Nano YMn2O5 Visible-light-driven Semiconductor Photocatalyst
Source abstract
Abstract
采用改进的聚丙烯酰胺凝胶法合成了YMn 2 O 5 纳米颗粒. XRD分析结果表明, 合成的纳米颗粒主要为正交YMn 2 O 5 相, 兼有少许的六方YMn 2 O 5 相, 无其它杂质相存在. SEM观察显示, 制得的YMn 2 O 5 纳米颗粒粒度均匀、形貌规整、呈类球形, 平均颗粒尺寸约为45nm. 利用紫外?可见光漫反射光谱研究了YMn 2 O 5 纳米颗粒的光吸收特性及带隙, 获得的光学带隙值为1.21eV. 以一种典型的偶氮染料甲基红为目标降解物, 研究了YMn 2 O 5 纳米颗粒的光催化活性. 结果表明, 在紫外光和可见光辐照下纳米颗粒均表现出了良好的光催化活性. 实验确定了光催化降解率的最佳条件: 甲基红的初始浓度为~15mg/L, 催化剂的加载量为~1. 2g/L.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · Ga2O3 and related materials · Transition Metal Oxide Nanomaterials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (14)
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