{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,14]],"date-time":"2026-09-14T08:06:16Z","timestamp":1789373176074,"version":"build-2803163510"},"reference-count":50,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,9,14]],"date-time":"2026-09-14T00:00:00Z","timestamp":1789344000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,9,14]],"date-time":"2026-09-14T00:00:00Z","timestamp":1789344000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100002805","name":"Carl Tryggers Stiftelse f\u00f6r Vetenskaplig Forskning","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100002805","id-type":"DOI","asserted-by":"publisher"}]}],"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                    The creation of carbon allotropes is synthetically highly challenging, but their practical significance to science and technology cannot be underestimated. Here, we report the synthesis of a new carbon allotrope, diamondiyne, which is the second known one (after diamond) that forms covalent bonds in all three dimensions. Diamondiyne has a mixed sp\u2013sp\n                    <jats:sup>3<\/jats:sup>\n                    hybridization, resulting in a carbo\u2010mer of diamond with an expanded diamond\u2010topology network. On the nanoscopic scale, two asymmetrically interpenetrated 3D networks form the tetragonal space group\n                    <jats:italic>I<\/jats:italic>\n                    4\n                    <jats:sub>1<\/jats:sub>\n                    \/\n                    <jats:italic>amd<\/jats:italic>\n                    with unit cell parameters\n                    <jats:italic>a\u00a0=\u00a0b\u00a0=\u00a0<\/jats:italic>\n                    11.47\u00a0\u00c5 and\n                    <jats:italic>c\u00a0=\u00a0<\/jats:italic>\n                    16.22\u00a0\u00c5. Amorphous carbon films containing diamondiyne crystals are formed using a cascade reaction at a liquid\u2013liquid interface. Just as for a covalent organic framework, molecular nodes are connected based on geometrical constraints to form an extended structure, and we show that the method is scalable in both the thickness and the lateral direction of the film. New carbon allotropes have historically found widespread use in materials science, and we look forward to what applications might emerge for diamondiyne.\n                  <\/jats:p>","DOI":"10.1002\/anie.4062963","type":"journal-article","created":{"date-parts":[[2026,9,14]],"date-time":"2026-09-14T07:11:28Z","timestamp":1789369888000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Diamondiyne: A 3D Carbon Allotrope With Mixed sp\u2013sp\n                    <sup>3<\/sup>\n                    Hybridization"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0331-6815","authenticated-orcid":false,"given":"Yizhou","family":"Yang","sequence":"first","affiliation":[{"name":"Department of Chemistry and Molecular Biology University of Gothenburg  Gothenburg Sweden"},{"name":"Department of Chemistry and Chemical Engineering Chalmers University of Technology  Gothenburg 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