{"id":1939,"date":"2025-03-07T13:34:19","date_gmt":"2025-03-07T04:34:19","guid":{"rendered":"https:\/\/supraceramics.jp\/?p=1939"},"modified":"2025-03-07T13:34:19","modified_gmt":"2025-03-07T04:34:19","slug":"publication-nature-communications-kondo-kiuchi-et-al-iron-complex-based-catalytic-system-for-high-performance-water-oxidation-in-aqueous-media","status":"publish","type":"post","link":"https:\/\/supraceramics.jp\/en\/2025\/03\/1939\/","title":{"rendered":"Publication | Nature Communications (Kondo, Kiuchi et al.) \u201cIron-complex-based catalytic system for high-performance water oxidation in aqueous media\u201d"},"content":{"rendered":"<p>Iron-complex-based catalytic system for high-performance water oxidation in aqueous media<\/p>\n<p>Takumi Matsuzaki, Kento Kosugi, Hikaru Iwami, Tetsuya Kambe, Hisao Kiuchi, Yoshihisa Harada, Daisuke Asakura, Taro Uematsu, Susumu Kuwabata, Yutaka Saga, Mio Kondo &#038; Shigeyuki Masaoka<\/p>\n<p>Water oxidation is the key reaction in natural and artificial photosyntheses but is kinetically and thermodynamically sluggish. Extensive efforts have been made to develop artificial systems comparable to the natural system. However, constructing a molecular system based on ubiquitous metal ions with high performance in aqueous media similar to a natural system, remains challenging. In this study, inspired by nature, we successfully achieve highly efficient water oxidation in aqueous media. By electrochemical polymerisation of a pentanuclear iron complex bearing carbazole moieties, we successfully integrate two essential features of the natural system: catalytic centre composed of ubiquitous metal ions and charge transporting site. The resulting material catalyses water oxidation with a Faradaic efficiency of up to 99% in aqueous media. Our results provide a strategy to develop catalytic systems for water oxidation.<br \/>\n<\/a><br \/>\n<a href=\"https:\/\/www.nature.com\/articles\/s41467-025-57169-y\"><br \/>\n<em>Nature Communications<\/em>, 16, 2145 (2025). (DOI: 10.1038\/s41467-025-57169-y)<br \/>\n<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Iron-complex-based catalytic system for high-performance water oxidation in aqueous media Takumi Matsuzaki, Kento Kosugi, Hikaru Iwami, Tetsuya Kambe, Hisao Kiuchi, Yoshihisa Harada, Daisuke Asakura, Taro Uematsu, Susumu Kuwabata, Yutaka Saga, Mio Kondo &#038; Shigeyuki Masaoka Water oxidation is the key reaction in natural and artificial photosyntheses but is kinetically and thermodynamically sluggish. Extensive efforts have [&hellip;]<\/p>\n","protected":false},"author":222414606,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"jetpack_seo_schema_type":"","_themeisle_gutenberg_block_has_review":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_locale":"en_US","_original_post":"https:\/\/supraceramics.jp\/?p=1937","_wpcom_ai_launchpad_first_post":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[124830],"tags":[],"class_list":["post-1939","post","type-post","status-publish","format-standard","hentry","category-news","en-US"],"jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/pe2JgX-vh","jetpack-related-posts":[{"id":1937,"url":"https:\/\/supraceramics.jp\/2025\/03\/1937\/","url_meta":{"origin":1939,"position":0},"title":"Publication | Nature Communications (Kondo, Kiuchi et al.) \u201cIron-complex-based catalytic system for high-performance water oxidation in aqueous media\u201d","author":"shorike","date":"2025\u5e743\u67087\u65e5","format":false,"excerpt":"\u5171\u540c\u7814\u7a76\u6210\u679c\uff1a\u6c34\u4e2d\u3067\u99c6\u52d5\u3059\u308b\u9ad8\u6027\u80fd\u306a\u9244\u932f\u4f53\u9178\u7d20\u767a\u751f\u89e6\u5a92\u6750\u6599\u306e\u958b\u767a\uff08C03\u8fd1\u85e4\u3001B01\u6728\u5185\uff09 Iron-complex-based catalytic system for high-performance water oxidation in aqueous media Takumi Matsuzaki, Kento Kosugi, Hikaru Iwami, Tetsuya Kambe, Hisao Kiuchi, Yoshihisa Harada, Daisuke Asakura, Taro Uematsu, Susumu Kuwabata, Yutaka