Here we report the direct growth of hierarchically architectured molybdenum disulfide (MoS2) and tungsten disulfide (WS2) crystals on molybdenum and tungsten substrates through an innovative hybrid fabrication method involving laser structuring coupled with a sulfurization process. This laser surface modification process not only provides the ability to design specific micro/nanostructured patterns but also significantly enhances the sulfurization and MoS2 growth kinetics. The electrochemical performance of the architectured MoS2 and WS2 electrodes are investigated in a solid-state lithium-ion battery to demonstrated their enhanced functionality compared to their unstructured counterparts. The improved cycling performance is attributed to the open channels between the 2D layers and more space available for expansion/contraction due to Li-ion insertion and extraction.
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