{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T06:48:53Z","timestamp":1791614933583,"version":"4.3.4"},"reference-count":34,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T00:00:00Z","timestamp":1791504000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T00:00:00Z","timestamp":1791504000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Angew Chem Int Ed"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Ferroelectric nematic (N\n                    <jats:sub>F<\/jats:sub>\n                    ) liquid crystals are polar fluids that combine long\u2010range orientational order with spontaneous macroscopic polarization and exceptionally large dielectric permittivity. While these properties make N\n                    <jats:sub>F<\/jats:sub>\n                    materials attractive for responsive soft devices, incorporating additional functionality remains challenging because polar order is highly sensitive to molecular mismatch. Here we introduce a molecular design strategy that enables optical control of N\n                    <jats:sub>F<\/jats:sub>\n                    materials using azobenzene\u2010based mesogens structurally matched to the archetypal N\n                    <jats:sub>F<\/jats:sub>\n                    compound DIO. Two derivatives are themselves ferroelectric nematogens, demonstrating that photoisomerizable mesogens can intrinsically sustain and modulate N\n                    <jats:sub>F<\/jats:sub>\n                    polar order, with large and reversible light\u2010induced changes in polarization and dielectric permittivity. The same structural matching principle also enables non\u2010N\n                    <jats:sub>F<\/jats:sub>\n                    azobenzenes to co\u2010assemble with DIO at concentrations up to 20\u00a0wt.% while preserving ferroelectric nematic order. In selected blends, light irradiation drives a reversible transition from the ferroelectric nematic state to a low\u2010permittivity state consistent with antiferroelectric smectic order. Together, light and temperature provide complementary handles to navigate this phase landscape of competing ferroelectric and antiferroelectric order. These results provide a molecular design strategy for programming collective polar order in ferroelectric nematic fluids using light\u2010responsive mesogens.\n                  <\/jats:p>","DOI":"10.1002\/anie.4556976","type":"journal-article","created":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T06:06:40Z","timestamp":1791612400000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Light\u2010Driven Control of Polar Order in Ferroelectric Nematic Liquid Crystals"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5509-4302","authenticated-orcid":false,"given":"Anjali Devi","family":"Das","sequence":"first","affiliation":[{"name":"Institute for Complex Molecular Systems Laboratory of Macromolecular and Organic Chemistry Eindhoven University of Technology  Eindhoven the Netherlands"},{"name":"Institute for Complex Molecular Systems Laboratory of Human Interactive Materials Eindhoven University of Technology  Eindhoven the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiuhu","family":"Zhao","sequence":"additional","affiliation":[{"name":"Institute for Complex Molecular Systems Laboratory of Macromolecular and Organic Chemistry Eindhoven University of Technology  Eindhoven the Netherlands"},{"name":"Institute for Complex Molecular Systems Laboratory of Human Interactive Materials Eindhoven University of Technology  Eindhoven the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-4544-2862","authenticated-orcid":false,"given":"Dibyojeet","family":"Bagchi","sequence":"additional","affiliation":[{"name":"Institute for Complex Molecular Systems Laboratory of Macromolecular and Organic Chemistry Eindhoven University of Technology  Eindhoven the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kennice","family":"Brennan","sequence":"additional","affiliation":[{"name":"Institute for Complex Molecular Systems Laboratory of Macromolecular and Organic Chemistry Eindhoven University of Technology  Eindhoven the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8830-0443","authenticated-orcid":false,"given":"Danqing","family":"Liu","sequence":"additional","affiliation":[{"name":"Institute for Complex Molecular Systems Laboratory of Human Interactive Materials Eindhoven University of Technology  Eindhoven the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2036-8892","authenticated-orcid":false,"given":"Ghislaine","family":"Vantomme","sequence":"additional","affiliation":[{"name":"Institute for Complex Molecular Systems Laboratory of Macromolecular and Organic Chemistry Eindhoven University 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