15:{"metadata":[["$","title","0",{"children":"Fourteen-Membered Macrocyclic Fe Complexes for Oxygen Reduction Catalysis Inspired by FeN4 Centers Hosted by Graphene"}],["$","meta","1",{"name":"description","content":"For the globalization of polymer\nelectrolyte fuel cells, the development of non-precious-metal (NPM) catalysts\nfor oxygen reduction is extremely important. To date, many NPM catalysts have\nbeen synthesized by pyrolyzing Fe-, N-, and C-containing precursors, but they\nsuffer from the density and uncertain chemical structure of their active sites. This\nstudy reports a 14-membered macrocyclic Fe complex, which was inspired by FeN₄\ncenters in the pyrolyzed catalysts, whereas typical macrocyclic MN₄\ncomplexes have 16-membered rings. This 14-membered macrocycle has strong Fe-N\nbonding with an average bond distance of 1.90 Å, which has been evidenced by\nsingle-crystal X-ray diffraction, and is markedly shorter than that in\nporphyrin, 2.0 Å. Promising electrocatalytic activities for oxygen reduction\nhave been demonstrated in both of acidic and basic media."}],["$","meta","2",{"name":"author","content":"Makoto Moriya"}],["$","meta","3",{"name":"author","content":"Ryo Takahama"}],["$","meta","4",{"name":"author","content":"Kazuki Kamoi"}],["$","meta","5",{"name":"author","content":"Junya Ohyama"}],["$","meta","6",{"name":"author","content":"Shin Kawashima"}],["$","meta","7",{"name":"author","content":"Ryoichi Kojima"}],["$","meta","8",{"name":"author","content":"Mariko Okada"}],["$","meta","9",{"name":"author","content":"Teruaki Hayakawa"}],["$","meta","10",{"name":"author","content":"Yusuke Nabae"}],["$","meta","11",{"name":"keywords","content":"Electrocatalysis"}],["$","meta","12",{"name":"referrer","content":"origin"}],["$","meta","13",{"name":"robots","content":"index, follow"}],["$","link","14",{"rel":"canonical","href":"https://synthical.com/article/Fourteen-Membered-Macrocyclic-Fe-Complexes-for-Oxygen-Reduction-Catalysis-Inspired-by-FeN4-Centers-Hosted-by-Graphene-abc07652-1a43-11ee-81a9-72fd4f0b0eee"}],["$","link","15",{"rel":"alternate","hrefLang":"de-DE","href":"https://synthical.com/article/Fourteen-Membered-Macrocyclic-Fe-Complexes-for-Oxygen-Reduction-Catalysis-Inspired-by-FeN4-Centers-Hosted-by-Graphene-abc07652-1a43-11ee-81a9-72fd4f0b0eee/de"}],["$","link","16",{"rel":"alternate","hrefLang":"fr-FR","href":"https://synthical.com/article/Fourteen-Membered-Macrocyclic-Fe-Complexes-for-Oxygen-Reduction-Catalysis-Inspired-by-FeN4-Centers-Hosted-by-Graphene-abc07652-1a43-11ee-81a9-72fd4f0b0eee/fr"}],["$","link","17",{"rel":"alternate","hrefLang":"es-ES","href":"https://synthical.com/article/Fourteen-Membered-Macrocyclic-Fe-Complexes-for-Oxygen-Reduction-Catalysis-Inspired-by-FeN4-Centers-Hosted-by-Graphene-abc07652-1a43-11ee-81a9-72fd4f0b0eee/es"}],["$","link","18",{"rel":"alternate","hrefLang":"it-IT","href":"https://synthical.com/article/Fourteen-Membered-Macrocyclic-Fe-Complexes-for-Oxygen-Reduction-Catalysis-Inspired-by-FeN4-Centers-Hosted-by-Graphene-abc07652-1a43-11ee-81a9-72fd4f0b0eee/it"}],["$","link","19",{"rel":"alternate","hrefLang":"ru-RU","href":"https://synthical.com/article/Fourteen-Membered-Macrocyclic-Fe-Complexes-for-Oxygen-Reduction-Catalysis-Inspired-by-FeN4-Centers-Hosted-by-Graphene-abc07652-1a43-11ee-81a9-72fd4f0b0eee/ru"}],["$","meta","20",{"property":"og:title","content":"Fourteen-Membered Macrocyclic Fe Complexes for Oxygen Reduction Catalysis Inspired by FeN4 Centers Hosted by Graphene"}],["$","meta","21",{"property":"og:description","content":"For the globalization of polymer\nelectrolyte fuel cells, the development of non-precious-metal (NPM) catalysts\nfor oxygen reduction is extremely important. 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Takahama"}],["$","meta","36",{"property":"article:author:avatar","content":"default_1"}],["$","meta","37",{"property":"article:author:articles_count","content":"14"}],["$","meta","38",{"property":"article:author:name","content":"Kazuki Kamoi"}],["$","meta","39",{"property":"article:author:id","content":"e1a3be43-9d5c-44c5-b2a3-ca2a5e1a30c5"}],["$","meta","40",{"property":"article:author:alternatives","content":"Kazuki Kamoi,K. Kamoi"}],["$","meta","41",{"property":"article:author:avatar","content":"default_8"}],["$","meta","42",{"property":"article:author:articles_count","content":"1"}],["$","meta","43",{"property":"article:author:name","content":"Junya Ohyama"}],["$","meta","44",{"property":"article:author:id","content":"21654214-f095-41be-85ee-23f2fec7b20b"}],["$","meta","45",{"property":"article:author:alternatives","content":"Junya Ohyama,J. 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This\nstudy reports a 14-membered macrocyclic Fe complex, which was inspired by FeN₄\ncenters in the pyrolyzed catalysts, whereas typical macrocyclic MN₄\ncomplexes have 16-membered rings. This 14-membered macrocycle has strong Fe-N\nbonding with an average bond distance of 1.90 Å, which has been evidenced by\nsingle-crystal X-ray diffraction, and is markedly shorter than that in\nporphyrin, 2.0 Å. 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