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Title: Copper molybdenum sulfide : a new efficient electrocatalyst for hydrogen production from water
Authors: Tran, Phong D.
Pramana, Stevin S.
Field, Martin J.
Nguyen, Mai
Bhattacharjee, Anirban
Chiam, Sing Yang
Fize, Jennifer
Artero, Vincent
Wong, Lydia Helena
Loo, Say Chye Joachim
Barber, James
Issue Date: 2012
Source: Tran, P. D., Nguyen, M., Pramana, S. S., Bhattacharjee, A., Chiam, S. Y., Fize, J., Field, M. J., Artero, V., Wong, L. H., Loo, S. C. J., & Barber, J. (2012). Copper molybdenum sulfide: a new efficient electrocatalyst for hydrogen production from water. Energy & environmental science, 5(10), 8912-8916.
Series/Report no.: Energy & environmental science
Abstract: A new inorganic solid state electrocatalyst for the hydrogen evolution reaction (HER) is reported. Highly crystalline layered ternary sulfide copper-molybdenum-sulfide (Cu2MoS4) was prepared by a simple precipitation method from CuI and [MoS4]2− precursors. In aqueous solution and over a wide pH range (pH 0 to 7), this Cu2MoS4 showed very good catalytic activity for HER with an overvoltage requirement of only ca. 135 mV and an apparent exchange current density of 0.040 mA cm−2 (Tafel slope of ca. 95 mV per decade was found irrespective of the pH value). This Cu2MoS4 catalyst was found to be stable during electrocatalytic hydrogen generation. Therefore, it represents an attractive alternative to platinum.
DOI: 10.1039/c2ee22611a
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:ERI@N Journal Articles
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