Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 28, Issue 51, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201807086
Keywords
hydrogen evolution reaction; MoS2; single atoms; surface modulation
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Funding
- National Research Foundation (NRF) of Singapore via the NRF investigatorship [NRF-NRFI2016-04]
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Surface modulation at the atomic level is an important approach for tuning surface chemistry and boosting the catalytic performance. Here, a surface modulation strategy is demonstrated through the decoration of isolated Ni atoms onto the basal plane of hierarchical MoS2 nanosheets supported on multichannel carbon nanofibers for boosted hydrogen evolution activity. X-ray absorption fine structure investigation and density functional theory (DFT) calculation reveal that the MoS2 surface decorated with isolated Ni atoms displays highly strengthened H binding. Benefiting from the unique tubular structure and basal plane modulation, the newly developed MoS2 catalyst exhibits excellent hydrogen evolution activity and stability. This single-atom modification strategy opens up new avenues for tuning the intrinsic catalytic activity toward electrocatalytic water splitting and other energy-related processes.
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