Microwave-assisted synthesis of AuNPs/CdS composite nanorods for enhanced photocatalytic hydrogen evolution
Source abstract
Abstract
Photocatalytic hydrogen generation is of fundamental importance for the production of clean and sustainable energy. In this work, a facile in situ microwave-assisted synthesis strategy has been developed to synthesize AuNPs/CdS composite nanorods (NRs) for enhanced photocatalytic hydrogen evolution. At 5 wt% of AuNPs, the AuNPs/CdS composite NRs exhibit a significantly enhanced photocatalytic activity for H2 evolution that is 26 times higher than pure CdS, and 2.1 times greater than that of 5 wt% AuNPs/CdS sample synthesized via a traditional hydrothermal method. Enhanced hydrogen evolution can be attributed to the strong synergistic interactions between the AuNPs and CdS NRs in the composite material, which provide efficient electron/hole transfer, improved photon absorption in visible region, and optimized charge carrier formation and photostability. This work can potentially pave a path toward rapid, microwave-assisted fabrication of high-performance metal/semiconductor composite photocatalysts for large-scale photocatalytic H2 production.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · Copper-based nanomaterials and applications · Quantum Dots Synthesis And Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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