{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T08:01:17Z","timestamp":1790236877315,"version":"4.1.0"},"reference-count":102,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T00:00:00Z","timestamp":1790208000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T00:00:00Z","timestamp":1790208000000},"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                    Understanding and translating molecular\u2010scale switching of azobenzenes into a macroscopic, functional response in the solid state remains a challenge. Herein, the photochemical and thermal properties of different substituted\n                    <jats:italic>p<\/jats:italic>\n                    \u2010Ohexyl\u2010azobenzenes were systematically investigated to establish structure\u2010property relationships to optimize the performance of azobenzene (AB) based materials for energy storage applications. The influence of various alkyl substituents in different positions on the AB was screened to address the effect of increasing bulkiness on the multidimensional parameters required for efficient energy storage. For example, substituents in the\n                    <jats:italic>meta<\/jats:italic>\n                    \u2010 and\n                    <jats:italic>para<\/jats:italic>\n                    \u2010positions increased the isomerization enthalpy (\u2206\n                    <jats:italic>H<\/jats:italic>\n                    <jats:sub>iso.<\/jats:sub>\n                    ) due to attractive intermolecular interactions; 2,6\u2010F\u2010 and 2,6\u2010Me\u2010substitution induces an increased half\u2010life, however, it also a reduced isomerization enthalpy. Substitution in\n                    <jats:italic>ortho<\/jats:italic>\n                    \u2010 and\n                    <jats:italic>meta<\/jats:italic>\n                    \u2010positions leads to a suppressed crystallization process and ineffective energy release. Interestingly, it was demonstrated that even sterically demanding\n                    <jats:italic>para<\/jats:italic>\n                    \u2010substituents exhibit sharp crystallization behavior. Additionally, photoisomerization efficiency in the condensed state was investigated, which revealed a strong relation with the melting points (\n                    <jats:italic>T<\/jats:italic>\n                    <jats:sub>melt.<\/jats:sub>\n                    ) of the solid (\n                    <jats:italic>E<\/jats:italic>\n                    )\u2010isomers. These systematic findings connecting photochemistry, thermal properties, and phase change parameters will be a solid foundation for the rational development of new AB\u2010based materials also beyond energy storage applications.\n                  <\/jats:p>","DOI":"10.1002\/anie.8543657","type":"journal-article","created":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T07:37:02Z","timestamp":1790235422000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Influence of Substitution on the Interplay of Photochemical Switching and Phase Transitions in Azobenzene\u2010Based Molecular Materials"],"prefix":"10.1002","author":[{"given":"Conrad","family":"Averdunk","sequence":"first","affiliation":[{"name":"Center of Materials Research (LaMa), Institute of Organic Chemistry Justus Liebig University Giessen 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