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To avoid interference from daylight or artificial lighting sources, the ML\u2010based sensors can be only used in dark\u2010field scenarios, which becomes the most serious limitation for their development. Herein, we proposed a new strategy that adjusts the ML spectra to the solar\u2010blind ultraviolet (UV) region to address this challenge. By strategically breaking the molecular conjugation and adjusting the packing mode, a series of diphenylphosphine oxide derivatives were successfully designed. To our delight, the shortest ML emission, among all reported organic ML materials, with the maxima at ca. 293\u00a0nm (in solar\u2010blind UV region) was achieved. Photophysical studies, single crystal analysis, and theoretical calculations were performed to investigate the solar\u2010blind UV ML properties. Furthermore, wide\u2010range color\u2010tunable ML emissions spanning from 293 to 741\u00a0nm were achieved. Under various external stimuli such as stretching, folding, and vehicle impact in daylight, obvious ML signals could be directly recorded, and the quantitative relationship between the mechanical stimuli and the ML intensities was also studied. This work suggests a feasible strategy to realize solar\u2010blind UV ML materials and makes bright\u2010field environment ML sensors possible.<\/jats:p>","DOI":"10.1002\/anie.202506461","type":"journal-article","created":{"date-parts":[[2025,5,2]],"date-time":"2025-05-02T08:17:56Z","timestamp":1746173876000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Solar\u2010Blind UV Organic Mechanoluminescent Materials"],"prefix":"10.1002","volume":"64","author":[{"given":"Hailan","family":"Wang","sequence":"first","affiliation":[{"name":"Frontiers Science Center for Flexible Electronics (FSCFE) and Xi'an Institute of Flexible Electronics (IFE) Northwestern Polytechnical University  127 West Youyi Road Xi'an 710072 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuxin","family":"Xiao","sequence":"additional","affiliation":[{"name":"Frontiers Science Center for Flexible Electronics (FSCFE) and Xi'an 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