{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T16:47:16Z","timestamp":1792082836044,"version":"4.4.0"},"reference-count":39,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2026,1,12]],"date-time":"2026-01-12T00:00:00Z","timestamp":1768176000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,1,12]],"date-time":"2026-01-12T00:00:00Z","timestamp":1768176000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["62574105"],"award-info":[{"award-number":["62574105"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100012449","name":"Southern University of Science and Technology","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100012449","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Materials"],"published-print":{"date-parts":[[2026,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Self\u2010assembled monolayers (SAMs) have emerged as highly promising hole\u2010selective contacts for inverted perovskite solar cells (IPSCs) due to their tunable energy levels and molecular dipoles. However, deriving generalizable rules that explicitly connect halogenation symmetry and linker length to interfacial properties and device performance remains difficult. Herein, we systematically decouple these two variables by synthesizing a series of benzo[c]carbazole\u2010phosphonate\u2010based SAMs with orthogonal variations in bromination pattern, comparing asymmetric monobromination with symmetric dibromination, and in alkyl linker length, comparing short with long. We show that asymmetric monobromination is the dominant factor in enhancing the molecular dipole and optimizing energy\u2010level alignment. It breaks the in\u2010plane molecular symmetry, generating a substantial lateral dipole that drives optimized antiparallel packing. Furthermore, a short alkyl linker plays a critical role in improving interfacial quality and charge transport kinetics by fostering denser molecular packing, stronger substrate anchoring, and reduced interfacial resistance. When combined, these two design strategies produce a powerful synergistic effect. Consequently, IPSCs incorporating the optimized asymmetric, short\u2010linker SAM (\n                    <jats:bold>1Br2PADCB<\/jats:bold>\n                    ) achieve a champion power conversion efficiency (PCE) of 26.24% with a high fill factor (FF) of 86.36%, and retain over 80% of their initial efficiency after 800\u00a0h of continuous maximum power point tracking. This work establishes a concise and broadly applicable design rule: asymmetric halogenation with short linkers, providing a clear blueprint for engineering high\u2010performance buried interfaces in perovskite photovoltaics and beyond.\n                  <\/jats:p>","DOI":"10.1002\/adma.202521338","type":"journal-article","created":{"date-parts":[[2026,1,12]],"date-time":"2026-01-12T14:55:54Z","timestamp":1768229754000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Synergistic Engineering of Molecular Asymmetry and Short Linkers Enables High\u2010Performance Hole\u2010Selective Contacts in Perovskite Solar Cells"],"prefix":"10.1002","volume":"38","author":[{"given":"Qiming","family":"Yin","sequence":"first","affiliation":[{"name":"Department of Materials Science and Engineering Southern University of Science and Technology Shenzhen China"},{"name":"SUSTech Energy Institute For Carbon Neutrality Southern 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