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However, integrating high luminescence dissymmetry factor (\n                    <jats:italic>g<\/jats:italic>\n                    <jats:sub>lum<\/jats:sub>\n                    ) with high\u2010contrast reversible switching within a single system remains a significant challenge. In this study, we present a supramolecular CPL nanoplatform that combines hierarchical chirality amplification with light\u2010gated cascaded F\u00f6rster resonance energy transfer (FRET). Selective host\u2013guest recognition between a TPE\u2010functionalized chiral pillar[5]arene (\n                    <jats:bold>TPEP5<\/jats:bold>\n                    ) and a polymeric guest forms emissive supramolecular polymers with amplified chirality. Confined co\u2010assembly with the achiral relay dye 4,7\u2010di(2\u2010thienyl)\u2010benzo[2,1,3]thiadiazole (DBT) enables efficient FRET from\n                    <jats:bold>TPEP5<\/jats:bold>\n                    to DBT, accompanied by concomitant chirality transfer, generating red\u2010shifted CPL with enhanced |\n                    <jats:italic>g<\/jats:italic>\n                    <jats:sub>lum<\/jats:sub>\n                    | values of 10\n                    <jats:sup>\u2212<\/jats:sup>\n                    <jats:sup>2<\/jats:sup>\n                    . Eventually, diarylethene (DAE) is incorporated as a final photoresponsive \u201cgatekeeper\u201d: UV irradiation induces DAE ring closure, activating FRET pathway and quenching CPL; subsequent visible\u2010light irradiation reverses the process, fully restoring emission and CPL activity. This orthogonal design preserves the structural integrity of the chiral scaffold over repeated switching cycles, achieving robust, fatigue\u2010resistant, and architecture\u2010preserving CPL on\/off control. Therefore, our strategy provides a generalizable blueprint for intelligent chiral photonic materials with built\u2010in security functionality.\n                  <\/jats:p>","DOI":"10.1002\/anie.1803367","type":"journal-article","created":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T11:01:33Z","timestamp":1788346893000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Cascaded Energy Transfer in Supramolecular Assemblies Enables Amplified and Photoswitchable Circularly Polarized Luminescence"],"prefix":"10.1002","volume":"65","author":[{"given":"Yanshan","family":"Sheng","sequence":"first","affiliation":[{"name":"College of Materials Science and Technology Nanjing University of Aeronautics and Astronautics  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xin","family":"Wang","sequence":"additional","affiliation":[{"name":"College of Materials Science and Technology Nanjing University of Aeronautics and Astronautics  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Minzan","family":"Zuo","sequence":"additional","affiliation":[{"name":"Department of Pharmaceutical Sciences University of Macau  Taipa Macau China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9634-315X","authenticated-orcid":false,"given":"Xiao\u2010Yu","family":"Hu","sequence":"additional","affiliation":[{"name":"College of Materials Science and Technology Nanjing University of Aeronautics and Astronautics  Nanjing China"},{"name":"College of Chemistry and Materials Jiangxi Normal University  Nanchang China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,9,2]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.bioconjchem.1c00527"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cclet.2025.111024"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1021\/cr500671p"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1126\/sciadv.adi9944"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsami.4c14127"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41467\u2010022\u201028220\u2010z"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202417223"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1002\/smll.202502819"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202313749"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cclet.2022.108077"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1039\/d1py00082a"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1002\/advs.202202636"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.2c01214"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1002\/adfm.202410012"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cclet.2026.113001"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.3c13191"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202011740"},{"key":"e_1_2_8_19_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.3c09461"},{"key":"e_1_2_8_20_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.accounts.0c00112"},{"key":"e_1_2_8_21_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsnano.9b08618"},{"key":"e_1_2_8_22_1","doi-asserted-by":"publisher","DOI":"10.1002\/smll.201601455"},{"key":"e_1_2_8_23_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202104418"},{"key":"e_1_2_8_24_1","doi-asserted-by":"publisher","DOI":"10.1002\/agt2.141"},{"key":"e_1_2_8_25_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202421108"},{"key":"e_1_2_8_26_1","doi-asserted-by":"publisher","DOI":"10.1039\/d3cc04187e"},{"key":"e_1_2_8_27_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsami.2c05678"},{"key":"e_1_2_8_28_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11426\u2010025\u20102906\u20104"},{"key":"e_1_2_8_29_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202203541"},{"key":"e_1_2_8_30_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.6197615"},{"key":"e_1_2_8_31_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201900110"},{"key":"e_1_2_8_32_1","doi-asserted-by":"publisher","DOI":"10.1039\/d5cs01270h"},{"key":"e_1_2_8_33_1","doi-asserted-by":"publisher","DOI":"10.1039\/d2sc04168e"},{"key":"e_1_2_8_34_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202010050"},{"key":"e_1_2_8_35_1","doi-asserted-by":"publisher","DOI":"10.1021\/ol200062j"},{"key":"e_1_2_8_36_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.orglett.0c00468"},{"key":"e_1_2_8_37_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201401356"},{"key":"e_1_2_8_38_1","doi-asserted-by":"publisher","DOI":"10.1039\/c5sc01946j"},{"key":"e_1_2_8_39_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202001145"},{"key":"e_1_2_8_40_1","doi-asserted-by":"publisher","DOI":"10.1002\/advs.202305149"},{"key":"e_1_2_8_41_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cclet.2025.111026"},{"key":"e_1_2_8_42_1","doi-asserted-by":"publisher","DOI":"10.1002\/agt2.70179"},{"key":"e_1_2_8_43_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsami.6c06980"},{"key":"e_1_2_8_44_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cclet.2023.108831"},{"key":"e_1_2_8_45_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202315749"},{"key":"e_1_2_8_46_1","doi-asserted-by":"publisher","DOI":"10.1039\/d1mh01207j"},{"key":"e_1_2_8_47_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202503074"},{"key":"e_1_2_8_48_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.6c01804"},{"key":"e_1_2_8_49_1","doi-asserted-by":"publisher","DOI":"10.1002\/advs.75410"},{"key":"e_1_2_8_50_1","doi-asserted-by":"publisher","DOI":"10.1039\/d2tc05349g"},{"key":"e_1_2_8_51_1","doi-asserted-by":"publisher","DOI":"10.1002\/adom.202201684"},{"key":"e_1_2_8_52_1","doi-asserted-by":"publisher","DOI":"10.1039\/d2gc02120j"},{"key":"e_1_2_8_53_1","doi-asserted-by":"publisher","DOI":"10.1039\/c8cc02777c"},{"key":"e_1_2_8_54_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202000820"},{"key":"e_1_2_8_55_1","doi-asserted-by":"publisher","DOI":"10.1039\/d0qm00507j"},{"key":"e_1_2_8_56_1","doi-asserted-by":"publisher","DOI":"10.1039\/c4tc02800g"},{"key":"e_1_2_8_57_1","doi-asserted-by":"publisher","DOI":"10.1007\/s40843\u2010023\u20102662\u2010y"},{"key":"e_1_2_8_58_1","doi-asserted-by":"publisher","DOI":"10.1002\/adom.202301844"},{"k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