title: Active guests in the MoS2/MoSe2 host lattice: efficient hydrogen evolution using few-layer alloys of MoS(2(1-x))Se(2x).
abstract: Few-layer transition metal dichalcogenide alloys based on molybdenum sulphoselenides [MoS2(1-x)Se2x] possess higher hydrogen evolution (HER) activity compared to pristine few-layer MoS2 and MoSe2. Variation of the sulphur or selenium content in the parent dichalcogenides reveals a systematic structure-activity relationship for different compositions of alloys, and it is found that the composition MoS1.0Se1.0 shows the highest HER activity amongst the catalysts studied. The tunable electronic structure of MoS2/MoSe2 upon Se/S incorporation probably assists in the realization of high HER activity.
authors.affiliation: Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560012, India. sampath@ipc.iisc.ernet.in.
authors.forename: Vankayala
authors.initials: V
authors.lastname: Kiran
authors.forename: Debdyuti
authors.initials: D
authors.lastname: Mukherjee
authors.forename: Ramesh Naidu
authors.initials: RN
authors.lastname: Jenjeti
authors.forename: Srinivasan
authors.initials: S
authors.lastname: Sampath