Hydrothermally synthesized micron sized, broom-shaped MoSe 2 nanostructures for superior photocatalytic water purification

作者：Iram Siddiqui, Honey Mittal, Vivek Kr Kohli, Prakalp Gautam, Mohammad Asif Ali, Manika Khanuja · 发表于：Materials Research Express · 年份：2018 · DOI：10.1088/2053-1591/aae241 · 被引用次数：61 · 研究领域：2D Materials and Applications、Advanced Photocatalysis Techniques、Quantum Dots Synthesis And Properties

In the present work, we are reporting micron sized broom-shaped MoSe 2 nanostructures. Scanning Electron Microscopy (SEM) confirmed the broom shaped morphology with an average diameter∼150 nm and length ∼10 μ m. X-Ray Diffraction (XRD) studies confirmed the highly crystalline hexagonal phase of MoSe 2, nanostructures. The band gap of the material was estimated to be 1.8 eV by Tauc's plot. Broom-shaped MoSe 2 nanostructures acted as an efficient photocatalytic material as tested on an organic pollutant viz. Methylene Blue (MB) with degradation efficiency ∼90% in first 20 min of experiment and rate kinetics were also studied that fitted well with the pseudo-second-order model.