Polyoxometalate built-in conjugated microporous polymers for visible-light heterogeneous photocatalysis

被引：93
|
作者：
Li, Yusen [1 ]
Liu, Mingxuan [1 ]
Chen, Long [1 ]
机构：
[1] Tianjin Univ, Tianjin Key Lab Mol Optoelect Sci, Sch Sci, Collaborat Innovat Ctr Chem Sci & Engn, Tianjin 300072, Peoples R China
来源：
JOURNAL OF MATERIALS CHEMISTRY A | 2017年 / 5卷 / 26期
基金：
中国国家自然科学基金;
关键词：
CLUSTER ORGANIC FRAMEWORKS; GAS SORPTION PROPERTIES; SURFACE-AREA; CATALYTIC TECHNOLOGY; BUILDING-BLOCKS; RECENT PROGRESS; NETWORKS; ADSORPTION; POROSITY; HEXAMOLYBDATE;
D O I：
10.1039/c7ta03776g
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Herein, we report two novel Anderson-type polyoxometalate (POM) built-in conjugated microporous polymers (CMPs), Bn-Anderson-CMP and Th-Anderson-CMP prepared through Sonogashira-Hagihara cross-coupling of tetrabromo-bifunctionalized Anderson-type POMs and 1,3,5-triethynylbenzene. These two Anderson-CMPs exhibit outstanding heterogeneous photocatalytic activities towards degrading organic dyes in water. Control photocatalysis experiments with different radical scavengers demonstrate that hydrogen peroxide and singlet oxygen are the primary active catalytic species. Moreover, these two CMPs can be easily recycled at least five times without a noticeable decrease in photocatalytic performances.
引用
收藏
页码：13757 / 13762
页数：6
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