Balcerski, William C. and Ryu, Su Young and Hoffmann, Michael R. (2015) Photocatalytic hydrogen production with visible light using nanocomposites of CdS and Ni on niobium oxide. Separation and Purification Technology, 156 . pp. 915-921. ISSN 1383-5866. http://resolver.caltech.edu/CaltechAUTHORS:20160107-154014301
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Niobium oxides (KNbO_3, K_4Nb_6O_(17)) were combined with nano-particulate CdS and Ni to form composite photocatalysts that are able to produce H_2 gas from water/ethanol solutions under visible light illumination. Ni doping was shown to affect the Nb–O bonding states, and to compete with Cd for ion exchange sites, although the Ni/CdS-doped catalysts still were found to have higher photo-catalytic activity than composite potassium niobates with nanoparticle CdS deposits alone. XPS studies showed the loss of excess Cd^(2+), but not sulfur, during the course of the photoreaction for the KNbO_3 support matrix, but significant loss of both Cd and S for the K_4Nb_6O_(17) support.
|Additional Information:||© 2015 Elsevier B.V.|
|Subject Keywords:||Photocatalysis; Niobium; Hydrogen; Cadmium; Nickel|
|Official Citation:||William C. Balcerski, Su Young Ryu, Michael R. Hoffmann, Photocatalytic hydrogen production with visible light using nanocomposites of CdS and Ni on niobium oxide, Separation and Purification Technology, Volume 156, Part 3, 17 December 2015, Pages 915-921, ISSN 1383-5866, http://dx.doi.org/10.1016/j.seppur.2015.09.054. (http://www.sciencedirect.com/science/article/pii/S138358661530229X)|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Tony Diaz|
|Deposited On:||07 Jan 2016 23:46|
|Last Modified:||07 Jan 2016 23:46|
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