{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T17:53:21Z","timestamp":1785434001280,"version":"3.56.0"},"reference-count":50,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T00:00:00Z","timestamp":1779148800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100007129","name":"Shandong Province Natural Science Foundation","doi-asserted-by":"publisher","award":["ZR2024MB155"],"award-info":[{"award-number":["ZR2024MB155"]}],"id":[{"id":"10.13039\/501100007129","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Key R&D Program of Shandong Province of Innovation Enhancement Project for Science and Technology-Based Small and Medium-sized Enterprises","award":["2024TSGC0121"],"award-info":[{"award-number":["2024TSGC0121"]}]},{"name":"Science, Education and Industry Integration Innovation Pilot Project from Qilu University of Technology","award":["2024ZDZX13"],"award-info":[{"award-number":["2024ZDZX13"]}]},{"award":["2024ZDZX13"],"award-info":[{"award-number":["2024ZDZX13"]}],"id":[{"id":"https:\/\/ror.org\/04hyzq608","id-type":"ROR","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nanomaterials"],"abstract":"<jats:p>Photocatalytic H2O2 production coupled with selective organic oxidation provides a promising strategy for simultaneously generating value-added oxidants and chemicals under mild conditions. Herein, Ni-modified defect-engineered NH2-UiO-66 photocatalysts (Ni\/UN) are constructed by introducing Ni species into a vacuum-treated NH2-UiO-66 framework (UN). Compared with the original NH2-UiO-66 and the defect-treated UN, Ni\/UN exhibits weakened photoluminescence emission, enhanced transient photocurrent response, and reduced electrochemical impedance, indicating that the separation and transfer of photogenerated charge carriers have been improved. The band structure analysis further reveals that Ni\/UN has a narrow band gap of approximately 2.52 electron volts and a slightly more negative conduction band position (\u22120.50 V), which is conducive to the photoinduced reduction reaction. The importance of O2 in the photocatalytic process was demonstrated by changing the atmospheric conditions. Therefore, in the benzylalcohol system, under the oxygen atmosphere, Ni\/UN achieved the highest H2O2 production rate of 3257 \u03bcmol g\u22121 h\u22121, accompanied by the continuous generation of benzaldehyde, with its content reaching 3420 \u03bcmol g\u22121 after 60 min of irradiation. The scavenger experiment further indicates that photogenerated electrons and the active substances derived from oxygen are closely involved in the formation of H2O2, while the \u00b7OH-related processes only play a limited contribution role. This study demonstrates an effective strategy for enhancing the performance of metal\u2013organic framework (MOF)-based photocatalysts through defect engineering and metal coordination regulation, thereby achieving efficient photochemical production of hydrogen peroxide and the selective oxidation of benzyl alcohol.<\/jats:p>","DOI":"10.3390\/nano16100626","type":"journal-article","created":{"date-parts":[[2026,5,20]],"date-time":"2026-05-20T16:39:34Z","timestamp":1779295174000},"page":"626","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Ni-Modified Defect-Engineered NH2-UiO-66 for Efficient H2O2 Photosynthesis Coupled with Benzyl Alcohol Oxidation"],"prefix":"10.3390","volume":"16","author":[{"given":"Yuan","family":"Chang","sequence":"first","affiliation":[{"name":"School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3106-6622","authenticated-orcid":false,"given":"Zhenzi","family":"Li","sequence":"additional","affiliation":[{"name":"School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xuepeng","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuhua","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China"},{"name":"Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2160-5135","authenticated-orcid":false,"given":"Bo","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lijun","family":"Liao","sequence":"additional","affiliation":[{"name":"School of Chemical and Blasting Engineering, Anhui University of Science and Technology, Huainan 232001, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2818-0408","authenticated-orcid":false,"given":"Wei","family":"Zhou","sequence":"additional","affiliation":[{"name":"School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,5,19]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2415126","DOI":"10.1002\/adma.202415126","article-title":"A Covalent Organic Framework as Photocatalyst for Smart Conversion Between Photooxidation and Photoreduction and H2O2 Production in Full pH Environment","volume":"37","author":"Li","year":"2025","journal-title":"Adv. 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