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Hydrogen production and photocatalytic activity of g‐C 3 N 4 /Co‐MOF (ZIF‐67) nanocomposite under visible light irradiation
Author(s) -
Devarayapalli K.C.,
Vattikuti S.V. Prabhakar,
Sreekanth T.V.M.,
Yoo Ki Soo,
Nagajyothi P.C.,
Shim Jaesool
Publication year - 2020
Publication title -
applied organometallic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 71
eISSN - 1099-0739
pISSN - 0268-2605
DOI - 10.1002/aoc.5376
Subject(s) - photocatalysis , nanocomposite , chemistry , hydrogen production , visible spectrum , dodecahedron , nuclear chemistry , imidazole , degradation (telecommunications) , crystal violet , catalysis , materials science , nanotechnology , crystallography , organic chemistry , medicine , telecommunications , optoelectronics , pathology , computer science
Herein, cobalt (Co)‐based metal–organic zeolitic imidazole frameworks (ZIF‐67) coupled with g‐C 3 N 4 nanosheets synthesized via a simple microwave irradiation method. SEM, TEM and HR‐TEM results showed that ZIF‐67 were uniformly dispersed on g‐C 3 N 4 surfaces and had a rhombic dodecahedron shape. The photocatalytic properties of g‐C 3 N 4 /ZIF‐67 nanocomposite were evaluated by photocatalytic dye degradation of crystal violet (CV), 4‐chlorophenol (4‐CP) and photocatalytic hydrogen (H 2 ) production. In presence of visible light illumination, the photocatalytic dye results showed that 95% CV degradation and 53% 4‐CP degradation within 80 min. The H 2 production of the g‐C 3 N 4 /ZIF‐67 composite was 2084 μmol g −1 , which is 3.84 folds greater than that of bare g‐C 3 N 4 (541 μmol g −1 ).
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