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|Title:||Visible-light induced hydrogen generation with ZnO/NiO/Cd1-xZnxS (x=0.0, 0.2) heterostructures|
|Authors:||Lingampalli, S. R.|
Rao, C. N. R.
Atomic, Molecular & Chemical Physics
|Publisher:||Elsevier Science Bv|
|Citation:||Lingampalli, SR; Roy, A; Ikram, M; Rao, CNR, Visible-light induced hydrogen generation with ZnO/NiO/Cd1-xZnxS (x=0.0, 0.2) heterostructures. Chemical Physics Letters 2014, 610, 316-320, http://dx.doi.org/10.1016/j.cplett.2014.07.052|
Chemical Physics Letters
|Abstract:||ZnO/NiO/Cd1-xZnxS (x=0.0, 0.2) heterostructures have been prepared by a simple solution-based procedure using ZnO/NiO heterostructures prepared by different methods. We obtain good hydrogen evolution activity only with ZnO/NiO heterostructures and not with Zn1-yNiyO solid solutions. The hydrogen evolution activities of ZnO/NiO/CdS and ZnO/NiO/Cd1-xZnxS are 2.2 and 8.2 mmol/h/g respectively with apparent quantum yields of 2.3 and 14% under visible-light irradiation. These values of activity are comparable or superior to those obtained with ZnO/Pt/Cd1-xZnxS and ZnO/Au/Cd1-xZnxS heterostructures. With UV-vis irradiation, the activity found with ZnO/NiO/Cd1-xZnxS is 14-17 mmol/h/g with an apparent quantum yield in the range of 12-15%. (C) 2014 Elsevier B.V. All rights reserved.|
|Appears in Collections:||Research Papers (Prof. C.N.R. Rao)|
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