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PLIL transforms \u03b1\u2010Bi\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    microrods to \u03b4\u2010Bi\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    nanosheets, while simultaneous anchoring atomically dispersed Cu sites within the \u03b4\u2010Bi\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    lattice. The CO\n                    <jats:sub>2<\/jats:sub>\n                    RR activity of the PLIL\u2010derived \u03b4\u2010Bi\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    nanosheets substantially exceeds that of \u03b1\u2010Bi\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    microrods and is further improved in Cu single\u2010atom\u2010stabilized \u03b4\u2010Bi\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    (Cu SA\/\u03b4\u2010Bi\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    ) nanosheets, which deliver a high Faradaic efficiency (93.55%) with a formate yield rate of 210 \u00b5M\u00b7h\n                    <jats:sup>\u22121<\/jats:sup>\n                    \u00b7cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    at \u22121.0\u00a0V (versus the reversible hydrogen electrode). The key surface intermediates, identified using situ Raman and ex situ Fourier\u2010transform infrared spectroscopy, confirm the stabilization of *OCHO species during formate formation. Theoretical calculations reveal that Cu single\u2010atom incorporation electronically modulates the \u03b4\u2010Bi\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    matrix, optimizing the intermediate adsorption energies and lowering the reaction barrier of the CO\n                    <jats:sub>2<\/jats:sub>\n                    \u2010to\u2010formate pathway. Furthermore, a Zn\u2013CO\n                    <jats:sub>2<\/jats:sub>\n                    battery with a Cu SA\/\u03b4\u2010Bi\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    cathode delivers an output voltage of 1.74\u00a0V and converts CO\n                    <jats:sub>2<\/jats:sub>\n                    to formate while generating electricity for over 300\u00a0h of stable operation. The Zn\u2013CO\n                    <jats:sub>2<\/jats:sub>\n                    battery successfully powers light\u2010emitting diodes and a digital clock, underscoring its potential in real\u2010world energy\u2013carbon coupling applications.\n                  <\/jats:p>","DOI":"10.1002\/smll.76357","type":"journal-article","created":{"date-parts":[[2026,10,18]],"date-time":"2026-10-18T19:43:57Z","timestamp":1792352637000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Pulsed\u2010Laser\u2010Engineered Cu Single Atoms in \u03b4\u2010Bi\n                    <sub>2<\/sub>\n                    O\n                    <sub>3<\/sub>\n                    Nanosheets for Efficient Formate\u2010Producing Zn\u2013CO\n                    <sub>2<\/sub>\n                    Batteries"],"prefix":"10.1002","author":[{"given":"Chae Eun","family":"Park","sequence":"first","affiliation":[{"name":"Department of Chemistry (BK21 FOUR) Research Institute of Advanced Chemistry Gyeongsang National University  Jinju Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9268-171X","authenticated-orcid":false,"given":"Raja Arumugam","family":"Senthil","sequence":"additional","affiliation":[{"name":"Department of Chemistry (BK21 FOUR) Research Institute of Advanced Chemistry Gyeongsang National University  Jinju Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9374-6677","authenticated-orcid":false,"given":"Anuj","family":"Kumar","sequence":"additional","affiliation":[{"name":"Nano\u2010Technology Research Laboratory Department of Chemistry GLA University  Mathura Uttar Pradesh India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gyeong\u2010Ah","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Chemistry (BK21 FOUR) Research Institute of Advanced Chemistry Gyeongsang National University  Jinju Republic of Korea"},{"name":"Core\u2010Facility Center for Photochemistry &amp; Nanomaterials Gyeongsang National University  Jinju Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3135-1535","authenticated-orcid":false,"given":"Jayachandran","family":"Jayakumar","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering National Tsing Hua University  Hsinchu Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3777-2277","authenticated-orcid":false,"given":"Ho\u2010Hsiu","family":"Chou","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering National Tsing Hua University  Hsinchu Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5729-5418","authenticated-orcid":false,"given":"Myong 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