselenide; Hydrogen evolution; Molybdenum disulfide; Photoelectrochemical water splitting

Disciplines

Materials Chemistry

Repository Citation

Hellstern, T. R., Palm, D. W., Carter, J., DeAngelis, A. D., Horsley, K., Weinhardt, L., Yang, W., Blum, M., Gaillard, N., Heske, C., Jaramillo, T. F. (2019). Molybdenum Disulfide Catalytic Coatings via Atomic Layer Deposition for Solar Hydrogen Production from Copper Gallium Diselenide Photocathodes. ACS Applied Energy Materials, 2(2), 1060-1066.
http://dx.doi.org/10.1021/acsaem.8b01562