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Herein, we designed and synthesized a series of benzene\u2010cored nonfullerene acceptors (NFAs) with V\u2010, Y\u2010, and X\u2010shaped configurations\u2014\n                    <jats:bold>B2D\u2010DFIC<\/jats:bold>\n                    ,\n                    <jats:bold>B3D\u2010DFIC<\/jats:bold>\n                    , and\n                    <jats:bold>B4D\u2010DFIC<\/jats:bold>\n                    \u2014via an atom\u2010economical direct C\uf8ffH arylation strategy. These NFAs exhibit complementary absorption and cascaded energy levels with the PM6:Y6 host system, enabling optimized morphology and enhanced exciton dissociation. Notably, the highly symmetric X\u2010shaped\n                    <jats:bold>B4D\u2010DFIC<\/jats:bold>\n                    promotes face\u2010on molecular packing and forms a well\u2010interpenetrated fibrous network, leading to a remarkable increase in power conversion efficiency (PCE) from 15.42% to 16.65%, along with improved charge carrier balance (\n                    <jats:italic>\u03bc<\/jats:italic>\n                    <jats:sub>h<\/jats:sub>\n                    \/\n                    <jats:italic>\u03bc<\/jats:italic>\n                    <jats:sub>e<\/jats:sub>\n                    \u2009=\u20090.92) and reduced recombination. Our work establishes a clear geometry\u2013performance relationship, demonstrating that enhanced molecular symmetry (V\u2009\u2192\u2009Y\n                    <jats:italic>\u2009<\/jats:italic>\n                    \u2192\u2009X) systematically improves device performance through optimized molecular ordering and charge transport pathways.\n                  <\/jats:p>","DOI":"10.1002\/cssc.202502194","type":"journal-article","created":{"date-parts":[[2025,12,4]],"date-time":"2025-12-04T06:20:49Z","timestamp":1764829249000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Geometry Engineering of V\/Y\/X\u2010Shaped Nonfullerene Acceptors for Ternary Organic Photovoltaics"],"prefix":"10.1002","volume":"19","author":[{"given":"Yu\u2010Long","family":"Peng","sequence":"first","affiliation":[{"name":"School of Chemical Engineering Guangdong University of Petrochemical Technology  Maoming Guangdong 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