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Lett."],"published-print":{"date-parts":[[2026,7,1]]},"abstract":"<jats:p>\n                    By taking advantage of the unique structure of Ba\n                    <jats:sub>3<\/jats:sub>\n                    W\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>9<\/jats:sub>\n                    , a positioning restriction is applied to precisely control doped Mn to form isolated Mn\n                    <jats:sup>4+<\/jats:sup>\n                    ions or Mn\n                    <jats:sup>4+<\/jats:sup>\n                    \u2212Mn\n                    <jats:sup>4+<\/jats:sup>\n                    ion pairs, thereby achieving the dual emission centers. The optimized phosphor (Ba\n                    <jats:sub>3<\/jats:sub>\n                    W\n                    <jats:sub>1.97<\/jats:sub>\n                    O\n                    <jats:sub>9<\/jats:sub>\n                    :0.03Mn\n                    <jats:sup>4+<\/jats:sup>\n                    ) boasts excellent performances of a broadband near-infrared emission with the full width at half maximum of 170\u2009nm, internal quantum efficiency of 74%, and external quantum efficiency of 43%. The emission peaks with wavelengths greater than 800\u2009nm were verified to originate from the luminescence of Mn\n                    <jats:sup>4+<\/jats:sup>\n                    \u2212Mn\n                    <jats:sup>4+<\/jats:sup>\n                    ion pairs through electron paramagnetic resonance, concentration gradient, and lifetime decay.\n                  <\/jats:p>","DOI":"10.1364\/ol.604808","type":"journal-article","created":{"date-parts":[[2026,6,18]],"date-time":"2026-06-18T12:00:10Z","timestamp":1781784010000},"page":"3769","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Abnormally efficient broadband near-infrared luminescence from Ba\n                    <sub>3<\/sub>\n                    W\n                    <sub>2<\/sub>\n                    O\n                    <sub>9<\/sub>\n                    :Mn\n                    <sup>4+<\/sup>\n                    achieved through a unique lattice structure"],"prefix":"10.1364","volume":"51","author":[{"given":"Tianzheng","family":"Ouyang","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04azbjn80","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuting","family":"Chen","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04azbjn80","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chenyang","family":"Huang","sequence":"additional","affiliation":[{"name":"Guangdong University of Technology"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hongli","family":"Wen","sequence":"additional","affiliation":[{"name":"Guangdong University of Technology"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhongfei","family":"Mu","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04azbjn80","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7867-0237","authenticated-orcid":true,"given":"Hai","family":"Guo","sequence":"additional","affiliation":[{"name":"Zhejiang Normal University"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2026,6,30]]},"reference":[{"key":"ol-51-13-3769-R1","doi-asserted-by":"publisher","first-page":"432","DOI":"10.1021\/acsaelm.1c01078","type":"journal-article","volume":"4","author":"Wang","year":"2022","journal-title":"ACS Appl. 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