Abstract
A facile one‐step hydrothermal synthesis strategy is utilized for the preparation of 3D coral‐like structural MoS2/Cu2O porous nanohybrid which is applied as bifunctional material for biosensor and oxygen reduction reaction (ORR) applications. Due to the combination of p‐type Cu2O nanoparticles and n‐type MoS2 nanosheets, MoS2/Cu2O nanohybrid exhibits great potential in both biosensor and electrochemical catalyst. In addition, the special 3D coral‐like porous structure endows MoS2/Cu2O nanohybrid a large specific surface area which enhances its electrocatalyst performance significantly. The experimental results indicate that the hydrogen peroxide (H2O2) biosensor fabricated by MoS2/Cu2O nanohybrid shows a wide linear range, low limitation of detection, high selectivity, and long‐term stability. At the same time, the coral‐like structural MoS2/Cu2O nanohybrid also displays excellent ORR electrochemical catalysis performance. It can be anticipated that the strategies utilized in this work will not only guide the functional design of novel nanohybrid materials but also extend their potential applications in energy storage, waste water purification, and environmental engineering.
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