{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,18]],"date-time":"2026-07-18T02:13:18Z","timestamp":1784340798457,"version":"3.55.0"},"reference-count":45,"publisher":"Wiley","issue":"26","license":[{"start":{"date-parts":[[2025,4,3]],"date-time":"2025-04-03T00:00:00Z","timestamp":1743638400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100000266","name":"Engineering and Physical Sciences Research Council","doi-asserted-by":"publisher","award":["EP\/S012788\/1"],"award-info":[{"award-number":["EP\/S012788\/1"]}],"id":[{"id":"10.13039\/501100000266","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Chemistry A European J"],"published-print":{"date-parts":[[2025,5,8]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    New macrocycli\n                    <jats:bold>c molecules are<\/jats:bold>\n                    described that incorporate Pt(\n                    <jats:italic>NCN<\/jats:italic>\n                    ) units on opposite edges of a rectangular structure, with xanthene units constituting the other two sides. Here,\n                    <jats:italic>NCN<\/jats:italic>\n                    represents a cyclometallating tridentate ligand based on 2,6\u2010di(2\u2010pyridyl)benzene or its pyrimidine analog. The complexes display strong photoluminescence peaking in the near\u2010infrared region of the spectrum in solution (\n                    <jats:italic>\u03bb<\/jats:italic>\n                    <jats:sub>max<\/jats:sub>\n                    up to 761\u00a0nm). Photophysical data and DFT calculations indicate that the emission arises from \u201cintramolecular excimers\u201d\u2014triplet excited states that form when the two Pt(\n                    <jats:italic>NCN<\/jats:italic>\n                    ) units within the molecule are brought into close proximity to interact interfacially. In doped polymers, the necessary molecular distortion is inhibited, but related excited states that emit in a similar region can still form through intermolecular interactions.\n                  <\/jats:p>","DOI":"10.1002\/chem.202500834","type":"journal-article","created":{"date-parts":[[2025,3,31]],"date-time":"2025-03-31T08:14:51Z","timestamp":1743408891000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Molecular Rectangles Featuring Two Parallel\n                    <i>NCN<\/i>\n                    \u2010Coordinated Platinum Units: Enhancing Near\u2010Infrared Emission Through Excimer Formation"],"prefix":"10.1002","volume":"31","author":[{"given":"Rebecca J.","family":"Salthouse","sequence":"first","affiliation":[{"name":"Department of Chemistry Durham University  South Road Durham DH1 3LE UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amit","family":"Sil","sequence":"additional","affiliation":[{"name":"Department of Chemistry Durham University  South Road Durham DH1 3LE UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Piotr","family":"Pander","sequence":"additional","affiliation":[{"name":"Department of Chemistry Durham University  South Road Durham DH1 3LE UK"},{"name":"Faculty of Chemistry Silesian University of Technology  Strzody 9 Gliwice 44\u2010100 Poland"},{"name":"Centre for Organic and Nanohybrid Electronics Silesian University of Technology  Konarskiego 22B Gliwice 44\u2010100 Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fernando B.","family":"Dias","sequence":"additional","affiliation":[{"name":"Department of Physics Durham University  Durham DH1 3LE UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4688-3000","authenticated-orcid":false,"given":"J. 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