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Herein, we report the successfully synthesis of novel ladder\u2010type BN\u2010PAHs (\n                    <jats:bold>BCNL1<\/jats:bold>\n                    and\n                    <jats:bold>BCNL2<\/jats:bold>\n                    ) featuring a highly ordered BC\n                    <jats:sub>3<\/jats:sub>\n                    N\n                    <jats:sub>2<\/jats:sub>\n                    acene unit, achieved via a nitrogen\u2010directed tandem C\u2212H borylation. Single\u2010crystal X\u2010ray diffraction analysis unambiguously revealed their unique and compact herringbone packing structures. Micro\u2010sized single\u2010crystalline organic field\u2010effect transistors (OFETs) demonstrated that an enhanced charge transport capability, with\n                    <jats:bold>BCNL2<\/jats:bold>\n                    achieving a hole mobility of up to 0.62\u2005cm\n                    <jats:sup>2<\/jats:sup>\n                    \u2009V\n                    <jats:sup>\u22121<\/jats:sup>\n                    \u2009s\n                    <jats:sup>\u22121<\/jats:sup>\n                    \u2013three orders of magnitude higher than that of\n                    <jats:bold>BCNL1<\/jats:bold>\n                    (\n                    <jats:italic>\u03bc<\/jats:italic>\n                    <jats:sub>h<\/jats:sub>\n                    <jats:sup>max<\/jats:sup>\n                    =6 \u00d7 10\n                    <jats:sup>\u22124<\/jats:sup>\n                    \u2005cm\n                    <jats:sup>2<\/jats:sup>\n                    \u2009V\n                    <jats:sup>\u22121<\/jats:sup>\n                    \u2009s\n                    <jats:sup>\u22121<\/jats:sup>\n                    ), ranking among the highest values for BN\u2010PAHs\u2010based OFETs. Detailed calculations attribute this significant enhancement in the hole mobility to the marked reduction in reorganization energy (\n                    <jats:italic>\u03bb<\/jats:italic>\n                    ) of\n                    <jats:bold>BCNL2<\/jats:bold>\n                    , resulting from the five\u2010membered pyrrole ring annulation and molecular skeleton elongation. This work provides insight into molecular design principles for potential BN\u2010PAHs in optoelectronic applications.\n                  <\/jats:p>","DOI":"10.1002\/anie.202423002","type":"journal-article","created":{"date-parts":[[2024,12,27]],"date-time":"2024-12-27T02:55:56Z","timestamp":1735268156000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["BN\u2010Acene Ladder with Enhanced Charge Transport for Organic Field\u2010Effect Transistors"],"prefix":"10.1002","volume":"64","author":[{"given":"Chenglong","family":"Li","sequence":"first","affiliation":[{"name":"Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion School of Chemistry and Chemical Engineering Tianjin University of Technology  Tianjin 300384 P. R. 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