{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T11:35:44Z","timestamp":1793100944173,"version":"4.5.0"},"reference-count":43,"publisher":"Wiley","issue":"60","license":[{"start":{"date-parts":[[2026,8,22]],"date-time":"2026-08-22T00:00:00Z","timestamp":1787356800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,8,22]],"date-time":"2026-08-22T00:00:00Z","timestamp":1787356800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["22475143"],"award-info":[{"award-number":["22475143"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100012246","name":"Priority Academic Program Development of Jiangsu Higher Education Institutions","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100012246","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100012462","name":"Collaborative Innovation Center of Suzhou Nano Science and Technology","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100012462","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"published-print":{"date-parts":[[2026,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    The electrochemical carbon dioxide reduction reaction (CO\n                    <jats:sub>2<\/jats:sub>\n                    RR) offers a sustainable route to convert CO\n                    <jats:sub>2<\/jats:sub>\n                    into valuable chemicals, with formic acid being one of the most economically attractive products. Bismuth (Bi)\u2010based materials have shown promise as CO\n                    <jats:sub>2<\/jats:sub>\n                    RR electrocatalysts, yet their practical application is hindered by structural instability, competing side reactions, and the lack of a systematic understanding of phase\u2010dependent catalytic behavior. Herein, we report the synthesis of \u03b2\u2010Bi\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    , \u03b4\u2010Bi\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    , and \u03b1\u2010Bi\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    with uniform 2D nanosheet morphologies, enabling a direct and fair comparison of their CO\n                    <jats:sub>2<\/jats:sub>\n                    RR performance. Notably, the \u03b2\u2010Bi\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    nanosheets (NSs), which have not been previously reported, deliver a formate faradaic efficiency of 99.0% at \u22120.8\u00a0V versus the reversible hydrogen electrode in 1.0\u00a0\n                    <jats:sc>m<\/jats:sc>\n                    KOH, along with a formate production rate of 3321\u00a0\u00b5mol cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    h\n                    <jats:sup>\u22121<\/jats:sup>\n                    , surpassing most reported Bi\u2010based catalysts. Through comprehensive structural characterization and combined experimental and theoretical investigations covering CO\n                    <jats:sub>2<\/jats:sub>\n                    \u2010to\u2010formate reduction, formate decomposition, and the hydrogen evolution reaction, we establish a clear phase\u2010activity relationship. This work not only demonstrates the performance of \u03b2\u2010Bi\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    NSs but also provides new insights into the rational design of phase\u2010engineered Bi\u2010based electrocatalysts for CO\n                    <jats:sub>2<\/jats:sub>\n                    RR.\n                  <\/jats:p>","DOI":"10.1002\/smll.75410","type":"journal-article","created":{"date-parts":[[2026,8,22]],"date-time":"2026-08-22T09:48:55Z","timestamp":1787392135000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Phase\u2010Controlled Bi\n                    <sub>2<\/sub>\n                    O\n                    <sub>3<\/sub>\n                    Nanosheets for Highly Efficient Electrochemical CO\n                    <sub>2<\/sub>\n                    Reduction to Formate"],"prefix":"10.1002","volume":"22","author":[{"given":"Shuangxing","family":"Li","sequence":"first","affiliation":[{"name":"College of Chemistry Chemical Engineering and Materials Science Soochow University  Suzhou Jiangsu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Da","family":"Liu","sequence":"additional","affiliation":[{"name":"College of Chemistry Chemical Engineering and Materials Science Soochow University  Suzhou Jiangsu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chendi","family":"Zhao","sequence":"additional","affiliation":[{"name":"College of Chemistry Chemical Engineering and Materials Science Soochow University  Suzhou Jiangsu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jialin","family":"Miao","sequence":"additional","affiliation":[{"name":"College of Chemistry Chemical Engineering and Materials Science Soochow University  Suzhou Jiangsu 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Jiangsu Key Laboratory for Carbon\u2010Based Functional Materials &amp; Devices Soochow University  Suzhou Jiangsu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3219-4316","authenticated-orcid":false,"given":"Xiaoqing","family":"Huang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM) Xiamen University  Xiamen China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9858-0458","authenticated-orcid":false,"given":"Qi","family":"Shao","sequence":"additional","affiliation":[{"name":"College of Chemistry Chemical Engineering and Materials Science Soochow University  Suzhou Jiangsu 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