Department of Advanced Materials Science & Engineering, Hanseo University, Seosan, 31962, Korea.
Sci Rep. 2017 May 12;7(1):1867. doi: 10.1038/s41598-017-02075-7.
A nanowire-like WSe-graphene catalyst was prepared via ultra-sonication and was tested in terms of the photocatalytic reduction of CO into CHOH under irradiation with UV/visible light. The prepared nano-composite was further characterized via XRD, SEM, TEM, Raman and XPS. The photocurrent analysis was further tested for its photocatalytic reduction of CO using gas chromatography (GCMS-QP2010 SE). To further improve the the photo-catalytic efficiency, a sacrificial agent (NaS/NaSO) was added to the WSe-graphene nanocomposite and was found to improve the photo-catalytic efficiency, with the methanol yield reaching 5.0278 µmol gh. Our present work provides a convenient way to prepare nanomaterials various morphologies that have future applications for environmental remediation.
通过超声处理制备了一种类似纳米线的 WSe-石墨烯催化剂，并在紫外/可见光照射下将其用于 CO 光催化还原为 CHOH。通过 XRD、SEM、TEM、拉曼和 XPS 对制备的纳米复合材料进行了进一步的表征。通过气相色谱（GCMS-QP2010 SE）进一步测试了光电流分析对 CO 的光催化还原作用。为了进一步提高光催化效率，向 WSe-石墨烯纳米复合材料中添加了牺牲剂（NaS/NaSO），发现这提高了光催化效率，甲醇产率达到 5.0278 μmol gh。我们目前的工作为制备具有未来环境修复应用前景的各种形态纳米材料提供了一种简便的方法。
