{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,22]],"date-time":"2026-10-22T15:38:45Z","timestamp":1792683525096,"version":"4.5.0"},"reference-count":75,"publisher":"Wiley","issue":"18","license":[{"start":{"date-parts":[[2026,1,22]],"date-time":"2026-01-22T00:00:00Z","timestamp":1769040000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,1,22]],"date-time":"2026-01-22T00:00:00Z","timestamp":1769040000000},"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":["62471198"],"award-info":[{"award-number":["62471198"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["62020106006"],"award-info":[{"award-number":["62020106006"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Science"],"published-print":{"date-parts":[[2026,3]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Enhancing the catalytic oxidation activity of metal oxides has become a prominent focus for improving gas sensing performance. However, the optimisation of the catalytic activity of metal oxides via lattice oxygen activation for enhanced gas sensing has been rarely reported. Herein, we developed a Pt single\u2010atom\u2010loaded CuO catalyst for enhanced acetone sensing, achieving a response value of 4.9 (20\u00a0ppm acetone), outperforming most reported CuO\u2010based acetone sensors. The superior acetone sensing performance is attributed to the catalytic oxidation of acetone by CuO via the Mars\u2013van Krevelen (MvK) mechanism, differing from the conventional surface\u2010adsorbed oxygen mechanism. During the sensing process, acetone molecules are oxidised into intermediates (\n                    <jats:sup>*<\/jats:sup>\n                    COOCH\n                    <jats:sub>3<\/jats:sub>\n                    and\n                    <jats:sup>*<\/jats:sup>\n                    HCOO), and subsequently to CO\n                    <jats:sub>2<\/jats:sub>\n                    and H\n                    <jats:sub>2<\/jats:sub>\n                    O, wherein the lattice oxygens in CuO serve as catalytic sites, which are regenerated by O\n                    <jats:sub>2<\/jats:sub>\n                    in the background gases. Interestingly, the loading of Pt single atoms, accompanied by strong metal\u2012support interaction, activates the surface lattice oxygen on CuO, resulting in a decreased formation energy for oxygen vacancies, increased adsorption energy for O\n                    <jats:sub>2<\/jats:sub>\n                    , and subsequently, enhanced participation of lattice oxygen in the sensing process and improved acetone sensing performance. Our research contributes to advancements in the design of sensing materials and the understanding of gas\u2010sensing mechanisms.\n                  <\/jats:p>","DOI":"10.1002\/advs.202521790","type":"journal-article","created":{"date-parts":[[2026,1,23]],"date-time":"2026-01-23T05:22:19Z","timestamp":1769145739000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Pt Single\u2010Atom Activates Surface Lattice Oxygen for Enhanced Acetone Detection Mediated by the MvK Mechanism"],"prefix":"10.1002","volume":"13","author":[{"given":"Liang","family":"Zhao","sequence":"first","affiliation":[{"name":"State Key Laboratory of Integrated Optoelectronics JLU region College of Electronic Science and Engineering Jilin University  Changchun P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hongda","family":"Zhang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Integrated Optoelectronics JLU region College of Electronic Science and Engineering Jilin University  Changchun P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yunpeng","family":"Xing","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Integrated Optoelectronics JLU region College of Electronic Science and Engineering Jilin University  Changchun P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chengchao","family":"Yu","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Integrated Optoelectronics JLU region College of Electronic Science and Engineering Jilin University  Changchun P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sihao","family":"Zhi","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Integrated Optoelectronics JLU region College of Electronic Science and Engineering Jilin University  Changchun P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Teng","family":"Fei","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Integrated Optoelectronics JLU region College of Electronic Science and Engineering Jilin University  Changchun P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sen","family":"Liu","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Integrated Optoelectronics JLU region College of Electronic Science and Engineering Jilin University  Changchun P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haiyan","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Materials Science and Engineering Jilin University  Changchun P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2690-859X","authenticated-orcid":false,"given":"Tong","family":"Zhang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Integrated Optoelectronics JLU region College of Electronic Science and Engineering Jilin University  Changchun P. R. 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