{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T22:19:42Z","timestamp":1791584382147,"version":"4.3.4"},"reference-count":62,"publisher":"Wiley","issue":"17","license":[{"start":{"date-parts":[[2023,12,6]],"date-time":"2023-12-06T00:00:00Z","timestamp":1701820800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Materials"],"published-print":{"date-parts":[[2024,4]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Metalloporphyrins and metallophthalocyanines emerge as popular building blocks to develop covalent organic nanosheets (CONs) for CO\n                    <jats:sub>2<\/jats:sub>\n                    reduction reaction (CO\n                    <jats:sub>2<\/jats:sub>\n                    RR). However, existing CONs predominantly yield CO, posing a challenge in achieving efficient methanol production through multielectron reduction. Here, ultrathin, cationic, and cobalt\u2010phthalocyanine\u2010based CONs (iminium\u2010CONs) are reported for electrochemical CO\n                    <jats:sub>2<\/jats:sub>\n                    \u2010to\u2010CH\n                    <jats:sub>3<\/jats:sub>\n                    OH conversion. The integration of quaternary iminium groups enables the formation of ultrathin morphology with uniformly anchored cobalt active sites, which are pivotal for facilitating rapid multielectron transfer. Moreover, the cationic iminium\u2010CONs exhibit a lower activity for hydrogen evolution side reaction. Consequently, iminium\u2010CONs manifest significantly enhanced selectivity for methanol production, as evidenced by a remarkable 711% and 270% improvement in methanol partial current density (\n                    <jats:italic>j<\/jats:italic>\n                    <jats:sub>CH3OH<\/jats:sub>\n                    ) compared to pristine CoTAPc and neutral imine\u2010CONs, respectively. Under optimized conditions, iminium\u2010CONs deliver a high\n                    <jats:italic>j<\/jats:italic>\n                    <jats:sub>CH3OH<\/jats:sub>\n                    of 91.7 mA cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    at \u22120.78 V in a flow cell. Further, iminium\u2010CONs achieve a global methanol Faradaic efficiency (FE\n                    <jats:sub>CH3OH<\/jats:sub>\n                    ) of 54% in a tandem device. Thanks to the single\u2010site feature, the methanol is produced without the concurrent generation of other liquid byproducts. This work underscores the potential of cationic covalent organic nanosheets as a compelling platform for electrochemical six\u2010electron reduction of CO\n                    <jats:sub>2<\/jats:sub>\n                    to methanol.\n                  <\/jats:p>","DOI":"10.1002\/adma.202310037","type":"journal-article","created":{"date-parts":[[2023,11,6]],"date-time":"2023-11-06T20:29:05Z","timestamp":1699302545000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":65,"title":["Ultrathin, Cationic Covalent Organic Nanosheets for Enhanced CO\n                    <sub>2<\/sub>\n                    Electroreduction to Methanol"],"prefix":"10.1002","volume":"36","author":[{"given":"Yun","family":"Song","sequence":"first","affiliation":[{"name":"Department of Chemistry and State Key Laboratory of Marine Pollution City University of Hong Kong  Hong Kong 999077 China"},{"name":"City University of Hong Kong Shenzhen Research Institute  Shenzhen 518057 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peng","family":"Guo","sequence":"additional","affiliation":[{"name":"Key Laboratory of Synthetic and Self\u2010Assembly Chemistry for Organic Functional Molecules Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences  345 Lingling Road Shanghai 200032 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tinghao","family":"Ma","sequence":"additional","affiliation":[{"name":"School of Chemistry and Chemical Engineering Northwestern Polytechnical University  Xi'an 710072 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jianjun","family":"Su","sequence":"additional","affiliation":[{"name":"Department of Chemistry and State Key Laboratory of Marine Pollution City University of Hong Kong  Hong Kong 999077 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Libei","family":"Huang","sequence":"additional","affiliation":[{"name":"Department of Chemistry and State Key Laboratory of Marine Pollution City University of Hong Kong  Hong Kong 999077 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weihua","family":"Guo","sequence":"additional","affiliation":[{"name":"Department of Chemistry and State Key Laboratory of Marine Pollution City University of Hong Kong  Hong Kong 999077 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yong","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Chemistry and State Key Laboratory of Marine Pollution City University of Hong Kong  Hong Kong 999077 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Geng","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Chemistry and State Key Laboratory of Marine Pollution City University of Hong Kong  Hong Kong 999077 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yinger","family":"Xin","sequence":"additional","affiliation":[{"name":"Department of Chemistry and State Key Laboratory of Marine Pollution City University of Hong Kong  Hong Kong 999077 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qiang","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Chemistry and State Key Laboratory of Marine Pollution City University of Hong Kong  Hong Kong 999077 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Siwei","family":"Zhang","sequence":"additional","affiliation":[{"name":"Shenzhen Institute of Molecular Aggregate Science and Engineering School of Science and Engineering The Chinese University of Hong Kong Longgang District  Shenzhen 518172 China"},{"name":"Department of Chemistry and the Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction The Hong Kong University of Science and Technology  Hong Kong 999077 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hanchen","family":"Shen","sequence":"additional","affiliation":[{"name":"Shenzhen Institute of Molecular Aggregate Science and Engineering School of Science and Engineering The Chinese University of Hong Kong Longgang District  Shenzhen 518172 China"},{"name":"Department of Chemistry and the Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction The Hong Kong University of Science and Technology  Hong Kong 999077 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xing","family":"Feng","sequence":"additional","affiliation":[{"name":"Guangdong Provincial Key Laboratory of Information Photonics Technology School of Material and Energy Guangdong University of Technology  Guangzhou 510006 P. 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Zhong","family":"Tang","sequence":"additional","affiliation":[{"name":"Shenzhen Institute of Molecular Aggregate Science and Engineering School of Science and Engineering The Chinese University of Hong Kong Longgang District  Shenzhen 518172 China"},{"name":"Department of Chemistry and the Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction The Hong Kong University of Science and Technology  Hong Kong 999077 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2543-9090","authenticated-orcid":false,"given":"Ruquan","family":"Ye","sequence":"additional","affiliation":[{"name":"Department of Chemistry and State Key Laboratory of Marine Pollution City University of Hong Kong  Hong Kong 999077 China"},{"name":"City University of Hong Kong Shenzhen Research Institute  Shenzhen 518057 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