{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,22]],"date-time":"2026-04-22T03:09:42Z","timestamp":1776827382067,"version":"3.51.2"},"reference-count":73,"publisher":"Wiley","issue":"35","license":[{"start":{"date-parts":[[2025,5,3]],"date-time":"2025-05-03T00:00:00Z","timestamp":1746230400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"published-print":{"date-parts":[[2025,9]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Polydiacetylenes (PDAs) play a pivotal role in sensing and recognition owing to their stimuli\u2010responsive optoelectronic properties. Inducing chirality in polydiacetylenes provides an additional handle for generating tunable chiroptical behavior in materials toward chiral optoelectronics and photonics. A photopolymerizable diacetylene (DA) tethered with chiral (\n                    <jats:italic>R<\/jats:italic>\n                    \/\n                    <jats:italic>S<\/jats:italic>\n                    ) phenylalanine and an azobenzene photoswitch\u00a0 (\n                    <jats:bold>\n                      1\n                      <jats:italic>\n                        <jats:sub>R\/S<\/jats:sub>\n                      <\/jats:italic>\n                      <jats:sub>\u2010DA<\/jats:sub>\n                    <\/jats:bold>\n                    ) is designed, with a suitable control molecule\n                    <jats:bold>\n                      2\n                      <jats:sub>DA<\/jats:sub>\n                    <\/jats:bold>\n                    devoid of the chiral motif. The designed molecules self\u2010assemble in aqueous and organic solvent systems. The chiral PDAs show better packing efficiency in monolayers and record higher photoisomerization percentages as compared to the achiral analog. Further, higher photoisomerization percentages are observed in the organic solvent system. In both chiral (\n                    <jats:bold>\n                      1\n                      <jats:italic>\n                        <jats:sub>S\u2010<\/jats:sub>\n                      <\/jats:italic>\n                      <jats:sub>PDA<\/jats:sub>\n                    <\/jats:bold>\n                    ) and achiral (\n                    <jats:bold>\n                      2\n                      <jats:sub>PDA<\/jats:sub>\n                    <\/jats:bold>\n                    ) polymers,\n                    <jats:italic>E<\/jats:italic>\n                    \u2010Z photoisomerization leads to the weakening of the self\u2010assembly. Microscopic and X\u2010ray scattering investigation suggest excellent birefringence in\n                    <jats:bold>\n                      <jats:italic>E\u2010<\/jats:italic>\n                      1\u00b0\n                      <jats:italic>\n                        <jats:sub>S\u2010<\/jats:sub>\n                      <\/jats:italic>\n                      <jats:sub>PDA<\/jats:sub>\n                    <\/jats:bold>\n                    owing to better molecular ordering in comparison to\n                    <jats:bold>\n                      <jats:italic>Z\u2010<\/jats:italic>\n                      1\u00b0\n                      <jats:italic>\n                        <jats:sub>S\u2010<\/jats:sub>\n                      <\/jats:italic>\n                      <jats:sub>PDA<\/jats:sub>\n                    <\/jats:bold>\n                    and\n                    <jats:bold>\n                      <jats:italic>E\u2010<\/jats:italic>\n                      1\n                      <jats:sup>a<\/jats:sup>\n                      <jats:italic>\n                        <jats:sub>S\u2010<\/jats:sub>\n                      <\/jats:italic>\n                      <jats:sub>PDA<\/jats:sub>\n                    <\/jats:bold>\n                    . Better molecular ordering of the conjugated polymer in organic solvent (\n                    <jats:bold>\n                      <jats:italic>E<\/jats:italic>\n                      \u20101\u00b0\n                      <jats:italic>\n                        <jats:sub>S\u2010<\/jats:sub>\n                      <\/jats:italic>\n                      <jats:sub>PDA<\/jats:sub>\n                    <\/jats:bold>\n                    ) renders a higher charge storage propensity as compared to the aqueous solvent. Finally, photo\u2010controlled\n                    <jats:italic>E\u2010Z<\/jats:italic>\n                    isomerization in the azobenzene motifs embedded\u00a0within polymer domains exhibits modulation in conductivity with\n                    <jats:bold>\n                      <jats:italic>E<\/jats:italic>\n                      \u20101\u00b0\n                      <jats:italic>\n                        <jats:sub>S\u2010<\/jats:sub>\n                      <\/jats:italic>\n                      <jats:sub>PDA<\/jats:sub>\n                    <\/jats:bold>\n                    having \u22483\u2010fold superior conductivity than\n                    <jats:bold>\n                      <jats:italic>Z<\/jats:italic>\n                      \u20101\u00b0\n                      <jats:italic>\n                        <jats:sub>S\u2010<\/jats:sub>\n                      <\/jats:italic>\n                      <jats:sub>PDA<\/jats:sub>\n                    <\/jats:bold>\n                    in solution\u2010processed thin films.\n                  <\/jats:p>","DOI":"10.1002\/smll.202504051","type":"journal-article","created":{"date-parts":[[2025,5,3]],"date-time":"2025-05-03T09:38:35Z","timestamp":1746265115000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Control Over Topochemical Photopolymerization and Photoisomerization in Azobenzene Tethered Chiral Diacetylenes Toward Tunable Molecular Packing and Conductivity"],"prefix":"10.1002","volume":"21","author":[{"given":"Antarlina","family":"Maulik","sequence":"first","affiliation":[{"name":"Chemical Biology Unit Institute of Nano Science and Technology (INST)  Knowledge City, Sector 81 Mohali Punjab 140306 India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vysakh C.","family":"Chandran","sequence":"additional","affiliation":[{"name":"Chemical Biology Unit Institute of Nano Science and Technology (INST)  Knowledge City, Sector 81 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