Saga, Mio Kondo & Shigeyuki Masaoka \u672c\u7814\u7a76\u3067\u306f\u3001\u591a\u6838\u9244\u932f\u4f53\u89e6\u5a92\u306b\u5c0e\u96fb\u6027\u5206\u5b50\u9593\u9699\u3092\u5c0e\u5165\u3057\u305f\u300c\u5185\u570f\u578b\u8d85\u30bb\u30e9\u30df\u30c3\u30af\u30b9\u6750\u6599\u300d\u3092\u958b\u767a\u3057\u3001\u6c34\u4e2d\u3067\u306e\u9ad8\u52b9\u7387\u306a\u9178\u7d20\u767a\u751f\u53cd\u5fdc\u3092\u9054\u6210\u3057\u307e\u3057\u305f\u3002\u4e00\u822c\u306b\u3001\u5206\u5b50\u6027\u5747\u4e00\u7cfb\u89e6\u5a92\u3092\u56fa\u4f53\u72b6\u614b\u3067\u6a5f\u80fd\u3055\u305b\u308b\u3053\u3068\u306f\u975e\u5e38\u306b\u56f0\u96e3\u3067\u3042\u308b\u3068\u8003\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5206\u5b50\u6027\u5747\u4e00\u7cfb\u89e6\u5a92\u306b\u3088\u308b\u5c0f\u5206\u5b50\u5909\u63db\u53cd\u5fdc\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3059\u3001\u53cd\u5fdc\u5a92\u4f53\u3092\u4ecb\u3057\u305f\u96fb\u5b50\u79fb\u52d5\u304c\u89e6\u5a92\u306e\u56fa\u4f53\u5316\u306b\u3088\u308a\u6975\u3081\u3066\u9032\u884c\u3057\u306b\u304f\u304f\u306a\u308b\u3053\u3068\u306b\u7531\u6765\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u3053\u3067\u672c\u7814\u7a76\u3067\u306f\u3001\u89e6\u5a92\u6d3b\u6027\u4e2d\u5fc3\u306e\u5468\u308a\u306b\u96fb\u8377\u4f1d\u9054\u30b5\u30a4\u30c8\u3092\u5408\u7406\u7684\u306b\u5c0e\u5165\u3057\u305f\u65b0\u305f\u306a\u89e6\u5a92\u6750\u6599\uff08poly-Fe5-PCz\uff09\u3092\u958b\u767a\u3057\u307e\u3057\u305f\u3002poly-Fe5-PCz\u306f\u3001\u6c34\u306e\u9178\u5316\u306b\u3088\u308b\u9178\u7d20\u767a\u751f\u80fd\u3092\u4fc3\u9032\u53ef\u80fd\u3067\u3042\u308a\u3001\u305d\u306e\u89e6\u5a92\u56de\u8ee2\u6570\u306f\u3001\u3053\u308c\u307e\u3067\u306b\u5831\u544a\u3055\u308c\u305f\u6c34\u6eb6\u6db2\u4e2d\u3067\u5229\u7528\u53ef\u80fd\u306a\u9244\u932f\u4f53\u89e6\u5a92\u3068\u6bd4\u8f03\u3057\u306610\u500d\u8fd1\u304f\u9ad8\u3044\u3053\u3068\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u672c\u6210\u679c\u306f\u3001\u9178\u7d20\u767a\u751f\u89e6\u5a92\u306e\u958b\u767a\u306b\u65b0\u305f\u306a\u6226\u7565\u3092\u63d0\u4f9b\u3059\u308b\u3082\u306e\u3067\u3059\u3002 Nature Communications, 16, 2145 (2025). (DOI: 10.1038\/s41467-025-57169-y)","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/supraceramics.jp\/en\/category\/news\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2238,"url":"https:\/\/supraceramics.jp\/en\/2025\/12\/2238\/","url_meta":{"origin":1939,"position":1},"title":"Symposium in Pacifichem 2025, 12\/17 (Wed)","author":"shorike","date":"2025\u5e7412\u67083\u65e5","format":false,"excerpt":"Pacifichem 2025 ~Inorganic Materials with Multiple Components for Energy and Environmental Applications\uff08ING016\uff09~ 12\/17 (Wed), 2025 Hilton Hawaiian Village Organizers: Ryo Ohtani, Jeongsuk Seo, Lianzhou Wang,\u00a0Kazuhiko Maeda \u00a0 Program: 8:00\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ~Opening Remarks~ 8:05\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Solution Chemistry Engineering for Efficient Kesterite Solar Cells and Modules Xin, Hao (Nanjing University of Posts and Telecommunications)\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/supraceramics.jp\/en\/category\/news\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2232,"url":"https:\/\/supraceramics.jp\/2025\/12\/2232\/","url_meta":{"origin":1939,"position":2},"title":"Symposium in Pacifichem 2025, 12\/17 (Wed)","author":"shorike","date":"2025\u5e7412\u67083\u65e5","format":false,"excerpt":"Pacifichem 2025 ~Inorganic Materials with Multiple Components for Energy and Environmental Applications\uff08ING016\uff09~ 12\/17 (Wed), 2025 Hilton Hawaiian Village Organizers: Ryo Ohtani, Jeongsuk Seo, Lianzhou Wang,\u00a0Kazuhiko Maeda \u00a0 Program: 8:00\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ~Opening Remarks~ 8:05\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Solution Chemistry Engineering for Efficient Kesterite Solar Cells and Modules Xin, Hao (Nanjing University