期刊
CATALYSIS SCIENCE & TECHNOLOGY
卷 8, 期 19, 页码 5024-5033出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8cy01379a
关键词
-
资金
- NNSFC [21377172, 21477166, 21527813, 21677182, 21737006, 21337003]
- NSF of Guangdong Province [S2013030013474, 2018A030313441]
Two types of conjugated microporous polymer photocatalysts inherently possessing a high surface area (up to 1265 m(2) g(-1)) have been synthesized via Sonogashira-Hagihara cross-coupling polycondensation and applied for the removal of different organic contaminants (rhodamine B, phenol and tetracycline) via adsorption-photocatalysis synergy. The study on the photocatalytic performance and mechanism demonstrated that the specific surface areas and the backbone structures of the polymers had a great influence on the photocatalytic performances. A higher specific surface area and an increased adsorption efficiency for pollutants contributed to the enhanced photocatalytic activity. The optical and electrochemical characterization studies revealed that compared with its counterpart with a network structure, the linear polymer (based on 1,4-diethynylbenzene) showed a narrower band gap and a higher photogenerated charge separation efficiency due to its better extended conjugated system, which boosted its photocatalytic activity. The above features made the polymers exhibit superior adsorption-photocatalytic activity compared with the reported photocatalysts. This work highlights the potential of developing porous organic semiconductors as highly efficient photocatalysts for environmental remediation.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据