rGO/ZnO固态膜的光响应性能研究
Study on the Photoresponse Performance of rGO-ZnO Solid State Films
DOI: 10.12677/MS.2023.137073, PDF,   
作者: 周训富：岭南师范学院化学化工学院，广东 湛江
关键词: 石墨烯；氧化锌；光电流；光催化； Graphene； Zinc Oxide； Photocurrent； Photocatalysis
摘要: 石墨烯在光电学、磁学、催化剂等领域展现着非常大的研究前景。氧化锌(ZnO)作为半导体材料，具有光催化产氢的能力，但是其带隙宽比较大，内部光生载流子复合快，导致其光催化效率低。本文采用原位生长法在石墨烯固态膜(rGO)上生长ZnO棒阵列，构建更高效更优良的复合光催化材料rGO/ZnO，并通过X射线衍射仪(XRD)、场发射电子扫描显微镜(SEM)、透射电子显微镜(TEM)等仪器对rGO/ZnO复合材料进行结构表征。光电测试表明，rGO/ZnO表现出增强的光电流密度，这是因为rGO能够促进ZnO对光的吸收，并且能够促进ZnO中光生载流子的分离。本文对rGO/ZnO固态膜的光响应性能研究能够为设计构建更先进的光催化体系提供参考。
Abstract: Graphene has shown great research prospects in optoelectronics, magnetism, catalysts and other fields. As a semiconductor material, zinc oxide (ZnO) has the ability of photocatalytic hydrogen production, but its band gap is relatively large, and the internal photogenerated carrier recombination is fast, resulting in low photocatalytic efficiency. In this paper, ZnO rod arrays were grown on graphene solid film (rGO) by insitu growth method to construct more efficient and superior composite photocatalytic material rGO/ZnO, and the structure of rGO/ZnO composites was characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (SEM), transmission electron microscopy (TEM) and other instruments. Photoelectric tests show that rGO/ZnO exhibits enhanced photocurrent density, which is because rGO can promote the light absorption of ZnO and promote the separation of photogenerated charge carriers in ZnO. The study on the photoresponse performance of rGO/ZnO solid state films can provide references for the design and construction of more advanced photocatalytic systems.
文章引用：周训富. rGO/ZnO固态膜的光响应性能研究[J]. 材料科学, 2023, 13(7): 679-688. https://doi.org/10.12677/MS.2023.137073

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