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Here, 13 uncommon tricolored mechanofluorochromic luminogens were obtained through efficient molecular engineering strategies synergistically integrating substituent variation and positional isomeric approaches, three of which exhibited exceedingly scarce force\u2010induced hypsochromic and bathochromic bidirectional fluorescence responses. More specifically, employing dibenzofulvene as the core scaffold, a family of 20 fluorene\u2010based fluorogenic compounds was elaborately constructed by incorporating pyrene, tetraphenylethene, and three isomeric carbazole moieties at the conjugated extension sites, with phenyl and regioisomeric trifluoromethylphenyl groups respectively attached to the two flanking positions. Next, a three\u2010step high\u2010efficiency screening protocol was devised for these luminogens: first assessing mechanoresponsive fluorescence behaviors, then evaluating the three\u2010color mechanofluorochromic capabilities, and finally determining whether the selected force\u2010responsive tricolored fluorescence switches could realize bidirectional three\u2010color fluorescence switching after sequential grinding from gentle to vigorous. Ultimately, 3 luminogens featuring ultra\u2010rare bidirectional three\u2011color mechanofluorochromism were identified. Impressively, based on the screened force\u2010triggered bidirectional high\u2010contrast tricolor fluorescent switch\n                    <jats:bold>\n                      TPE\u2010\n                      <jats:italic>o<\/jats:italic>\n                      \u2010CF\n                      <jats:sub>3<\/jats:sub>\n                    <\/jats:bold>\n                    , two advanced dual\u2011layer information storage systems were established, which could effectively safeguard the security of the stored information.\n                  <\/jats:p>","DOI":"10.1002\/advs.78253","type":"journal-article","created":{"date-parts":[[2026,10,12]],"date-time":"2026-10-12T04:02:07Z","timestamp":1791777727000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Architecting Anisotropic Force\u2010Responsive Bidirectional High\u2010Contrast Three\u2010Color Fluorescence Switches via Effective Molecular Modulation for High\u2010Security Information Storage"],"prefix":"10.1002","author":[{"given":"Yijie","family":"Zou","sequence":"first","affiliation":[{"name":"Jiangxi Provincial Key Laboratory of Organic Functional Molecules Institute of Organic Chemistry Jiangxi Science and Technology Normal University  Nanchang People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2256-4830","authenticated-orcid":false,"given":"Zhao","family":"Chen","sequence":"additional","affiliation":[{"name":"Jiangxi Provincial Key Laboratory of Organic Functional Molecules Institute of Organic Chemistry Jiangxi Science and Technology Normal University  Nanchang People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuang","family":"Li","sequence":"additional","affiliation":[{"name":"Jiangxi Provincial Key Laboratory of Organic Functional Molecules Institute of Organic Chemistry Jiangxi Science and Technology Normal 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