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氧化亚铜的复合改性及其光催化性质研究
  • ISSN号:1006-2602
  • 期刊名称:《中国钼业》
  • 时间:0
  • 分类:O614.612[理学—无机化学;理学—化学]
  • 作者机构:[1]安徽大学化学化工学院,功能无机材料化学安徽省重点实验室,安徽合肥230039
  • 相关基金:国家自然科学基金(21071001);安徽省自然科学基金(11040606M55);安徽省教育厅自然科学基金(KJ2010A015)资助;安徽大学人才队伍建设、安徽省高等学校“十五”优秀人才建设经费资助.
中文摘要:

采用简单的室温液相还原法制备了氧化亚铜微米立方块和Cu20-ZnO复合物,利用XRD和EFSEM对产物进行了表征,研究了太阳光照下合成产物对不同类型染料的光催化降解性能。结果表明,氧化亚铜对阴离子染料有较好的降解效果,对阳离子染料降解效果不明显;Cu2O-ZnO复合物对阳离子染料亚甲基蓝的光催化活性明显高于纯的氧化亚铜,其中10%Cu2O-ZnO复合物的光催化效果最好。通过荧光光谱分析了复合物增强对阳离子染料亚甲基蓝的光催化效率的原因,探讨了Cu2O-ZnO复合物光催化反应的机理。

英文摘要:

Cuprous oxide (Cu2O) microcubes and Cu2O -ZnO composites have been successfully fabricated by so- lution - phase reducing method at room temperature. The samples were characterized by X - ray powder diffractom- eter (XRD), field emission scanning electron microscopy (FESEM). The decoloration rate of dyes for the as - synthesized CU2O microcubes as photoeatalyst were examined at different conditions. The results showed that the decoloration rate of anion dyes were higher and that of cation dyes were lower. The photocatalytic activities of the as - synthesized Cu2O - ZnO composites were studied by monitoring the degradation of cation dyes ( methylene blue) solution. It was found that photocatalytic activities of the as - synthesized Cu2O - ZnO composites were more superi- or than CU2O microcubes. The decoloration rate of methylene blue was reached 61.8% for 10% Cu2O -ZnO. Mo- reover, the photoluminescence properties of the products were investigated. The photocatalytic degradation mecha- nism for the compodite as photocatalyst was proposed.

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期刊信息
  • 《中国钼业》
  • 中国科技核心期刊
  • 主管单位:中国有色金属工业协会
  • 主办单位:金堆城钼业集团有限公司公司 陕西省有色金属学会 中国有色金属工业协会钼业分会
  • 主编:姚云芳
  • 地址:陕西省西安市高新区锦业1路88号金钼股份工业园B座2层
  • 邮编:710077
  • 邮箱:zgmy@jdcmmc.com
  • 电话:029-88378645 88411102-5201
  • 国际标准刊号:ISSN:1006-2602
  • 国内统一刊号:ISSN:61-1238/TF
  • 邮发代号:52-144
  • 获奖情况:
  • 陕西省优秀科技期刊一等奖
  • 国内外数据库收录:
  • 中国中国科技核心期刊
  • 被引量:3316