...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of Materials Research >Bimetallic metal-organic frameworks-derived mesoporousCd_xZn_(1-x)S polyhedrons for enhanced photocatalytic hydrogen evolution
【24h】

Bimetallic metal-organic frameworks-derived mesoporousCd_xZn_(1-x)S polyhedrons for enhanced photocatalytic hydrogen evolution

机译：双金属金属有机骨架衍生的介孔Cd_xZn_（1-x）S多面体增强光催化氢的释放

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

A bimetallic metal-organic frameworks (MOFs)-templated strategy was developed to fabricate mesoporous CdxZn1-xS polyhedrons with improved photocatalytic hydrogen evolution activity, and the formation mechanism of these mesoporous polyhedrons was discussed in detail. Incorporating Cd atoms, the Brunauer-Emmett-Teller surface areas of mesoporous CdxZn1-xS polyhedrons were significantly increased (271 m(2)/g), providing more exposed active sites compared with ZnS. In addition, suitable conduction band potential ( -0.55 eV) of the mesoporous CdxZn1-xS polyhedrons was also beneficial for the photocatalysis. Impressively, by the co-effects of mesoporous structure and modified conduction band, the mesoporous CdxZn1-xS polyhedrons exhibited better photocatalytic activity for hydrogen evolution than most reported photocatalysts without noble metals. The maximum hydrogen evolution rate of the CSZ3 reached 4.10 mmol/(h g) under visible-light irradiation and without any cocatalyst condition. This facile strategy for the construction of mesoporous CdxZn1-xS polyhedrons provided a deep insight to fabricate other metal sulfides for a variety of photochemical applications.
机译：提出了双金属金属有机骨架（MOFs）为模板的策略，以制备具有改善的光催化氢释放活性的介孔CdxZn1-xS多面体，并详细讨论了这些介孔多面体的形成机理。掺入Cd原子后，中孔CdxZn1-xS多面体的Brunauer-Emmett-Teller表面积显着增加（271 m（2）/ g），与ZnS相比提供了更多的暴露活性位点。另外，介孔的CdxZn1-xS多面体的合适的导带电势（<-0.55 eV）也有利于光催化。令人印象深刻的是，中孔结构CdxZn1-xS多面体受到介孔结构和修饰的导带的共同影响，比大多数报道的不含贵金属的光催化剂表现出更好的光催化活性。在没有任何助催化剂的条件下，CSZ3的最大氢释放速率达到4.10 mmol /（h g）。构建介孔CdxZn1-xS多面体的这种简便策略为制造用于各种光化学应用的其他金属硫化物提供了深刻的见识。

著录项

  • 来源
    《Journal of Materials Research》 |2019年第10期|1773-1784|共12页
  • 作者

    Mu Feihu; Zhou Shijian; Wang Yun; Wang Jian; Kong Yan;

  • 作者单位

    Nanjing Tech Univ, State Key Lab Mat Oriented Chem Engn, Coll Chem Engn, Nanjing 210009, Jiangsu, Peoples R China|Huaiyin Normal Univ, Sch Chem & Chem Engn, Huaian 223300, Peoples R China;

    Nanjing Tech Univ, State Key Lab Mat Oriented Chem Engn, Coll Chem Engn, Nanjing 210009, Jiangsu, Peoples R China;

    Nanjing Tech Univ, State Key Lab Mat Oriented Chem Engn, Coll Chem Engn, Nanjing 210009, Jiangsu, Peoples R China;

    Nanjing Tech Univ, State Key Lab Mat Oriented Chem Engn, Coll Chem Engn, Nanjing 210009, Jiangsu, Peoples R China;

    Nanjing Tech Univ, State Key Lab Mat Oriented Chem Engn, Coll Chem Engn, Nanjing 210009, Jiangsu, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    metal-organic frameworks; sulfidation; mesoporous CdxZn1-xS polyhedrons; photocatalysis; hydrogen evolution;

    机译：金属有机骨架硫化介孔CdxZn1-xS多面体光催化光氢;

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号