Photocatalytic degradation of tetracycline hydrochloride with visible light-responsive bismuth tungstate/conjugated microporous polymer
Resources and Environmental Technology|Updated:2026-01-06
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Photocatalytic degradation of tetracycline hydrochloride with visible light-responsive bismuth tungstate/conjugated microporous polymer
Photocatalytic degradation of tetracycline hydrochloride with visible light-responsive bismuth tungstate/conjugated microporous polymer
中国化学工程学报(英文版)2022年41卷第1期 页码:488-496
Affiliations:
1. State Key Laboratory of Chemical Engineering and School of Chemistry & Molecular Engineering, East China University of Science and Technology,Shanghai,China,200237
Conjugated microporous polymer (CMP) is an emerging organic semiconductor with p-conjugated skeletons
and the bandgap of CMP can be flexibly modulated to harvest visible light. Based on the diversity and adjustability of monomers in CMP
we designed and synthesized donor-accepter (D-A) type BTNCMP through Sonogashira-Hagihara cross-coupling polymerization
further
in-situ
constructing series of inorganic/organic Z-scheme BW/BTN-
n
composite in the presence of Bi
2
WO
6
. After optimization
the tetracycline hydrochloride (
C
0
= 10 mg·L
-1
) degradation efficiency reached 84% with BW/BTN-2 as catalyst in 90 min under visible light irradiation
the apparent rate constant
k
1
is 0.017 min
-1
which is 1.7 and 5.7 times higher than bare Bi
2
WO
6
and BTN-CMP. X-ray photoelectron spectra and UV–Vis diffuse spectra showed that the enhanced photocatalytic activity originated from the tight heterojunction between Bi
2
WO
6
and BTN-CMP
which can extend the light absorption range and facilitate the separation and transport of photogen
erated charges in the interface of heterojunction. The active species trapping experiments and electron spin resonance technique revealed that
h
+
was the dominant active species during the photodegradation process of tetracycline hydrochloride (TCH). The present study demonstrated the feasibility to construct inorganic/organic composite for the photocatalytic degradation of environmental pollutants.
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相关作者
Mika Sillanpää
Mohammad Reza kimiaei
Soheil Balsini Gavanaroudi
Nezamaddin Mengelizadeh
Najmeh Ahmadi
Davoud Balarak
Renwen Tian
Yan Sun
相关机构
Department of Chemical Engineering, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, P. O. Box 17011, Doornfontein, 2028, South Africa
Department of Chemical, Petroleum and Gas Engineering, University of Semnan, Semnan
Department of Chemical Engineering, Youngstown State University, Ohio, United States of America
Department of Environmental Health Engineering, Evas Faculty of Health, Larestan University of Medical Sciences, Larestan
Student Research Committee, Zahedan University of Medical Sciences, Zahedan