of Posts and Telecommunications)\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/supraceramics.jp\/en\/category\/news\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1845,"url":"https:\/\/supraceramics.jp\/en\/2024\/11\/1845\/","url_meta":{"origin":1939,"position":3},"title":"Publication | Chem Catal. (Okazaki, Maeda et al.) \u201cDiscovery of the threshold potential that triggers photochemical water oxidation with Ru(II) photosensitizers and MOx catalysts\u201d","author":"shorike","date":"2024\u5e7411\u670813\u65e5","format":false,"excerpt":"Discovery of the threshold potential that triggers photochemical water oxidation with Ru(II) photosensitizers and MOx catalysts Megumi Okazaki*, Yasuomi Yamazaki, Daling Lu, Shunsuke Nozawa, Osamu Ishitani, Kazuhiko Maeda* This work focuses on a traditional, well-known photochemical water oxidation system that uses a Ru(II) tris-2,2\u2032-bipyridine photosensitizer and transition-metal oxide catalysts, which\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/supraceramics.jp\/en\/category\/news\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2287,"url":"https:\/\/supraceramics.jp\/en\/2026\/01\/2287\/","url_meta":{"origin":1939,"position":4},"title":"Publication | J. Phys. Chem. Lett. (Okazaki, Maeda, Sugimoto, Katagiri et al.) \u201cIn Situ X-ray Absorption Fine Structure Spectroscopy Measurement of Suspended Cobalt Oxide Nanoparticle Water Oxidation Catalyst\u201d","author":"shorike","date":"2026\u5e741\u670819\u65e5","format":false,"excerpt":"In Situ X-ray Absorption Fine Structure Spectroscopy Measurement of Suspended Cobalt Oxide Nanoparticle Water Oxidation Catalyst Megumi Okazaki,* Zi Lang Goo, Haruka Yamamoto, Kenta Ikegami, Issei Yamamoto, Naoki Tarutani, Fumitaka Takeiri, Takeshi Watanabe, Shunsuke Nozawa, Kiyofumi Katagiri, Kunihisa Sugimoto, Kazuhiko Maeda* Water oxidation using a heterogeneous catalyst under near-neutral pH\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/supraceramics.jp\/en\/category\/news\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2367,"url":"https:\/\/supraceramics.jp\/en\/2026\/05\/2367\/","url_meta":{"origin":1939,"position":5},"title":"Publication | J. Am. Chem. Soc. (Onda, Maeda et al.) \u201cElucidating the Origin of Hidden Limitations in Ru-Complex\/Ag\/Polymeric Carbon Nitride Hybrid Photocatalysts for Visible-Light CO2 Reduction\u201d","author":"shorike","date":"2026\u5e745\u67081\u65e5","format":false,"excerpt":"Elucidating the Origin of Hidden Limitations in Ru-Complex\/Ag\/Polymeric Carbon Nitride Hybrid Photocatalysts for Visible-Light CO2 Reduction Ryuichi Nakada, Rikuya Nagao, Jo Onodera, Xian Zhang, Masahito Oura, Megumi Okazaki, Toshiya Tanaka, Riku Koda, Minato Tanaka, Ken Onda, Kazuhiko Maeda* Artificial photosynthesis that converts CO2 into value-added chemicals under mild conditions remains\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/supraceramics.jp\/en\/category\/news\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/supraceramics.jp\/wp-json\/wp\/v2\/posts\/1939","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/supraceramics.jp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/supraceramics.jp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/supraceramics.jp\/wp-json\/wp\/v2\/users\/222414606"}],"replies":[{"embeddable":true,"href":"https:\/\/supraceramics.jp\/wp-json\/wp\/v2\/comments?post=1939"}],"version-history":[{"count":1,"href":"https:\/\/supraceramics.jp\/wp-json\/wp\/v2\/posts\/1939\/revisions"}],"predecessor-version":[{"id":1940,"href":"https:\/\/supraceramics.jp\/wp-json\/wp\/v2\/posts\/1939\/revisions\/1940"}],"wp:attachment":[{"href":"https:\/\/supraceramics.jp\/wp-json\/wp\/v2\/media?parent=1939"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/supraceramics.jp\/wp-json\/wp\/v2\/categories?post=1939"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/supraceramics.jp\/wp-json\/wp\/v2\/tags?post=1939"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}