{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T13:58:16Z","timestamp":1791899896912,"version":"4.3.4"},"reference-count":69,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T00:00:00Z","timestamp":1777507200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T00:00:00Z","timestamp":1777507200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Materials"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Tin halide perovskites represent an emerging alternative to lead halide perovskites, offering comparably advantageous electronic structures, lower toxicity, and bandgaps that extend into the near\u2010infrared region. However, the synthesis of tin halide perovskite quantum dots (QDs) remains challenging due to the tendency toward lower\u2010dimensional phase formation, limited control over QD size and composition, and high sensitivity to intrinsic defects. Here, we introduce a room\u2010temperature synthesis protocol employing cesium oleate and tin halide adducts with trioctylphosphine oxide in the absence of oleylamine. This non\u2010templating route effectively suppresses 2D impurities and yields monodisperse CsSnI\n                    <jats:sub>3<\/jats:sub>\n                    QDs, finely tunable between 4 and 22\u00a0nm, providing access to size\u2010dependent optical bandgap energies across the strong\u2010to\u2010weak confinement regimes. Increasing the availability of Sn(II) through an additional tin carboxylate source reduces defect densities and leads to the emergence of pronounced and spectrally well\u2010resolved excitonic absorption in strongly confined QDs. Variation of the tin halide and A\u2010cation yields formamidinium, methylammonium, and cesium tin bromide and iodide, all with narrow size distributions. This synthetic route sets the stage for further defect engineering to yield bright tin halide perovskite emitters.\n                  <\/jats:p>","DOI":"10.1002\/adma.202523678","type":"journal-article","created":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T12:47:48Z","timestamp":1777553268000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Phase\u2010Pure and Size\u2010Tunable Tin Halide Perovskite Quantum Dots"],"prefix":"10.1002","author":[{"given":"Ole F.","family":"Dressler","sequence":"first","affiliation":[{"name":"Institute of Inorganic Chemistry Department of Chemistry and Applied Biosciences ETH Z\u00fcrich  Z\u00fcrich Switzerland"},{"name":"Empa\u2212Swiss Federal Laboratories for Materials Science and Technology  D\u00fcbendorf Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Benjamin","family":"Aymoz","sequence":"additional","affiliation":[{"name":"Institute of Inorganic Chemistry Department of Chemistry and Applied Biosciences ETH Z\u00fcrich  Z\u00fcrich Switzerland"},{"name":"Empa\u2212Swiss Federal Laboratories for Materials Science and Technology  D\u00fcbendorf Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sebastian","family":"Sabisch","sequence":"additional","affiliation":[{"name":"Institute of Inorganic Chemistry Department of Chemistry and Applied Biosciences ETH Z\u00fcrich  Z\u00fcrich Switzerland"},{"name":"Empa\u2212Swiss Federal Laboratories for Materials Science and Technology  D\u00fcbendorf Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefanie","family":"Frick","sequence":"additional","affiliation":[{"name":"Empa\u2212Swiss Federal Laboratories for Materials Science and Technology  D\u00fcbendorf Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sebastian","family":"Siol","sequence":"additional","affiliation":[{"name":"Empa\u2212Swiss Federal Laboratories for Materials Science and Technology  D\u00fcbendorf Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dmitry N.","family":"Dirin","sequence":"additional","affiliation":[{"name":"Institute of Inorganic Chemistry Department of Chemistry and Applied Biosciences ETH Z\u00fcrich  Z\u00fcrich Switzerland"},{"name":"Empa\u2212Swiss Federal Laboratories for Materials Science and Technology  D\u00fcbendorf Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Simon C.","family":"Boehme","sequence":"additional","affiliation":[{"name":"Institute of Inorganic Chemistry Department of Chemistry and Applied Biosciences ETH Z\u00fcrich  Z\u00fcrich Switzerland"},{"name":"Empa\u2212Swiss Federal Laboratories for Materials Science and Technology  D\u00fcbendorf Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6396-8938","authenticated-orcid":false,"given":"Maksym 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