{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T16:48:34Z","timestamp":1791650914056,"version":"4.3.4"},"reference-count":48,"publisher":"Wiley","issue":"42","license":[{"start":{"date-parts":[[2026,8,25]],"date-time":"2026-08-25T00:00:00Z","timestamp":1787616000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,8,25]],"date-time":"2026-08-25T00:00:00Z","timestamp":1787616000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Angew Chem Int Ed"],"published-print":{"date-parts":[[2026,10,12]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Catalytic oxidation mediated by lattice oxygen and molecular oxygen pathways represents an appealing route toward sustainable chemistry, yet achieving selective reaction outcomes by controlling reactive oxygen species (ROS) through catalyst structural design remains a fundamental challenge. In such systems, ROS can originate from both lattice oxygen and molecular oxygen, and their relative contributions determine ROS identity and reaction selectivity. Herein, NiMn\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>4<\/jats:sub>\n                    spinel oxides with tunable crystallinity are employed to elucidate how structural ordering regulates lattice oxygen reactivity and ROS evolution. Using sulfamerazine oxidation as a model organic oxidation reaction, the catalytic activity exhibits a volcano\u2010type dependence on crystallinity. An intermediate\u2010crystallinity regime, featuring coexisting crystalline and amorphous domains, facilitates balanced involvement of lattice\u2010 and molecular\u2010oxygen pathways. This structural configuration favors ROS evolution toward superoxide (\u2022O\n                    <jats:sub>2<\/jats:sub>\n                    <jats:sup>\u2212<\/jats:sup>\n                    ) generation while suppressing hydroxyl radicals (\u2022OH). Conversely, excessive disorder disrupts charge transport, whereas high crystallinity imposes kinetic constraints on the participation of lattice oxygen. Combined in situ spectroscopy, atmosphere\u2010switching experiments, and density functional theory (DFT) reveal that crystallinity governs metal\u2013oxygen interactions, oxygen vacancy formation, and lattice oxygen dynamics. These findings establish crystallinity as a pivotal parameter for regulating lattice\u2010 and molecular\u2010oxygen pathways and for designing spinel catalysts with controlled ROS selectivity.\n                  <\/jats:p>","DOI":"10.1002\/anie.6752244","type":"journal-article","created":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T04:50:41Z","timestamp":1787719841000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Crystallinity\u2010Regulated Interplay Between Lattice Oxygen and Molecular Oxygen Enables Selective Superoxide Generation in Spinel Catalysts"],"prefix":"10.1002","volume":"65","author":[{"given":"Haopeng","family":"Luo","sequence":"first","affiliation":[{"name":"Key Laboratory of Jiangsu Province For Chemical Pollution Control and Resources Reuse School of Environmental and Biological Engineering Nanjing University of Science and Technology  Nanjing 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Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fang","family":"Jiang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Jiangsu Province For Chemical Pollution Control and Resources Reuse School of Environmental and Biological Engineering Nanjing University of Science and Technology  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8928-0296","authenticated-orcid":false,"given":"Huan","family":"Chen","sequence":"additional","affiliation":[{"name":"Key Laboratory of Jiangsu Province For Chemical Pollution Control and Resources Reuse School of Environmental and Biological Engineering Nanjing University of Science and Technology  Nanjing 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