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An Iron Oxychloride/Reduced Graphene Oxide Heterojunction with Enhanced Catalytic Performance as a Photo‐Fenton Catalyst
Author(s) -
Zhang Jian,
Zhao Xinfu,
Zhong Mingliang,
Yang Mengxue,
Lian Ye,
Liu Guodong,
Liu Shaojie
Publication year - 2018
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.201800180
Subject(s) - chemistry , catalysis , graphene , radical , oxide , photochemistry , photodegradation , heterojunction , electronegativity , adsorption , electron transfer , photocatalysis , degradation (telecommunications) , inorganic chemistry , chemical engineering , organic chemistry , materials science , optoelectronics , engineering , telecommunications , computer science
To aid with the environmental crisis, a new iron oxychloride/reduced graphene oxide (FeOCl/rGO) heterojunction has been successfully synthesized. The heterojunction shows enhanced photo‐Fenton catalytic activity and stability relative to those of FeOCl under mild conditions (neutral solution and natural light). The surface area, optical adsorption, and electronegativity of FeOCl/rGO are larger than those of FeOCl, and these properties contribute to the enhanced catalytic performance of FeOCl/rGO. Furthermore, the rapid transfer of photogenerated electrons from rGO to FeOCl promotes the reduction of Fe III to Fe II , which boosts the production of · OH radicals. On the basis of active‐species trapping experiments, the · OH radicals play a primary role, whereas · O 2 – radicals play a secondary role. This work demonstrates the first example of the facilitation of Fenton catalytic performance through the introduction of rGO to FeOCl for sunlight‐induced photodegradation.