Laser-assisted growth of hierarchically architectured 2D MoS₂ crystals on metal substrate for potential energy applications

Abstract Recently, there has been substantial interest in the large-scale synthesis of hierarchically architectured transition metal dichalcogenides and designing electrodes for energy conversion storage applications such as electrocatalysis, rechargeable batteries, supercapacitors. Here we report a novel hybrid laser-assisted micro/nanopatterning sulfurization method rapid manufacturing molybdenum disulfide (MoS 2 ) layers directly on sheets. This laser surface structuring not only provides ability to design specific micro/nanostructured patterns but also significantly enhances crystal growth kinetics. Micro nanoscale characterization methods are employed study morphological, structural, atomistic characteristics formed crystals at various processing conditions. To compare performance laser-structured unstructured samples, Li-ion battery cells fabricated their capacity is measured. The MoS show higher with capacities about 10 mAh cm −2 , current rate 0.1 mA . patterning 2D materials conductive sheets may enable future roll-to-roll sensing devices.