10 research outputs found
Ultradispersed and Single-Layered MoS<sub>2</sub> Nanoflakes Strongly Coupled with Graphene: An Optimized Structure with High Kinetics for the Hydrogen Evolution Reaction
As one of the most
promising Pt alternatives for cost-effective hydrogen production,
molybdenum disulfide (MoS<sub>2</sub>), although has been studied
extensively to improve its electrocatalytic activity, suffers from
scarce active sites, low conductivity, and lack of interaction with
substrates. To this end, we anchor ultradispersed and single-layered
MoS<sub>2</sub> nanoflakes on graphene sheets via a hybrid intermediate
(MoO<i><sub>x</sub></i>–cysteine–graphene
oxide), which not only confines the subsequent growth of MoS<sub>2</sub> on the graphene surface but also ensures the intimate interaction
between Mo species and graphene at the initial stage. Mo–O–C
bond and a possible residual MoO<sub>3–<i>x</i></sub> layer are proposed to comprise the interface bridging the two inherent
incompatible phases, MoS<sub>2</sub> and graphene. This strongly coupled
structure together with the highly exposed MoS<sub>2</sub> morphology
accelerates the electron injection from graphene to the active sites
of MoS<sub>2</sub>, and thus the hydrogen evolution reaction (HER)
can achieve an overpotential of ∼275 mV at ∼−740
mA cm<sup>–2</sup>, and a Pt-like Tafel slope of ∼35
mV dec<sup>–1</sup>. Our results shed light on the indispensable
role of interfacial interaction within semiconducting material–nanocarbon
composites and provide a new insight into the actual activity of MoS<sub>2</sub> toward the HER
Additional file 9 of Alternative polyadenylation profiles of susceptible and resistant rice (Oryza sativa L.) in response to bacterial leaf blight using RNA-seq
Supplementary Material 9
Additional file 4 of Alternative polyadenylation profiles of susceptible and resistant rice (Oryza sativa L.) in response to bacterial leaf blight using RNA-seq
Supplementary Material 4
Additional file 6 of Alternative polyadenylation profiles of susceptible and resistant rice (Oryza sativa L.) in response to bacterial leaf blight using RNA-seq
Supplementary Material 6
Additional file 5 of Alternative polyadenylation profiles of susceptible and resistant rice (Oryza sativa L.) in response to bacterial leaf blight using RNA-seq
Supplementary Material 5
Additional file 8 of Alternative polyadenylation profiles of susceptible and resistant rice (Oryza sativa L.) in response to bacterial leaf blight using RNA-seq
Supplementary Material 8
Additional file 3 of Alternative polyadenylation profiles of susceptible and resistant rice (Oryza sativa L.) in response to bacterial leaf blight using RNA-seq
Supplementary Material 3
Additional file 2 of Alternative polyadenylation profiles of susceptible and resistant rice (Oryza sativa L.) in response to bacterial leaf blight using RNA-seq
Supplementary Material 2